THR: Implant design & function – design evolution; history perspective; latest innovation; challenges

Telemedicine and wearable sensors – Accuracy, utility and privacy

Computational modeling for Arthroplasty applications: limits of validity

Big Data and Artificial Intelligence – Methodologies for arthroplasty

Commercializing your Research – Spin-off companies; licensing to industry; clinical trials, and when to go public

Objective and subjective measurement of outcomes after arthroplasty

TKR: Implant design & function – Design evolution/history perspective; latest innovations; challenges

TKR: Mechanical vs. Kinematic alignment; balancing, pre-op/post op management

Robotics, Navigation and the Rise of Autonomous Joint Replacement Surgery

Building a successful research team

Evaluating the clinical and cost-effectiveness of new technologies

7:30

Benefits of the direct anterior approach for patient recovery, biomechanics, and tissue sparing
Brent Lanting

7:37

7:42

Simultaneous Direct Anterior Bilateral Total Hip Arthroplasty Is Safe and Cost Effective
Daisuke Inoue; Camilo Restrepo; William Hozack

7:48

The Effect of Anterior Capsule Preservation on the Early Result of Total Hip Arthroplasty in Anterolateral Approach.
Yoshihito Mochizuki; Shigeru Murasawa

7:54

Outcomes With Two Tapered Wedge Femoral Stems in Total Hip Arthroplasty Using an Anterior Approach
Paul Tesoriero; Jonathan Gabor; Jorge Padilla; Ran Schwarzkopf; Roy Davidovitch

8:00

8:06

Low Pelvic Incidence Is a Risk Factor for Intraoperative Complications in Minimally Invasive Anterolateral Approach for Total Hip Arthroplasty
Youngwoo Kim; Aidin Eslam Pour; Jean Yves Lazennec

8:12

Novel Anterolateral MIS-THA Approach AL60
Akihiko Maeda; Masashi Tsuchida; Atsushi Kusaba; Saiji Kondo

8:18

Woodpecker Pneumatic Femoral Broaching in Direct Anterior Approach Hip Arthroplasty, How Safe Is It? an Evaluation of of 649 Cases.
Ikram Nizam; Ashish Batra; Sophia Gogos

8:24

7:30

Characterization of TKA Patient Clinical and Biomechanical Variability by Cluster Analysis
Kathryn Young-Shand; Patrice Roy; Syed S. R. Abidi; Michael Dunbar; Janie Astephen Wilson

7:37

7:42

Relationship of Age, Gender, BMI and Pain on ROM and Activity Following TKA Measured Using a Joint Specific Surface Sensor.
S. David Stulberg; Daniel Hu

7:48

Similar Satisfactory Functional and Radiological Results Between Kinematic Alignment Versus Mechanical Alignment for Total Knee Arthroplasty: A Systematic Review and Meta-Analysis
Zhenyu Luo; Zongke Zhou

7:54

Prolonged Surgical Times Increase the Risk of Complications Following Total Knee Arthroplasty.
Lauren Nowak; Emil Schemitsch

8:00

8:06

Do Men and Women Benefit Equally From Total Knee Arthroplasty?
Yifei Dai; Charlotte Bolch; Jefferson Craig Morrison; Phillip Lewandowski; Richard J Friedman

8:12

The Effect of Greater External Rotation of the Femoral Component as a Result of Gap Ligament Balancing on Patellar Tracking, Flexion Stability and Patient Satisfaction in Total Knee Arthroplasty
Gary Rasmussen

8:18

3D Registration of Patella Button Positioning and Relationships to Patient Reported Outcome
Brad Miles; Rachel Choi; Joshua Twiggs; Stephen McMahon

8:24

7:30

Biomechanics of bicompartmental knee arthroplasty
Richard Van Arkel

7:37

7:42

In Vivo Kinematics of Mobile-Bearing Total Knee Arthroplasty During High-Flexion Activities Under Weight-Bearing and Non-Weight-Bearing Conditions
Tomofumi Kage; Hiroshi Inui; Tetsuya Tomita; Takaharu Yamazaki; Shuji Taketomi; Ryota Yamagami; Kenichi Kono; Kohei Kawaguchi; Kentaro Takagi; Shin Sameshima; Sakae Tanaka

7:48

Kinematic Comparison of Total Knee Arthroplasty Between Condylar Stabilized and Cruciate Retaining During Stair Ascending
Teruya Ishibashi; Tetsuya Tomita; Takaharu Yamazaki; Masashi Tamaki; Hideki Yoshikawa; Kazuomi Sugamoto

7:54

The Effect of Medial Unicompartmental Knee Arthroplasty on Kinematics, Contact Patterns and Lateral Compartment Dynamic Joint Space
Milad Zarei; Brian Hamlin; Kenneth Urish; William Anderst

8:00

8:06

Impact of Tibio-Femoral Size Combinations on Knee Kinematics After TKA
Ingrid Dupraz; Christoph Thorwaechter; Thomas M. Grupp; Matthias Woiczinski; Volkmar Jansson; Peter E. Mueller; Arnd Steinbrueck

8:12

Prediction of Posterior Tibial Slope on TKA Kinematics via Implementation of a Forward Solution Model
Bradley Meccia; Milad Khasian; Michael LaCour; Garett Dessinger; Richard Komistek

8:18

A Framework for Kinematic Evaluation of Knee Arthroplasty
Azhar Ali; Ronald Connors-Ehlert; Fares Haddad; Kirby Hitt; Ormonde Mahoney; Xiangyi (Cheryl) Liu

8:24

8:39

Intriguing Relationship Between Sagittal Alignment of the Femoral Component and Persistent Flexion Contracture After TKA
Yoshinori Okamoto; Shuhei Otsuki; Hitoshi Wakama; Tomohiro Okayoshi; Masashi Neo

8:46

Posterior Tibial Slope Decreased Knee Extension Angle With One-Leg Standing After Unicompartmental Knee Arthroplasty
Yoshihito Suda; Hirotsugu Muratsu; Yoshiaki Hiranaka; Takuya Tamaoka; Takashi Oshima; Takaaki Koga; Tomoyuki Matsumoto; Akihiro Maruo; Hidetoshi Miya; Ryosuke Kuroda

8:53

In-Vivo Determination of Knee Kinematics for Subjects Implanted With a Posterior Stabilized TKA Designed for Gender and Ethnicity
Garett Dessinger; Jean-Noel Argenson; Paul Bizzozero; Michael LaCour; Richard Komistek

9:00

Modern Universal Femur Design Results in Significant Improvement in Knee Society Scores
Daniel Mangiapani; Evan Carlson; Jordan Schaeffer; Aaron Hofmann

9:07

Mid-Term and Long-Term Clinical Efficacy Analysis of Restoring Rotation Center in Revision Hip Arthroplasty
Heng Zhang

9:14

Influence of Alignment Specific Physiological Loading Following Intra-Operative Lipid/Marrow Infiltration and Intra-Operative Motions Upon Tibial Implant Fixation
Chase Maag; Eric Peckenpaugh; Amber Metcalfe; Jason Langhorn; Mark Heldreth

9:21

Contact Kinematics of Gap Balancing vs. Measured Resection Surgical Techniques for an Anatomically Designed Total Knee Replacement
Jordan Broberg; James Howard; Brent Lanting; Edward Vasarhelyi; Xunhua Yuan; Douglas Naudie; Matthew Teeter

8:35

Time Efficiency of a Smart Tool for Hip Navigation
William Murphy; Patrick Lane; Daniel Ward; Stephen Murphy

8:41

Real-Time Fluoroscopic Navigation Improves Acetabular Component Positioning During Direct Anterior Approach Total Hip Arthroplasty
Christina Herrero; Jessica Lavery; Afshin Anoushiravani; Roy Davidovitch

8:47

The Comparison of the Acetabular Cup Position Between Robotic-Assisted Hip Arthroplasty and CT-Based Navigation System in Total Hip Arthroplasty for the Patients With Osteoarthritis Secondary to Devel
Wataru Ando; Masaki Takao; Hidetoshi Hamada; Nobuhiko Sugano

8:53

Assessment of Surgeon Biometrics During Manual and Robotic Assisted Total Hip Arthroplasty
Kevin Abbruzzese; Zackary Byrd; Ryan Smith; Alexandra Valentino; Laura Yanoso-Scholl; Melvyn Augustus Harrington; Brian Parsley

8:59

Evaluation of Intraoperative C-Arm Fluoroscopy Utilization Following the Adoption of Imageless Computer-Assisted Navigation in Direct Anterior Total Hip Arthroplasty
Jessica R. Benson; Barry Cayen; Sebastian Rodriguez-Elizalde

9:05

Using an Active Robotic System for THA – a Benefit or Only a Costintensive Technology?
Martin Boerner

8:35

Safe Zone Plotting on the Trial Femoral Head for Intraoperative Evaluation of Combined Implant Alignment
Kazutaka So

8:41

Comparison of Two Specialized Surgical Tables in Total Hip Arthroplasty Using an Anterior Approach
Jonathan Gabor; Paul Tesoriero; Jorge Padilla; Ran Schwarzkopf; Roy Davidovitch

8:47

Does Joint Capsule Preservation Affect Postoperative Lower Limb Alignment Related to Postoperative Dislocation After Total Hip Arthroplasty With ALS Approach?
Shigeru Murasawa; Yoshihito Mochizuki

8:53

Three Year Follow Up of a Noninvasive Wound Closure Device Used on Extensile Wounds in High Tension Areas
Dyana Picache; Shaan Sadhwani; Nina Shah; Asit K. Shah

8:59

Middle-Term Clinical Results and Radiographic Changes of THA Cemented Sockets Using HA Granules: Modified-IBBC
Jiro Tamura; Yoshiyuki Asada; Masato Oota

9:05

Hierarchy of Soft Tissue Releases for Adequate Femoral Exposure During Anterior Total Hip Arthroplasty: Surgical Technique and Review of Literature
Morad Chughtai; Linsen T. Samuel; Atul Kamath

9:11

Over-Impaction of Acetabular Cups Can Reduce Fixation Strength in Poor Quality Bone: Surgical Technique Is Critical
Ruben Doyle; Richard van Arkel; Jonathan Jeffers

8:35

Utilization of Computed Tomography Comparing Mechanical Alignment to Anatomic Alignment
Martin Roche; Rushabh Vakharia; Tsun Yee Law; Patrick Leung

8:41

Hip-Knee-Ankle (Hka) Angle Modification During Gait in Healthy Subjects
Julien Clement; William Blakeney; Francois Desmeules; Nicola Hagemeister; Pascal-Andre Vendittoli

8:47

The Influence of Medial Osteophyte Removal on Correction of Varus Deformity in Total Knee Arthroplasty
Norishige Iizawa; Yasushi Oshima; Tatsunori Kataoka; Tokifumi Majima; Shinro Takai

8:53

Variation of Global Posture With Total Knee Arthroplasty
Yasushi Oshima; Nobuyoshi Watanabe; Toru Takeoka; Norishige Iizawa; Tokifumi Majima; Shinro Takai

8:59

Outcome of Combined Unicompartmental Knee Arthroplasty and Anterior Cruciate Ligament Reconstruction Compared to Total Knee Arthroplasty in Patients Under Age 55
Geoffrey F Dervin; Pascale Thibaudeau

9:05

Advanced Osteoarthritis Knee and Foot Deformities and Impact of Total Knee Arthroplasty on Its Correction: A Prospective Blinded Study
Aditya Aggarwal; Dudekula Sharif; Mahesh Prakash; U Saini

8:35

Allograft Reconstruction of the Quadriceps Tendon for Chronic Periprosthetic Rupture
Jean-Yves Jenny; Cyril Guillotin; Cyril Boeri

8:41

Evaluation of Infrapatellar Fat Pad Resection or Preservation During Total Knee Arthroplasty: A Systematic Review
Alexander J. Acuna; Linsen T. Samuel; Benjamin Yao; Mhamad Faour; Assem A. Sultan; Atul Kamath; Michael Mont

8:47

The Effect of Chip Bone Graft Usage in Non-Contained Type Bone Defect in Primary or Revision TKA
Keun Churl Chun; Hoi young Kwon; Kwang Mee Kim; Churl Hong Chun

8:53

Comparison of Using Trabecular Metal Cones and Femoral Head Allografts for Large Bone Defect in Revision TKA
Keun Churl Chun; Hoi young Kwon; Kwang Mee Kim; Churl Hong Chun

8:59

Primary Repair for Injury of Medial Collateral Ligament During Total Knee Arthroplasty
Cheng Jin

9:05

Femoral Lateral Trochlear Overstuffing Increases Postoperative Impairment Straightening the Knee Following TKA
Joshua Twiggs; Rachel Choi; Brad Miles; Stephen McMahon

8:35

Describing Femoral Morphology for Preoperative Surgical Planning and Patient Specific Modeling
Michael LaCour; Jarrod Nachtrab; Manh Ta; Richard Komistek

8:41

Using Statistical Shape Models to Define a Set of Femur Geometries That Well Represent the Population
Ingrid Dupraz; Arthur Bollinger; Michael Utz; Marnic Jacobs; Julien Deckx

8:47

Automatic THA Implant Selection for Preoperative Surgical Planning
Jarrod Nachtrab; Manh Ta; Michael LaCour; Richard Komistek

8:53

The Influence of 3D Preoperative Planning on Glenoid Implant Selection and Placement: A Survey of 172 Shoulder Specialists
Alexander Greene; Ira Parsons; Richard Jones; Ari Youderian; Ian Byram; Rick Papandrea; Emilie Cheung; Thomas Wright; Joseph Zuckerman; Pierre Henri Flurin

8:59

Can Preoperative Factors Be Used to Determine Optimal Implant Design for Total Knee Arthroplasty
Christopher Melnic; Philip Aurigemma; Maureen Dwyer; E.L Domingo-Johnson; Hany Bedair

8:35

Invasive Sensing Automatic Intelligent Prosthesis Installation Device
Kambiz Behzadi

8:41

A Unique Disposable Guide to Perform Proximal Tibial and Distal Femoral Cut in Tkr Navigated Knee
Fabio Conteduca; Andrea Ferretti; Ferdinando Iannotti; Piergiorgio Drogo

8:47

Surgeon Controlled Factors Eliminating Trunnionosis
Kambiz Behzadi

8:53

Hybrid Reciprocating and Ultrasonic Saw
Kambiz Behzadi

8:59

An Instrument Which Can Locate the Acetabulum Center：Anatomy Study of Cadaver Acetabulum Using Acetabulum Center Locator
Heng Zhang

9:05

Porous Metal Prosthesis as a Drug Delivery Tool
Jake Mooney; Derek Amanatullah

8:35

Wear Resistance of Titanium Niobium Nitride Coated Total Knee Arthroplasty Under Abrasive Conditions
Anish Shivaram; Ethan Baker; Gary Hines; Satya Nambu

8:41

Wear and Adhesion Might Not Be a Problem in Titanium Niobium Nitride Coated Total Knee Arthroplasty? a Long Term in Vitro Study
Anish Shivaram; Ethan Baker; Gary Hines; Satya Nambu

8:47

Influence of Implant Size on the Wear Performance of a Total Ankle Arthroplasty
James Hopwood; Anthony Redmond; Graham Chapman; Laura Richards; Simon Collins; Claire Brockett

8:53

Comparison of Supine Versus Standing RSA Exams for in Vivo Wear Measurement of Total Knee Replacements
Trevor Gascoyne; Sara Parashin; Matthew Teeter; Eric Bohm; Elise Laende; Michael Dunbar; Thomas Turgeon

8:59

No Detectable Polyethylene Wear 15 Year After Implantation of a Mobile Bearing Total Knee Arthroplasty With Electron Beam Irradiated Polyethylene
Jean-Yves Jenny; Dominique Saragaglia

8:35

Trends in Length of Stay and 30-Day Complications After Total Knee Arthroplasty: An Analysis From 2006 to 2016
Nana Sarpong; Venkat Boddapati; Carl Herndon; Josephine Coury; Matthew Grosso; Alexander Neuwirth; Roshan Shah; John Cooper; Jeffrey Geller

8:41

A Unique Cardiac Screening Program to Reduce Readmissions in Risk Bundled Total Hip and Knee Replacement Patients
Kenneth Gustke; Eric Harrison; Susan Heinrichs

8:47

Morbidity but Not Mortality Increase With Surgery Delayed Greater Than 24 Hours in Patients With a Periprosthetic Fracture of the Hip
Venkat Boddapati; Nana Sarpong; Matthew Grosso; Josephine Coury; Jeffrey Geller; Roshan Shah; John Cooper

8:53

Does Femoral Component Cementation Affect Costs or Clinical Outcomes After Hip Arthroplasty in Medicare Patients?
Jason Oh; William Yang; Tara Moore; Kristina Dushaj; H John Cooper; Matthew S Hepinstall

8:59

The Implication of Preoperative Outcome Expectation on Postoperative Clinical Outcome of Total Hip Arthroplasty
Amir Pourmoghaddam; Marius Dettmer; Stefan Kreuzer; Stefany Malanka; Hayden Pastorini

9:05

Low Ejection Fraction as a Novel Cardiac Risk Factor for Elderly Patients Undergone Total Hip Arthroplasty
Zehua Liu; Bojian Liang

10:05

Robotic-Arm Assisted Total Knee Arthroplasty in Knees With Varus Deformity
Fabio Catani; Andrea Ensini; Francesco Zambianchi; Andrea Illuminati; Nikita Matveitchouk

10:12

10:17

How Safe and Reliable Is Robotic Total Knee Arthroplasty With a Semi-Active Haptic Guided Technique?
Kenneth Gustke

10:23

Learning Curve and Time Commitment Assessment in the Adoption of NAVIO Robotic-Assisted Total Knee Arthroplasty
Bertrand Kaper

10:29

How Does Robotic Technology Influence TKA Implant Placement for Surgeons in Fellowship Training?
Laura Yanoso-Scholl; Emily Hampp; Kevin deSouza; Ta-Cheng Chang; Geoffrey H Westrich; Michael Mont

10:35

10:41

How Close Is Intraoperative Alignment Following Robotic-Arm Assisted Total Knee Arthroplasty to Long Leg X-Rays?
Martin Roche; Rushabh Vakharia; Tsun Yee Law; Patrick Leung; Karim Sabeh

10:47

Conventional Jig-Based Total Knee Arthroplasty Versus Robotic Total Knee Arthroplasty: Accuracy of Achieving the Planned Implant Positioning, Limb Alignment, Posterior Condylar Offset Ratio, Joint Lin
Babar Kayani; Fahima Begum; Syed S Ahmed; Sujith Konan; Sumon Huq; Jenni Tahmassebi; Fares Haddad

10:53

Robotic Assisted Total Knee Arthroplasty Demonstrates Greater Component Placement Accuracy Compared to Manual Instrumentation: Initial Results of a Prospective Multi-Center Evaluation
Michael Mont; Tracy Kinsey; Jingwei Zhang; Manoshi Bhowmik-Stoker; Antonia Chen; Fabio Orozco; William Hozack; Ormonde Mahoney

10:59

10:05

The Impact of Prosthetic Joint Infections on the Quality of Life of Arthroplasty Patients.
Philip Noble

10:12

10:17

Diagnosis of Peri-Prosthetic Infection: What Do the New Msis Definition Criteria Bring?
Jean-Yves Jenny

10:23

Analysis of Microbiology, Antibiotic Susceptibility and Antibiotic Treatment in Prosthetic Hip and Knee Infection
Zhi Chen

10:29

One-Stage Arthroplasty or Revision for Seronegative Infections in Hip and Knee
Wei-Nan ZENG; Jun-Li Liu; Duan Wang

10:35

10:41

Analyses of Microbiology and Outcome in Early, Delayed and Late Prosthetic Joint Infection
Zhi Chen

10:47

The Role of Preoperative Chlorhexidine Gluconate Wipes in Total Joint Arthroplasty: A Systematic Review and Meta-Analysis
Nabila Khondakar; Neil v. Shah; Taylor S. Murtaugh; Richard Gold; Alexandr Aylyarov; Scott C. Pascal; Matthew A. Harb; Jared M. Newman; Jeffrey M. Schwartz; Aditya v. Maheshwari

10:53

The Utility of Cement Spacers Made With Dental Silicone Molds for Treatment of the Periprosthetic Infection After Total Knee Arthroplasty.
Hidetaka Higashi; Kazuhiro Oinuma; Yoko Miura; Taisi Ninomiya; Yoshiatsu Nakakita; Kazuhisa Kurogi; Ayako Kurogi; Nobuhiko Sumiyoshi; Hideaki Shiratsuchi

10:59

10:05

Biomarkers of adverse local tissue reactions in total hip replacements
Isabelle Catelas

10:12

10:17

Putting Gamma Back in Grandma: Informing Clinical Bearing Selection and Tradeoffs Through Chemical and Mechanical Analysis of Over 500 Contemporary Antioxidant and Highly Cross-Linked Retrievals
Barbara Currier; John Currier; Kori Jevsevar; Douglas Van Citters

10:23

Comparison of Physical, Chemical and Mechanical Property Changes After Extended in Vivo Time of HXLPE Acetabular Liner Rims With Differing Free Radical Stabilization Techniques
Michael Decker; Aria Khalili; Robert Klassen; Matthew Teeter; Richard W McCalden; Brent Lanting

10:29

Near-Field Electrochemical Impedance Spectroscopy Methods for Retrieval Surface Analysis
Aarti Shenoy; Jeremy Gilbert

10:35

10:41

Wear of a Ceramic Resurfacing Hip Prosthesis Under Standard and Microseparation Conditions
Danielle De Villiers; Simon Collins

10:47

Understanding the Fretting Corrosion Response of a Corroded Preserved Stem in THA
Luis Ramos Peralta; Eric Ouellette; Christina Arnholt; Peter W. Kurtz; Greg Klein; Judd Day; Steven M. Kurtz

10:53

The Influence of the Chosen Reference Geometry on the Determination of Material Loss of Worn and Deformed Hip Cups
Miriam Ruhr; Valerie Polster; Michael Morlock

10:59

11:10

3D ultrasound applications in orthopaedics
Richard Komistek

11:17

11:22

Validation of MyHip Planner and MyHip Verifier Software: 3D Planning and Intraoperative Verification in Total Hip Arthroplasty
Federico De Meo; Daniele Ascani; Giorgio Cacciola; Massimiliano Bernardoni; Pietro Cavaliere

11:28

Pre-Operative Planning Modalities for Correction of Acetabular Dysplasia
Alexander J. Acuna; Linsen T. Samuel; Assem A. Sultan; Atul Kamath

11:34

Accuracy of Image-Less Navigation for Functional Cup Positioning and Restoration of Leg Length in Total Hip Arthroplasty: A Matched Comparative Analysis
Morteza Meftah

11:40

11:46

Significant Differences in Cup Orientation Measurements Between Intraoperative Fluoroscopy and Postoperative CT
Eric M Slotkin; Jim Pierrepont; Eleanor Smith; Chameka Madurawe; Bronwyn Steele; Sophie Ricketts; Michael Solomon

11:52

Accuracy of CT Templating for Direct Anterior Approach Total Hip Arthroplasty
Stefan Kreuzer; Chameka Madurawe; Jim Pierrepont; Tristan Jones

11:58

Anatomical Landmarking for Use in Preoperative Surgical Planning and Patient Specific Modeling
Jarrod Nachtrab; Manh Ta; Michael LaCour; Richard Komistek

12:04

11:10

Analgesic-Loaded UHMWPE Provides Post-Arthroplasty Antimicrobial Prophylaxis
Dmitry Gil; Scott Grindy; Shannon Hugard; Orhun Muratoglu; Ebru Oral

11:17

11:22

In-Vivo Assessment of Extended Duration Cathodic Voltage-Controlled Electrical Simulation for Treatment of Periprosthetic Joint Infections
Kyle Weeks; Caelen Clark; Eric McDermott; Menachem Tobias; Thomas Duquin; Albert Titus; Mark Ehrensberger

11:28

Mechanical Integrity of MRSA Antibacterial Nanotube Surfaces
Craig R. Friedrich; Shuo Wang; Adam Francis; Erin Baker

11:34

The Use of Silver Coated Megaprostheses for the Prevention of Recurrent PJI in Multiply Revised, Complex Salvage Arthroplasty Patients: A Single Surgeon, US Experience
Richard Buch; Robert Eberle

11:40

11:46

Silicon Nitride: A Nitric Oxide Releasing Ceramic for Prevention of Periprosthetic Joint Infections
B. Sonny Bal; Ryan Bock; Bryan McEntire; Giuseppe Pezzotti

11:52

Hinderance of Bacterial Proliferation by a Silicon Nitride Surface Buffering Effect
Francesco Boschetto; Ryan Bock; Bryan McEntire; Elia Marin; B. Sonny Bal; Giuseppe Pezzotti

11:58

First Human Implantation of a Chromium Nitride Silver Coated Smart Spacer Implant for Two-Stage Revision of Infected Knee Replacements
Harry Hothi; Laura Richards; Simon Collins; Laurent Espitalier; Anna Di Laura; Johann Henckel; Chethan Jayadev; Jonathan Phillips; Alister Hart

12:04

11:10

The importance of differentiating “looks bad” from “is bad” in retrieval analysis
Douglas Van Citters

11:17

11:22

Retrieval Analysis of the ATTUNE Knee Tibial Tray
Harry Hothi; Johann Henckel; Antti Eskelinen; Arianna Cerquiglini; Anna Di Laura; Simon West; John A. Skinner; Michael Hirschmann; Alister Hart

11:28

Attune Knee Retrieval Series: Wear and Surface Damage Analysis of the First 100
John Currier; Barbara Currier; Kori Jevsevar; Douglas Van Citters

11:34

Bone Ingrowth in Retrieved Porous Coated Tibial Trays
Elexis Baral; Richard Purcell; Timothy Wright; Geoffrey H Westrich

11:40

11:46

The Effect of Conformity and Constraint on Polyethylene Wear of Retrieved Total Knee Replacements
Christopher Knowlton; Markus Wimmer

11:52

Wear Scar Analysis of Clinically Retrieved Versus in-Vitro Wear Tested Patellar Components
Oliver Darwish; Jason Langhorn; Douglas Van Citters; Amber Metcalfe

11:58

Inflammatory Cell – Induced Corrosion (ICIC) vs. Electrocautery Induced Damage of Total Knee Implants: A Comparison Study
Griffin Heise; Christina Arnholt; Brian Morrow; Jameson Sorrels; Steven Kurtz; William Mihalko

12:04

13:20

NAVIO® Robotic Assisted Surgical System for Total Knee Arthroplasty Using JOURNEY® II Guided-Motion Total Knee System
Ran Schwarzkopf; Jimmy Chow; Joseph Burkhardt; Mark Gittins; Bertrand Kaper; David Fabi; Beate Hanson; Vinay Bhal

13:27

13:31

Patient Satisfaction After Robotic Assisted Total Knee Arthroplasty: A 2-Year Follow-Up
Kelly Taylor; Laura Yanoso-Scholl; Manoshi Bhowmik-Stoker; Kevin Marchand; Caitlin Condrey; Robert Marchand

13:37

One Year Clinical Outcomes of a Novel Predictive Ligament Balancing Technique for Total Knee Arthroplasty
Jeffrey Lawrence; John Keggi; Amber Randall; Jeffrey DeClaire; Corey E. Ponder; Jan Albert Koenig; Sami Shalhoub; Edgar Wakelin; Christopher Plaskos

13:43

Robotic-Arm Assisted Total Knee Arthroplasty Improves Precision and Delivers Early Outcomes Superior to Manual Approach
Jenny Zhang; Andrew Sawires; Chelsea Matzko; Nipun Sodhi; Joseph Ehiorobo; Michael Mont; Matthew Hepinstall

13:49

13:55

Early Results of Patient-Reported Outcome Measures in Robotic-Assisted Total Knee Arthroplasty
Bertrand Kaper

14:01

Robotic Assisted Total Knee Arthroplasty: Addressing Varus Knees
Jingwei Zhang; Manoshi Bhowmik-Stoker; Laura Yanoso-Scholl; Caitlin Condrey; Kevin Marchand; Kirby D Hitt; Robert Marchand

14:07

A Cross Comparison Shopping Guide to Robot-Assisted Surgical Systems
Patrick Meere; Nicholas Parody; Jackson Wirekoh

14:13

14:19

Results of an Active Robotic TKA US Trial
Bernard Stulberg; Jayson Zadzilka; Stefan W Kreuzer; William Long; Yair Kissin; Ralph A Liebelt; Valentina Campanelli; Joel Zuhars

14:25

Do Posterior Osteophytes Matter? Effect of Posterior Osteophytes on Robotic-Assessed Gaps Between Pose-Capture and Trialing
Kenneth Gustke; Todd Morrison

14:31

Patient Matched Tibial Trays in Robotically Milled Bone Will Solve Cementless Tibial Fixation
Douglas Unis

Excessive Use of Force in Press Fit Arthroplasty
Kambiz Behzadi

Gait Analysis Is So Easy as Never Before With a Smartphone in a Long Sock.
Fabio Conteduca; Renato Marega

Scapula, a Module for Patient Positioning in Shoulder Arthroplasty
Jasna Rudez

13:20

The influence of head size on hip biomechanics
Richard Van Arkel

13:27

13:31

Implant Survival and Patient-Reported Outcomes After Hip Resurfacing Arthroplasty in Patients 35 Years of Age or Younger
Rachelle Morgenstern; Thomas Alastair Denova; Edwin Su

13:37

Bone Remodelling Study of Metal and All-Ceramic Acetabular Resurfacing Cups
Danielle De Villiers; Simon Collins; Andy Taylor; Alexander Dickinson

13:43

Does Cementless Femoral Fixation Provide a Comparable Clinical Outcome to Cemented Fixation in Hip Resurfacing Arthroplasty?
Placido Bartolone; Amardeep Singh; Paul Kim; Cheryl Kreviazuk; Johanna Dobransky; Paul E. Beaule

13:49

13:55

Metal-on-Metal Hip Implants and Pregnancy: Are MoM Implants Good for Mom? a Systematic Review
Linsen T. Samuel; Jacob M. Rabin; Assem A. Sultan; Nicholas R. Arnold; Peter Brooks; Michael A. Mont

14:01

A Study of Metal Allergy in Metal-on-Metal Hip Resurfacing Arthroplasty
Thomas Gross; Dani Gaillard-Campbell

14:07

Leg Length Change After Open-Wedge High Tibial Osteotomy on 3D Preoperative Planning Software
Yuki Yamamuro; Tamon Kabata; Yoshitomo Kajino; Daisuke Inoue; Takaaki Ohmori; Takuro Ueno; Junya Yoshitani; Ken Ueoka; Hiroyuki Tsuchiya

14:13

14:19

The Long-Term Outcomes of Modified Harrington Procedure Using Antegrade Pins for Periacetabular Metastasis and Haematological Diseases
Manoj Puthiya Veettil; Yusuke Tsuda; Adesegun Abudu; Roger Tillman

14:25

Modified Iliac Spine Wafer Osteotomy for Exposure During Bernese Periacetabular Osteotomy
Linsen T. Samuel; Mohammed A. Munim; Atul Kamath

14:31

14:40

Is Robotic Technology Needed in the Hip? Isn’t Computer Navigation Sufficient?
Nobuhiko Sugano

14:47

14:51

A Prospective Cohort Study Comparing the Accuracy of Restoring Native Hip Biomechanics and Acetabular Cup Positioning in Conventional Manual Total Hip Arthroplasty Versus Robotic Total Hip Arthroplast
Fahima Begum; Babar Kayani; Syed S Ahmed; Sujith Konan; Sumon Huq; Fares Haddad

14:57

Minimum 5-Year Outcomes of Robotic-Assisted Primary Total Hip Arthroplasty With a Nested Comparison Against Manual Primary Total Hip Arthroplasty: A Propensity Score Matched Study.
David Maldonado; Jeffrey Chen; Ajay Lall; Itay Perets; Benjamin Domb

15:03

Prospective Clinical Trial on the Accuracy of an MRI-Based Patient-Specific Acetabular Instrument Guide in Total Hip Arthroplasty
Daisuke Inoue; Tamon Kabata; Yoshitomo Kajino; Tadashi Taga; Takaaki Ohmori; Tomoharu Takagi; Junya Yoshitani; Takuro Ueno; Ken Ueoka; Yuki Yamamuro; Hiroyuki Tsuchiya

15:09

15:15

Robotic Assisted Total Hip Arthroplasty Reduces Symptomatic Post-Operative Trochanteric Bursitis
Connor King; Kenneth Chakour; Yejoon Kim; Hue Luu; John Martell

15:21

Significantly Improved Acetabular Component Positioning and Reduced Leg Length Discrepancy Using a New 3D Mini-Optical Navigation System in Total Hip Arthroplasty
Nancy Cipparone; Matthew Robinson; Jason Chen; Jeff Muir; Ritesh Shah

15:27

CT Based Accuracy Measurement of a Smart Mechanical Navigation System for Cup Alignment
Patrick Lane; William Murphy; Jens Kowal; Stephen Murphy

15:33

15:39

Early Results of the Corin Optimized Positioning System (OPS). a Registry Analysis of 841 Consecutive Total Hip Replacements
Andrew Shimmin; Jim Pierrepont; Jonathan Bare; Leonard Walter; Stephen McMahon

15:45

A Comparison of Supercapsular Percutaneously Assisted Total Hip Arthroplasty With Smart Mechanical Nagivation Versus Robotic-Arm Assisted Direct Superior THA
Gregory Klingenstein; Cara Guth

15:51

14:40

Development of load limiting instruments for intra-operative impaction
Jonathan Jeffers

14:47

14:51

Tuning of 3D Printed Energy Harvester Package Design
Geofrey Yamomo; Alwathiqbellah Ibrahim; Sherry Towfighian; Ryan Willing

14:57

Additively Manufactured Antibiotic-Eluting Polymers for Orthopaedics: Improving the Treatment of Peri-Prosthetic Infection
Trevor Gascoyne; Luke Rodgers; Steve Kubiak; Martin Petrak

15:03

Reliance on Clinical Maximum Flexion After Total Knee Arthroplasty Is Misguided: A Better Way Forward With Wearable Inertial Measurement Units
Ryan Chapman; Wayne Moschetti; Douglas Van Citters

15:09

15:15

Machine Learning Groups Total Knee Replacement Patients by Likelihood of Short-Term Functional Improvement Post-Surgery Based on Preoperative Instrumented Timed-Up-and-Go Tests
Riley Bloomfield; Harley Williams; Jordan Broberg; Brent Lanting; Matthew Teeter

15:21

Towards Practical Clinical Examination of 3D Joint Kinematics Using Machine Learning
Paris Flood; Andrew Jensen; Scott Banks

15:27

A Deep Learning-Based Computer Vision System for Detection and Pose Estimation of Surgical Tools Used in Joint Replacement
William Burton; Casey Myers; Paul Rullkoetter

15:33

15:39

In-Vivo Vibroarthographics of Normal, Degenerative, and Implanted Hip Subjects
Garett Dessinger; Michael LaCour; Richard Komistek

15:45

Non-Invasive Diagnosis of Aseptic Implant Loosening via Electrical Impedance Tomography
Hamid Ghaednia; Tyler N Tallman; Crystal E. Owens; A. John Hart; Kartik Mangudi Varadarajan

15:51

14:40

CT-Ultrasound Fusion for Spinal Surgery
Cari Whyne

14:47

14:51

Novel Posterior Instrumentation for Fusing Unstable Atlantoaxial Joints
Timothy Lasswell; Supriya Singh; John Medley; Jack Callaghan; Duane Cronin; Colin McKinnon; Parham Rasoulinejad

14:57

Patient-Specific Pedicular Screw Trajectory and Purchase Prediction for a Safer Surgery in Aging Spine
Jean-Marc Valiadis

15:03

Glenoid Joint Force Direction During Activities of Daily Living
Christine Mueri; Philippe Favre; Joern Dymke; DirkJan (HEJ) Veeger; Georg Bergmann; Frans van der Helm; Dimitra Blana; Bart Bolsterlee; Philipp Damm

15:09

15:15

Effects of Different Total Ankle Replacements on the Distance Between Ligament Insertions Throughout Stance
Brett Steineman; Rogerio Bitar; Daniel Sturnick; Jeffrey Hoffman; Jonathan Deland; Constantine Demetracopoulos; Timothy Wright

15:21

Evaluating the Effect of Size and Implantation Method on Micromotion of Cementless TAR Talar Components Using Optical Measurement Techniques
Ananthkrishnan Gopalakrishnan; Ramya Vemuri; Jarett Michaelson; Ariel Palanca

15:27

Constraint Profile and Polyethylene Stresses of Three Modern Total Elbow Replacements
Fernando J Quevedo Gonzalez; Andrea Fattori; Joseph Lipman; Nicola Del Negro; Caroline Brial; Mark P. Figgie; Robert Hotchkiss; Michele Pressacco; Timothy Wright

15:33

15:39

Convertible Total Elbow Prosthesis: In Vitro Assessment of the Strength of the Axle Modular Connection Under Low and High Demand Biomechanical Conditions in a Novel Device in Linked Configuration
Andrea Fattori; Nicola Del Negro; Kirk Gunsallus; Joseph Lipman; Robert Hotchkiss; Mark P. Figgie; Timothy Wright; Michele Pressacco

15:45

Patient Related Risk-Factors for Revisions and Surgical Site Infections Following Primary Proximal Interphalangeal Joint Arthroplasty
Samuel Swiggett; Rushabh Vakharia; Hiba Anis; Joseph Ehiorobo; Nipun Sodhi; Michael Mont; Martin Roche

15:51

16:25

Why are contemporary revision total hips failing?
David Lewallen

16:32

16:37

All Cause Readmission and Revision Surgery Within 1 Year of Elective THA in the U.S. Medicare Population
William Murphy; Patrick Lane; Samantha Harris; Ben Lin; Tony Cheng; David Terry; Stephen Murphy

16:43

Impartial and Quantitative Assessment of 50 Acetabular Bone Defects
Georg Hettich; Ronja Schierjott; Heiko Graichen; Volkmar Jansson; Maximilian Rudert; Francesco Traina; Patrick Weber; Thomas M. Grupp

16:49

Leg Length Restoration After Reconstruction of Massive Acetabular Defects: An EOS Study
Anna Di Laura; Johann Henckel; Harry Hothi; Robert Wescott; Alister Hart

16:55

17:01

Patient Matched Implants in Multiple Revised Large Acetabular Defects: Good Surgical Reproducibility and Low Complication Rate
Marieke Baauw; Miranda Van Hooff; Gijs Van Hellemondt; Paul Jutte; Sjoerd Bulstra; Maarten Spruit

17:07

Acetabular Re-Revision Surgery With Impaction Bone Grafting and a Cemented Cup
Eduardo Garcia-Rey; Eduardo Garcia-Cimbrelo

17:13

Short Term Results of Anti-Protrusion Cage in Acetabular Revision Surgery Combined With Computed Tomography-Based Navigation System and Large Diameter Femoral Head
Wataru Ando; Hidetoshi Hamada; Masaki Takao; Nobuhiko Sugano

17:19

16:25

Role of fixation method and surgical technique on implant migration following total knee arthroplasty
Harley Williams; James Howard; Brent Lanting; Matthew Teeter

16:32

16:37

Will Methods of Reducing the Irregularity of the Tibial Osteotomy Lead to Improved Fixation of Cementless Tibial Components?
Luis Delgadillo; Hugh Jones; Philip Noble

16:43

Influence of Implant Surface, Bone Cement & Timing on Tibial Tray Fixation in Total Knee Arthroplasty – a Study Based on Experimental, Clinical & Registry Data
William Mihalko; Christoph Schilling; Jens Schwiesau; Andreas Pfaff; Brigitte Altermann; David R Lionberger; Thomas M. Grupp

16:49

The Effect of Prosthesis Constraint on Implant Rotational Torque During Gait
Jacqueline Simon; Hannah Lundberg; Craig Della Valle; Markus Wimmer

16:55

17:01

Predicting Cementless Stem Fixation in Total Hip Arthroplasty Using Bone Density Mapping
Douglas Dennis; Jim Pierrepont; Chameka Madurawe; Joshua Friedmann; Jonathan Bare; Stephen McMahon; Andrew Shimmin

17:07

Distal-Only Fixation of Tapered Wedge Fully Hydroxyapatite Coated Stems
M. Umar Jawad; Zachary Berliner; Eli Kamara; Kristina Dushaj; John Cooper; Jose Rodriguez; Matthew S Hepinstall

17:13

Press-Fit Cup Seating During Primary Total Hip Arthroplasty
Philipp Messer-Hannemann; Hannah Weyer; Michael Morlock

17:19

16:25

Economic and patient functional benefits from outpatient THA and TKA
Brent Lanting

16:32

16:37

Enhanced Recovery Short-Stay Hip and Knee Joint Replacement Program Improves Patients Outcomes While Reducing Hospital Costs
Pascal-Andre Vendittoli; Martin Lavigne; Karina Pellei; Francois Desmeules; Vincent Masse; Louis-Philippe Fortier

16:43

Safety Criteria for Short Hospital Stay After Total Joint Replacement
Morteza Meftah

16:49

Anterior Approach for Primary THA in a Community-Based Hospital: Adverse Events and Readmissions
George Grammatopoulos; Paul E. Beaule; Romain Galmiche; Jean-Pierre Lafleche; Wade Gofton; Johanna Dobransky; Guy Moreau

16:55

17:01

Same Day Physical Therapy Following Total Knee Arthroplasty Leads to Improved Postoperative Function Outcomes and Decreased Opioid Consumption
Nana Sarpong; Akshay Lakra; Emma Jennings; Josephine Coury; John Cooper; Roshan Shah; Jeffrey Geller

17:07

National Trends in Peri-Operative Outcomes and Place of Discharge Following Total Knee Replacements by Sex
Adam Green; Rafid Kasir; Nicholas Schraut; Matthew Deren

17:13

Alternating Operating Room Utilization Is Not Associated With Differences in Clinical or Economic Outcome Measures in Primary Elective Knee Arthroplasty
William Murphy; Samantha Harris; Vartan Pahalayants; Mark Zaki; Ben Lin; Tony Cheng; Carl Talmo; Stephen Murphy

17:19

17:34

Local Delivery of Pain Medication in a Rat Model for Total Knee Arthroplasty
Wali Sabuhi; Charlotte Leape; Yingfang Fan; Scott Grindy; Dmitry Gil; Orhun Muratoglu; Mark Randolph; Ebru Oral

17:41

Characterization of Wear and Corrosion Product Using Multivariate FTIR-I Analysis
Songyun Liu; Deborah Hall; Stephanie McCarthy; Si Chen; Joshua Jacobs; Robert Urban; Robin Pourzal

17:48

Antibiotic-Loaded Calcium Sulfate Cement Use in Orthopaedic Surgery: A Systematic Review
Dylan T. Wolff; Jared M. Newman; Neil v. Shah; Patrick J. Morrissey; Charles A. Conway; Richard Gold; Mikhail Tretiakov; Dillon D. Sedaghatpour; Robert Pivec; Qais Naziri; Emmanuel Illical

17:55

Does Femoral Head Composition Affect Fretting and Corrosion in Ceramic on Polyethylene Total Hip Arthroplasty? a Retrieval Analysis
Corinn Gehrke; Young Jee; Matthew Siljander; Maria Lepore; Michael Flierl; Drew Moore; Erin Baker

18:02

A Multiphysics Analysis of Texture Shapes on the Tribological Performance of Hip Implants
Nia Christian; Gagan Srivastava; C. Fred Higgs III

18:09

The Influence of Varying Contact Stress on the Wear of XLPE and CFR-PEEK Against CoCr
Goksu Kandemir; Simon Smith; Thomas Joyce

18:16

Metal-on-Metal Bearings Increase the Risk of Pseudotumor Formation in Patients With the Same Dual-Modular Total Hip Arthroplasty
Tahsin Rahman; Nicholas Frisch; Ishan Patel; Brian Darrith; Craig Silverton

17:30

Ratio of Acetabular to Femoral Head Radii as an Indicator of Curvature Mismatch in Borderline Dysplastic Hips
Tohru Irie; Alejandro Espinoza Orias; Tomoyo Irie; Shane J Nho; Daisuke Takahashi; Norimasa Iwasaki; Nozomu Inoue

17:36

Effect of Reaming Size on Primary Stability of Uncemented Acetabular Shell Outer Geometry in Developmental Dysplasia of the Hip
Kazuhiro Yoshida; Kensuke Fukushima; Rina Sakai; Katsufumi Uchiyama; Naonobu Takahira; Masanobu Ujihira

17:42

Influence of Prior Core Decompression on the Outcomes of Subsequent Total Hip Arthroplasty for Osteonecrosis of the Femoral Head: A Systematic Review and Meta-Analysis
Wang Deng; Zhaolun Wang; Yixin Zhou; Hongyi Shao; Dejin Yang

17:48

Surgical Plan Compliance in Patients With Massive Pelvic Defects at Revision Arthroplasty: A Post-Operative 3D Assessment
Anna Di Laura; Johann Henckel; Matthieu Durand Hill; Harry Hothi; Alister Hart

17:54

How to Restore Rotation Center in Total Hip Arthroplasty for Developmental Dysplasia of the Hip by Recognizing the Pathomorphology of Acetabulum and Harris Fossa?
Heng Zhang

18:00

Case Report: Periprosthetic Pertrochanteric Post-Traumatic Fracture in Hip Resurfacing Treated With Locked Plate Fixation. a Challenge
Giovanni Micera; Riccardo Orsini; Daniele Fabbri; Salvatore Mosca; Antonio Moroni

17:30

The Posterior Femoral Offset Ratio of JourneyⅡ CR-Type　in Knee Extension Posture
Yoshikazu Tsuneizumi; Tadashi Tsukeoka

17:36

Measures of Sagittal Distal Femoral Functional Geometry
Scott Logan; Ahmad Faizan

17:42

A Case Report of Patella Dislocation After Total Knee Arthroplasty Influenced by Implant Malrotation
Keisuke Matsukura; Satomi Abe; Hiroshi Ito

17:48

Obesity and the Outcome of Robotic Unicompartmental Knee Arthroplasty
Amir Pourmoghaddam; Marius Dettmer; Stefan Kreuzer; Stefany Malanka; Hayden Pastorini

17:54

Accuracy of Robotic-Assisted Unicompartmental Knee Arthroplasty for Patients With Medial Condyle Osteoarthritis
Martin Roche; Rushabh Vakharia; Patrick Leung; Tsun Yee Law; Karim Sabeh

18:00

Long Term Survivorship of the Oxford Medial Unicompartmental Knee Arthroplasty in Patients Under the Age of 65: Minimum Fifteen-Year Outcomes From a Canadian Center.
Paul Jamieson; Alexis Rousseau-Saine; Raman Bhullar; Johanna Dobransky; Paul Kim; Geoffrey F Dervin

18:06

Does Internally Rotating the Femoral Component to the Transepicondylar Axis Lead to Maltracking of the Patella?
Werner Van Der Merwe; Wim Hiddema

17:30

In Vivo Kinematics for Subjects Having a Symmetrical Femoral and Tibial Component
Milad Khasian; Michael LaCour; Seth Coomer; Richard Komistek

17:36

In Vivo Kinematics Comparison for Subjects Having a PCR TKA or a BCR TKA to the Normal Knee During Deep Knee Bend
Lauren Smith; Garett Dessinger; Harold Cates; Richard Komistek

17:42

Comparison of Varus-Valgus Kinematics Among Various Designs of Total Knee Arthroplasty
Tomofumi Kinoshita; Kazunori Hino; Tatsuhiko Kutsuna; Kunihiko Watamori; Hiromasa Miura

17:48

Achieving Progressive Constrained Kinematics Following Primary Complex Total Knee Arthroplasty: The Trapezoidal Femoral Component Box
Shaan Sadhwani; Dyana Picache; Robert Eberle; Asit K. Shah

17:54

Kinematic Analysis of Total Knee Arthroplasty Using Verasense: Genesis-II Prosthesis Versus Anthem Prosthesis
Ik-Sun Choi; Jong-Keun Seon

18:00

Differences on Intraoperative Rotational Kinematics Between Mild and Severe Valgus Deformity Knees in Total Knee Arthroplasty
Kohei Kawaguchi; Hiroshi Inui; Ryota Yamagami; Kenichi Kono; Shin Sameshima; Kentaro Takagi; Tomofumi Kage; Shuji Taketomi

18:06

Total Knee Replacement Kinematics and Laxity Are Not Affected by Differing Frictional Characteristics of Trial Versus UHMWPE Bearings
Ryan Willing; Geofrey Yamomo; Alireza Moslemian; Paul Kelly; Brent Lanting

17:30

Virtual Reconstruction of the Posterior Cruciate Ligament for Mechanical Testing of Total Knee Arthroplasty Implants
Nana Sarpong; Julian Sonnenfeld; Sally LiArno; Josephine Coury; Raga Rajaravivarma; Sonia Donde; Tatyana Kaverina; John Cooper; Roshan Shah; Jeffrey Geller

17:36

Current Preclinical Testing of New Hip Replacement Technologies Does Not Reflect Real World Loadings: Capturing Patient-Specific and Activity-Related Variation in Hip Contact Forces
Enrico De Pieri; David Lunn; Graham Chapman; Morten Lund; Anthony Redmond; S J Ferguson

17:42

Bone Remodeling Stimulus in Trabecular Bone From Peri Prosthetic Cementation
Sourabh Boruah; Brandon Scott; Orhun Muratoglu; Kartik Mangudi Varadarajan

17:48

Estimation of Thigh-Calf Contact Force During Plantarflexed and Dorsiflexed Kneeling Using Posture and Physical Size Parameters
Michihiko Fukunaga; Koji Ito

17:54

Radiostereometric Analysis as a Diagnostic for Assessing Vertebral Fusion: A Phantom Study
Trevor Gascoyne; Sara Parashin; Mohammad Zarrabian

18:00

An Analysis of Functional Pelvic Tilt When Standing and Sitting Forward in 7402 Cases, 281 of Which Have Undergone Previous Instrumented Spinal Fusion.
Len Walter; Chameka Madurawe; Yolanda Gu; Jim Pierrepont

18:06

Experimental Characterization of Impaction Energy During Hip Broaching: Comparison of Mallet and Powered Impaction
Riza Bayoglu; Luke Storer; Yashar Behnam; Dan Huff; J. Bohannon Mason; Chadd Clary

17:30

Traditional Intravenous Fluid Versus Oral Fluid Administration Primary Total Knee Arthroplasty: A Prospective Randomized Trial
Jason Jennings; Mauricio Mejia; MA Williams; Charlie Yang; Douglas Dennis

17:36

Tourniquet and Tranexamic Acid Use in Total Knee Arthroplasty
William Johns; Nirav Patel; Ronald Langstaff; Vikas Vedi

17:42

Tourniquet-Free Total Knee Arthroplasty: Technique and Results
Morteza Meftah

17:48

The Efficacy of Combined Use of Intravenous and Oral Tranexamic Acid on Reducing Blood Loss Following Total Knee Arthroplasty
Seung-Baik Kang; Chong Bum Chang; Moon Jong Chang; Tae Woo Kim; Hyung Jun Park; Do Hwan Han; Keummin Hwang

17:54

Utilization of a Repless Model in Primary Joint Arthroplasty: Lessons Learned
Morteza Meftah

18:00

Tourniquet Use Does Not Increase Tibial Cement Mantle Thickness in Primary Total Knee Arthroplasty
Duan Wang

17:30

Minimum Ten-Year Follow-Up of Cementless Total Hip Arthroplasty With the Coren Hip System – Multicenter Study
Se-Won Lee; Young Wook Lim; Joo-Hyoun Song; Weon-Yoo Kim; Hwanhee Lee; Seung-Bae Oh

17:36

The POLARSTEM™ Hip Stem and R3™ Acetabular Component for Total Hip Arthroplasty: A Comparison of Patient-Reported Outcome Measures Against Class Averages for Cementless Implants
Christopher Saunders; Vinay Bhal

17:42

Midterm Result of Total Hip Arthroplasty With Revelation Micromax
Hiroto Mitsui; Hirotaka Iguchi; Gen Kuroyanagi; Makoto Kobayashi; Masahiro Nozaki; Yuko Nagaya; Hideki Murakami

17:48

Incidence and Natural Course of Initial Gap With Use of PSL Type Shells
Taiki Kusano; Yasuhiko Takegami; Taisuke Seki; Yusuke Osawa

17:54

Comparison of a Porous Modular Cup and a Hydroxyapatite-Coated Monoblock Cup
Pablo Slullitel; George Grammatopoulos; Johanna Dobransky; Cheryl Kreviazuk; J. Mark Wilkinson; Paul E. Beaule

18:00

Early Aseptic Loosening of an Ultra-Short Non-Anatomic Proximal Loading Stem in Primary Total Hip Arthroplasty
Sang-Min Kim; Je Hyun Yoo; Seung-Beom Han

7:34

A Vector Based CT Alignment Measurement Protocol for Robotic Assisted Total Knee Arthroplasty
Jingwei Zhang; Scott Persohn; Manoshi Bhowmik-Stoker; Jason Otto; Meenakshisundaram Paramasivam; Ahmad Wahdan; Robert H Choplin; Paul R Territo

7:41

Characterization of an Embedded Temperature Sensor for Instrumenting Tibial Spacers Used in Two-Stage Revision Procedures for Infected Total Knee Arthroplasty
Michael Lavdas; Brent Lanting; David Holdsworth; Matthew Teeter

7:48

The CT-Based Navigation System Is a Useful Intraoperative Tool to Accurately Implant the Acetabular Component in Crowe Type IV; a Case Control Study.
Ken Ueoka; Tamon Kabata; Yoshitomo Kajino; Daisuke Inoue; Tadashi Taga; Tomoharu Takagi; Takaaki Ohmori; Junya Yoshitani; Takuro Ueno; Yuki Yamamuro; Hiroyuki Tsuchiya

7:55

Patient Specific Instrumentation and Guides for Stem Positioning in Primary THA: A Post-Operative 3D Assessment.
Johann Henckel; Anna Di Laura; Martin Belzunce; Harry Hothi; Alister Hart

8:02

Joint Specific Surface Sensors to Measure Post-Operative Function Following Total Knee Arthroplasty (TKA)
Daniel Hu; S. David Stulberg

8:09

Fully-Immersive Virtual Reality for Total Hip Arthroplasty: Objective Measurement and Transfer of Visuospatial Performance in a Competency-Based Simulation Curriculum
Kartik Logishetty; Wade Gofton; Branavan Rudran; Paul Edgar Beaulé; Justin Cobb

8:16

Pre-Operative Planning Tool to Assess Leg Length After THA Implantation During Virtual Surgery
Jarrod Nachtrab; Manh Ta; Michael LaCour; Richard Komistek

7:30

Does Prosthetic or Bony Impingement Occur More Often in Total Hip Arthroplasty?
Gwo-Chin Lee; Jim Pierrepont; Jonathan Bare; Douglas Dennis

7:36

Impingement and Metal Notching After Dual Mobility Total Hip Arthroplasty
Ryan William Cummings; Kristina Dushaj; Zachary Berliner; Matthew Grosso; Roshan Shah; H. John Cooper; Matthew Heller; Matthew S Hepinstall

7:42

Comparison of Cyclic Impingement Resistance in First and Second Generation Highly Crosslinked Polyethylene Lateral Offset Acetabular Components
Kosuke Kamada; Yasuhito Takahashi; Toshiyuki Tateiwa; Takaaki Shishido; Toshinori Masaoka; Giuseppe Pezzotti; Kengo Yamamoto

7:48

The Effect of THA Bearing Material on Prosthetic Jump Height
Douglas Dennis; Jim Pierrepont; Chameka Madurawe; Gwo-Chin Lee; Andrew Shimmin

7:54

Lever-Out Moments of a Lipped Ceramic Liner
Kim Haeussler; Thomas Pandorf

8:00

Joint Bearing Surface Grafted With Biocompatible Phospholipid Polymer (MPC) Affects the Load Transfer by Acetabular Component in Artificial Hip
Yasuhiko Takegami; Yukihiro Habe; Taisuke Seki

7:30

X-Ray Evaluation of Total Hip Arthroplasty With SuperPATH Approach
Keisuke Hagio; Keisuke Akiyama; Kazuhisa Aikawa; Masanobu Saito

7:36

Algorithmic Soft Tissue Femoral Release in Anterior Approach Total Hip Arthroplasty: Analysis of Outcomes
Morad Chughtai; Linsen T. Samuel; Atul Kamath

7:42

Piriformis Sparing Technique in Total Hip Arthroplasty With Posterolateral Approach
Morteza Meftah

7:48

MIS Anterior Approach vs. Direct Lateral Approach in THR: Evaluation of Post-Operative Muscle Damage, Pain and Functional Recovery in a Short Term Study.
Attilio Speranza; Raffaele Iorio; Ilaria Nicolosi; Carrozzo Alessandro

7:54

Perioperative Changes in Pelvic Tilt After Hip Resurfacing Using a Direct Lateral Approach
Linsen T. Samuel; Jared Warren; Jacob M. Rabin; Alexander J. Acuna; Amy Shuster; Jordan Patterson; Michael A. Mont; Peter Brooks

8:00

The Influence of Surgical Approach on Acetabular Component Positioning: A Comparative Study of Patients Who Underwent Bilateral Total Hip Arthroplasty Through Different Approaches by the Same Surgeon
Mazen Ibrahim; Kathryn Culliton; Cheryl Kreviazuk; Johanna Dobransky; Alberto Carli; Paul Edgar Beaulé

7:30

Balancing a Knee With Varus Angular Bone Cuts in Total Knee Arthroplasty by Utilizing Load Bearing Intraoperative Sensor Technology
Martin Roche; Rushabh Vakharia

7:36

Measurement of Full Arc Range of Motion Soft Tissue Balance in Robotic-Assisted Total Knee Arthroplasty
Bertrand Kaper

7:42

Gap Imbalances Created by Mechanically Aligned Total Knee Arthroplasty Are Significantly Reduced Using Restricted Kinematic Alignment
William Blakeney; Yann Beaulieu; Marc-Olivier Kiss; Pascal-Andre Vendittoli

7:48

Intactness of the Anterior Cruciate Ligament at Time of Total Knee Arthroplasty Surgery in Patients With Osteoarthritis: A Systematic Literature Review and Meta-Analysis
Kalliopi Roussi; Christopher Saunders; Kolja Boese; John Watson

7:54

Implant Realignment: An Alternative to Ligamentous Release in TKA Balancing
Kenneth Gustke; Chesley Durgin

8:00

Intra-Operative Verification of a Knee Computational Model for Pre-Operative Dynamic Planning
Rachel Choi; Joshua Twiggs; Justin Roe; Brett Fritsch; David Liu; Brad Miles

8:06

The Non Respect of the Distal Femur Anatomy After Total Knee Arthroplasty Impact Patellofemoral Outcome Scores
Louis Dagneaux; Charles Rivière; Guillaume KARL; Francois Canovas

7:30

Positive Short-Term Clinical Outcomes Following Robotic Arm-Assisted Total Knee Arthroplasty: Are There Any Downsides?
Connor King; Mark Jordan; Jonathan Edgington; Caroline Wlodarski; Alexander Tauchen; Lalit Puri

7:36

Can Robotic Technology Help to Improve Accuracy of Preoperative Templating in Total Knee Arthroplasty One Step Further?
Babar Kayani; Fahima Begum; Syed S Ahmed; Jurek Pietrzak; Sumon Huq; Fares Haddad

7:42

Surgeon Experience in the Adoption of a CAOS Enhanced Total Knee Arthroplasty: a Global, Multi-Surgeon Evaluation
Yifei Dai; Valerie Bauler; Stephan Delpech; Phillip Lewandowski; Jefferson Craig Morrison; Ian Gradisar

7:48

Initial Safety Profile Assessment of the NAVIO Robotic-Assisted Total Knee Arthroplasty
Bertrand Kaper

7:54

Robotic Assisted Total Knee Arthroplasty: Addressing Valgus Knees
Jingwei Zhang; Manoshi Bhowmik-Stoker; Laura Yanoso-Scholl; Caitlin Condrey; Kevin Marchand; Robert Marchand

7:30

Trends in Reverse Total Shoulder Arthroplasty Glenoid Implant Selection and Placement Between High and Low Volume Surgeons: A Survey of 172 Shoulder Specialists
Alexander Greene; Ira Parsons; Richard Jones; Ari Youderian; Ian Byram; Rick Papandrea; Emilie Cheung; Thomas Wright; Joseph Zuckerman; Pierre Henri Flurin

7:36

Predicting Outstanding Results After Reverse Shoulder Arthroplasty Using Percent of Maximal Outcome Improvement
Teja S. Polisetty; Paul DeVito; Dhanur Damodar; Derek Berglund; Rushabh Vakharia; Ellie A. Moeller; M. Russell Giveans; Brandon Horn; Andy Malarkey; Samuel Swiggett; Jonathan Levy

7:42

Influence of the Factor on Early Postoperative Clinical Outcome in After Reverse Total Shoulder Arthroplasty
Hiroshi Kiyomatsu; Hiromasa Miura

7:48

Measuring Tightening Torque and Force of Nonlocking Screws for Reverse Shoulder Prosthesis.
Jonathan Pitocchi; Roel Wirix-Speetjens; Harry Van Lenthe; M. A. Perez

7:54

Identifying Preoperative Risk Factors for Acromial Stress Fracture After Reverse Total Shoulder Arthroplasty
Teja S. Polisetty; Michael P. Carducci; Paul DeVito; Mariano Menendez; Zachary R. Zimmer; Jonathan Levy; Samuel Swiggett; Andrew Jawa

7:30

Plastic Deformation Prediction in Dynamic FE Models of UHMWPE THR Liners Under Edge Loading Conditions
Faezeh Jahani; Lee Etchels; David Barton; John Fisher; Lin Wang; Jonathan Thompson; Ruth Wilcox; Alison Jones

7:36

Micro-Level Trabecular Apparent Modulus Can Be Accurately Modeled by QCT Finite Element Models Based on Material Mapping Strategy and Element Type
Nikolas K Knowles; Jonathan Kusins; Aoife Pucchio; Louis Ferreira

7:42

Computational Study on the Mechanical and Kinematic Alignment of Unconstrained Total Knee Replacements
Maeruan Kebbach; Andreas Geier; Martin Darowski; Sven Krueger; Christoph Schilling; Thomas M. Grupp; Rainer Bader

7:48

The Effect of Trochlear Dysplasia on Patellar Tracking and Patellofemoral Mechanics
Dennis Janssen; Marco Marra; Sebastiaan van de Groes; Bart Koopman; Nico Verdonschot

7:54

In Silico Analysis as a Tool to Predict the Effect of Micromotion on the Fretting-Corrosion Damage on the Stem-Cement Interface of Tha Implant
Vinicius Dos Santos; Patricia Ortega Cubillos; Claudio Santos; Carlos Rodrigo De Mello Roesler; Eduardo Alberto Fancello

8:00

Assessment of Range of Motion Loss Following Lumbar Interbody Fusion on a L4-L5 Finite Element Model Using Solid and Porous Cages
Nguyen Dat Tran; Natalia Nuño; Michael Reimeringer

7:30

Adductor Canal Block Combined With Local Infiltration Analgesia Versus Local Infiltration Analgesia Alone for Total Knee Arthroplasty: A Prospective, Randomized, Controlled Trial
Zhenyu Luo; Zongke Zhou

7:36

Same Complication and Readmission Rates After Fast-Track or Day-Case Total Hip and Total Knee Arthroplasty
Jean-Yves Jenny; Vincent Gisonni

7:42

Effect of the Eras Perioperative Protocol on Short Term Outcomes of Joint Replacement Surgery
Anthony S Unger

7:48

Simultaneous Bilateral Total Knee Arthroplasty Can Be a Safe and Effective Option for Octogenarians?
Akihiko Ezaki; Kosuke Sakata; Shoya Abe; Hirokazu Iwata; Katsuhiko Nannno; Tsuyoshi Nakai

7:54

Bleeding Versus Dvt Prophylaxis After Fast-Track Total Hip and Knee Arthroplasty
Jean-Yves Jenny; Aymard De Ladoucette

7:30

Do Patient-, Implant Design-, and Surgical Technique- Related Factors Affect the Rate of Dislocation in Total Hip Arthroplasty?
Eduardo Garcia-Rey; Eduardo Garcia Cimbrelo

7:36

Functional Outcomes After Total Joint Arthroplasty Are Related With the Severity of Parkinsons Disease: A Mid-Term Follow-Up
Xiao Rong; Zeyu Luo; Zongke Zhou

7:42

Prevalence and Severity of Coronary Artery Disease in Elective Total Joint Arthroplasty in Patients >65 Y/O With the Use of Coronary Computed Tomographic Angiography
Kenneth Gustke; Eric Harrison; Ramy Abdelmaseih; Randa Abdelmasih; Rachel Harris

7:48

Poor Glycemic Control and Post-Operative Hyperglycemia Does Not Increase the Risk of Thromboembolic Disease in Diabetic Patients Undergoing Total Joint Arthroplasty
Brian Godshaw; Colin Carroll; Jeffrey Reese; Leslie Thomas; George Chimento

7:54

One-Stage Operations That Performed Total Hip Arthroplasty (THA) and Total Knee Arthroplasty (TKA) Simultaneously for the Patients With Hip and Knee Osteoarthritis
Kazuhisa Kurogi; Hidetaka Higashi; Kazuhiro Oinuma; Hideaki Shiratsuchi; Yoko Miura; Tatsuya Tamaki; Taisi Ninomiya; Yoshiatsu Nakakita; Ayako Kurogi

8:35

Blood management strategy for elective hip and knee arthroplasty
Michael Bolognesi

8:42

8:47

Combined Treatment of Intra-Operative Cell Salvage and Tranexamic Acid: Are There Added Benefits?
Thea Miller; Samuel W. Golenbock; Stephen Murphy; Marie Anderson; Carl Talmo

8:53

Do Preoperative Carbohydrate-Rich Drinks Decrease Postoperative Nausea and Vomiting in Total Knee Arthroplasty?
Allen Kadado; Kamil Bober; Charles Yu; Noel Akioyamen; Trevor North; Michael Charters

8:59

Aspirin Thromboprophylaxis Does Not Associate With VTE Following Lower Extremity Arthroplasty: A Retrospective Analysis of 3778 Cases at a Single a Diverse Healthcare System
Zachary Berliner; Gregg Husk; Bushra Mina; David Rosenberg; Barton Nisonsan; Zenobia Brown; Matthew S Hepinstall

9:05

9:11

Peri-Articular Injection Has Longer Pain Relief Than Regional Adductor Canal Block Using Extended Release Liposomal Bupivacaine in Total Knee Arthroplasty: A Randomized Prospective Clinical Trial
Morteza Meftah

9:17

Pain Control After Total Hip Arthroplasty: A Randomized Trial Determining Efficacy of Fascia Iliaca Compartment Blocks in the Immediate Postoperative Period
Kamil Bober; Michael Charters; Allen Kadado; Trevor North

9:23

Spinal and Epidural Anesthesia for Total Hip Arthroplasty Are Associated With Shorter Length of Stay and Fewer Complications Compared With General Anesthesia
Lauren Nowak; Emil Schemitsch

9:29

8:35

What Does the Data Tell Us About Total Hip Bearings in 2019?
Steven MacDonald

8:42

8:47

Effects of Head Size and Patient Age on Long Term Results of Ceramic on Ceramic Hip Arthroplasties. a New Zealand Arthroplasty Registry Report
Laurent Sedel; Rocco Pitto

8:53

Wear and Survival Rate of Total Hip Arthroplasty Using 3rd Generation Ceramic Head on Conventional Polyethylene Articulation; Minimum 15-Year Follow-Up
Chan Ho Park; Jun-Il Yoo; Jung-Taek Kim; Yong-Han Cha

8:59

Evaluating the Midterm Safety and Efficacy of a Hydroxyapatite-Coated Femoral Stem: Interim Results From a Prospective, Multi-Centre, Observational Study
Nicolas Haffner; Vinzenz Auersperg; Vinay Bhal; Sarah Mercer; Martin Koenigshofer; Helmut Rattinger; Peter Ritschl

9:05

9:11

Increasing Revision Rates Over Time in Patients With Neck-Modular Total Hip Arthroplasty
Daisuke Inoue; Camilo Restrepo; Blake Nourie; Santiago Restrepo; William Hozack

9:17

Neck-Sparing Short-Stem Femoral Implants Are Clinically Beneficial: A Meta-Analysis
Sivan Sivaloganathan; Ciara Harman; Loic Villet; Charles Riviere

9:23

Radiostereometric Analysis of a Novel Reverse Total Hip System
Thomas Turgeon; Colin Burnell; David Hedden; Trevor Gascoyne; Eric Bohm

9:29

8:35

Insights into TKA patient kinematics from combining computer navigation, RSA, and gait analysis
Janie Wilson

8:42

8:47

Implementation of a Forward Solution Mathematical Model to Predict FB vs. MB TKA Kinematics
Milad Khasian; Michael LaCour; Garett Dessinger; Bradley Meccia; Richard Komistek

8:53

Kinematic Validation of a Surface-Guided Articulation Concept for Total Knee Replacement
Trevor Gascoyne; Shabnam Pejhan; Eric Bohm; Urs Wyss

8:59

Comparison of Contact Kinematics Between an Anatomically and Non-Anatomically Designed Total Knee Replacement
Jordan Broberg; James Howard; Brent Lanting; Edward Vasarhelyi; Xunhua Yuan; Richard W McCalden; Douglas Naudie; Matthew Teeter

9:05

9:11

Causes of Posterior Rim Contact on the Tibial Insert Using Anatomic, Fixed Bearing, Posterior Cruciate-Retaining Components
Stephanie Nicolet-Petersen; Augustine Saiz; Trevor Shelton; Stephen Howell; Maury Hull

9:17

Varus-Valgus and Axial Rotational Constraints of Primary Posterior-Stabilized Total Knee Designs
Hyung Jin Sun; Daniel Choi; Joseph Lipman; Peter Sculco; Douglas E Padgett; Timothy Wright

9:23

Revision Knee Prosthesis – Which Stem to Use?
Valerie Polster; Dario Guttowski; Gerd Huber; Jakob Nuechtern; Michael Morlock

9:29

10:05

Utilization of a Novel Opioid Sparing Protocol in Primary THA Results in Reduced Opiate Consumption and Improved Functional Status
Bill Macaulay

10:12

10:17

Are Opioids Overprescribed for Patients Following Total Joint Replacement?
Maureen Dwyer; Catharine Tumpowsky; Christopher Melnic; Hany Bedair

10:23

Opioid Naive Surgeons and Opioid Tolerant Patients: Can Education Alter Prescribing Patterns?
Connor King; David Landy; Alex Bradley; Bryan Scott; John Curran; Shwetha Devanagondi; Tessa Balach; Megan Conti Mica

10:29

A Novel Opioid-Sparing Pain Management Protocol Following Total Hip Arthroplasty: Effects on Opioid Consumption, Pain Severity, and Patient Reported Outcomes
Jonathan Gabor; Jorge Padilla; Ran Schwarzkopf; Roy Davidovitch

10:35

10:41

A Holistic Approach to Optimize the Pain Management Strategy After Tka: A Prospective Observational Report
Philippe Van Overschelde

10:47

Opioid Use Increases Venous Thromboembolic Complications, Readmission Rates, and Cost Following Primary Total Knee Arthroplasty
Samuel Swiggett; Rushabh Vakharia; Karim Sabeh; Wayne Cohen-Levy; Nipun Sodhi; Ajit Vakharia; Michael Mont; Martin Roche

10:53

Why Are Joint Replacement Patients Using Opioids Following Surgery?
Maureen Dwyer; Catharine Tumpowsky; Christopher Melnic; Hany Bedair

10:59

10:05

Effect of tissue releases on patient outcomes and joint kinematics
Brent Lanting

10:12

10:17

The Influence of Tolerability of Varus/valgus Sterss on Post-Operative Result in Total Knee Arthroplasty – Kinematic Analyses During Computer Assisted Surgery
Shuya Tanaka; Katsumasa Tei; Masaya Minoda; Shigeru Matsuda; Koji Takayama; Tomoyuki Matsumoto; Ryosuke Kuroda

10:23

A Randomized Controlled Trial of Outcomes in Free-Hand Versus Sensor-Guided Balancing in Total Knee Arthroplasty: Results From the Short Term
Nana Sarpong; Emma Jennings; Matthew Grosso; Josephine Coury; Michael Held; Akshay Lakra; Roshan Shah; John Cooper; Jeffrey Geller

10:29

Soft-Tissue Release Rates in Robotic-Assisted Gap-Balancing and Measured-Resection TKA.
Jeffrey Lawrence; John Keggi; Jan Albert Koenig; Corey E. Ponder; Amber Randall; Jeffrey DeClaire; Sami Shalhoub; Edgar Wakelin; Christopher Plaskos

10:35

10:41

The Impact of Intra-Operative Coronal Midflexion and Flexion Balance on Early Post-Operative Pain in TKA
Edgar Wakelin; Sami Shalhoub; Jeffrey Lawrence; Jeffrey DeClaire; Jan Albert Koenig; Corey E. Ponder; Amber Randall; John Keggi; Christopher Plaskos

10:47

Influence of Soft Tissue Balancing With Continuous Determination of Distraction Force on Patient-Reported Outcome Measures After Total Knee Arthroplasty.
Tomohiro Okayoshi; Yoshinori Okamoto; Hitoshi Wakama; Shuhei Otsuki; Kousuke Nakagawa; Masashi Neo

10:53

Intra-Operative, Real-Time Coronal Ligament Balance and Its Effect on Patient-Reported Outcomes
Jeffrey DeClaire; Jeffrey Lawrence; John Keggi; Amber Randall; Corey E. Ponder; Jan Albert Koenig; Sami Shalhoub; Edgar Wakelin; Christopher Plaskos

10:59

10:05

Does Hip Femoral Stem Design Impact Implant Migration and Patient Recovery Following a Primary Direct Anterior Total Hip Arthroplasty?
Maxwell Perelgut; Brent Lanting; Matthew Teeter

10:12

10:17

In-Vivo Kinematics of Normal, Degenerative, and Implanted Hip Joints
Garett Dessinger; Jarrod Nachtrab; Michael LaCour; Richard Komistek

10:23

The Effect of Patient BMI on Bearing Kinematics in Dual Mobility Total Hip Arthroplasty
Brittany Marshall; Luke Storer; Casey Myers; Chadd Clary; Ryan Keefer

10:29

Availability of Dual Mobility or Constrained Liners, More Than Fixation Surface, Influences Risk of Revision for Mechanical Failure With Modern Cementless Acetabular Components
Gloria Coden; Tara Moore; Shazaan Hushmendy; Matthew S Hepinstall

10:35

10:41

Translational Safe Zone: Does It Really Exist?
Michael LaCour; Jarrod Nachtrab; Manh Ta; Richard Komistek

10:47

What Is the Influence of Pelvic Incidence on Post-Operative Cup Orientation? an EOS Study on 310 Patients With Primary Total Hip Prosthesis
Jean Yves Lazennec; Youngwoo Kim; Dominique Folinais; Aidin Eslam POUR

10:53

Influence of Morphology of Acetabular Component and the Anterior Overhang on Iliopsoas Impingement After Total Hip Arthroplasty and Its Therapeutic Result
Takuro Ueno; Tamon Kabata; Yoshitomo Kajino; Daisuke Inoue; Junya Yoshitani; Ken Ueoka; Yuki Yamamuro; Hiroyuki Tsuchiya

10:59

11:10

Backside Wear of Tibial Polyethylene Components Is Affected by Gait Pattern: a Knee Simulator Study Using Rare Earth Tracer Technology
Markus Wimmer; Valentina Ngai; Joachim Kunze; Johannes Cip; Michel Laurent; Joshua Jacobs

11:20

11:25

Virtual Reality Training Improves Resident Performance in Open Surgery: A Randomized Controlled Trial in Total Hip Replacement
Kartik Logishetty; Justin Cobb

11:35

11:40

Using Clinical Outcomes to Improve Laboratory Simulations
Harry McKellop

11:50

13:05

Is dislocation still a problem in THA?
Nobuhiko Sugano

13:12

13:16

Nationwide Trends in Discharge Pattern and Peri-Operative Outcomes Following Total Hip Replacements by Sex
Adam Green; Nicholas Schraut; Matthew Deren

13:22

Postoperative Excessive Anterior Acetabular Coverage Is Associated With Decrease in Range of Motion After Periacetabular Osteotomy
Shinya Hayashi; Shingo Hashimoto; Koji Takayama; Tomoyuki Matsumoto; Ryosuke Kuroda

13:28

Acetabular Reconstruction Using a Roof Reinforcement Ring With Hook for Total Hip Arthroplasty in Developmental Dysplasia of the Hip-Osteoarthritis – Minimum 22-Year Follow-Up Results
Markus Hanke; Simon Steppacher; Florian Schmaranzer; Pascal Haefeli; Klaus A. Siebenrock; Moritz Tannast

13:34

13:40

Length of Stay Post Total Hip Arthroplasty Is Associated With the Risk of Complications
Lauren Nowak; Emil Schemitsch

13:46

A Modular Neck Hip Prosthesis Effectively Changes the Anatomical and Functional Anteversion Angles in Total Hip Arthroplasty for Development Dysplasia of the Hip
Keisuke Uemura; Ema Nakahara; Wataru Ando; Hidetoshi Hamada; Masaki Takao; Nobuhiko Sugano

13:52

Thigh Pain in Chinese THA Patients With Proximally Coated Tapered Wedge Short Stem – Incidence and Risk Factors
Dejin Yang; Yong Huang; Yixin Zhou; Jinqing Zhang; Hongyi Shao; Hao Tang

13:58

14:04

Risk Factors Analysis of Patient-Reported Outcome Measures After Cemented THA in Patients Aged 75 Years or Older: A Minimum 5-Year Follow-Up
Yoshinori Okamoto; Shuhei Otsuki; Hitoshi Wakama; Tomohiro Okayoshi; Masashi Neo

14:10

Long-Term Clinical Outcomes and Survivorship of Total Hip Arthroplasty for Pyogenic Arthritis: A Retrospective Cohort Study of 168 Hips
Jun-Li Liu; Wei-Nan ZENG; Duan Wang

14:16

13:05

Optimizing Implant Materials For TKA
Orhun Muratoglu

13:16

Value of Preoperative 3D Imaging in TKA
Richard Komistek

13:27

Robotics Use in TKA: Holy Grail or Tool of the Devil?
Henry Clarke

13:38

Optimizing Cement Technique In TKA
Douglas Dennis

13:49

Are We Resurfacing Too Many Patellae?
Steven MacDonald

14:00

13:05

Solutions for complex reverse total shoulder arthroplasty in the presence of bone erosions
Josh Giles

13:12

13:16

Risk Factors for Acromial and Scapular Fractures After Reverse Shoulder Arthroplasty: Analysis of 4125 Patients
Christopher Roche; Richard J Friedman; Ryan Simovitch; Pierre Henri Flurin; Thomas Wright; Joseph Zuckerman; Howard Routman

13:22

Glenosphere and Humeral Stem Fixation in Reverse Total Shoulder Arthroplasty: a Prospective, Randomized Clinical Trial
Madeleine Van De Kleut; George Athwal; Xunhua Yuan; Matthew Teeter

13:28

In Vivo Kinematics and Strength After Reverse Shoulder Arthroplasty
Albert Lin; Gillian Kane; Alexandra Gabrielli; Kevin Wilson; Clarissa LeVasseur; William Anderst

13:34

13:40

Glenoid Versus Humerus Lateralized Design of Reverse Shoulder Arthroplasty: Comparison of Clinical and Radiographic Outcomes With Minimum 2-Year Follow-Up
Bongseok Choi; Weon-Yoo Kim; Jong-Hun Ji; Hwanhee Lee

13:46

Variability of Joint Force Direction on the Glenoid Among Patients and Activities of Daily Living
Philippe Favre; Philipp Damm; Joern Dymke; DirkJan (HEJ) Veeger; Georg Bergmann; Frans van der Helm; Dimitra Blana; Bart Bolsterlee; Christine Mueri

13:52

Mixed Implant Debris Causes a Strong Macrophage Response in Anatomic and Reverse Total Shoulder Arthroplasties
Deborah Hall; Grant Garrigues; Kassie Blanchard; Kassie Blanchard; Elizabeth Shewman; Gregory Nicholson; Robin Pourzal

13:58

14:04

Trends in Anatomic Total Shoulder Arthroplasty Glenoid Implant Selection and Placement Between High and Low Volume Surgeons: A Survey of 172 Shoulder Specialists
Alexander Greene; Ira Parsons; Richard Jones; Ari Youderian; Ian Byram; Rick Papandrea; Emilie Cheung; Thomas Wright; Joseph Zuckerman; Pierre Henri Flurin

14:10

The Use of Navigation in Reverse Shoulder Arthroplasty: Preliminary Report of 11 Cases.
Luigi Tarallo; Giuseppe Porcellini; Andrea Giorgini; Andrea Pellegrini; Fabio Catani

14:16

14:25

Will robotic surgery and tissue balancing lead to better long term outcomes?
Fabio Catani

14:32

14:37

Short Term Clinical Results of BiCruciate Retaining Total Knee Arthroplasty.
Taisei Kawamoto; Satoshi Iida; Kotaro Sakashita

14:43

Assessment of Numerous Risk Factors for Manipulation Under Anesthesia After Total Knee Arthroplasty
David Markel; Paul Knapp; Luke Weishuhn; Natalie Pizzimenti

14:49

Eight Calcaneal Stress Fractures After Ipsilateral Total Knee Arthroplasty
Michitaka Kato; Hideki Warashina

14:55

15:04

Guided Motion Total Knee Arthroplasty (TKA) in Patients With BMI of 40 Kg/m2 or More: Results From the International Multicenter Study of 2,059 Primary TKAs With Up to 6 Years Follow-Up
Adam Harris; Bernhard Christen; Jan Malcorps; Christopher O’Grady; Paul Sensiba; Hilde Vandenneucker; Bill Huang; Harold Cates; John Hur; Dante Marra; Branko Kopjar

15:10

Comparison of Complications, Readmission Rates, and in-Hospital Lengths of Stay Between Octogenarians and Non-Octogenarians Following Primary Total Knee Arthroplasty
Shanell Disla; Zaimary Meneses; Ajit Vakharia; Rushabh Vakharia; Martin Roche

15:16

15:22

To What Extent Is Patient Satisfaction in Knee Society Score Correlated With Other Patients-Reported Outcome Measures?
Takuya Tamaoka; Hirotsugu Muratsu; Shotaro Tachibana; Yoshihito Suda; Takashi Oshima; Takaaki Koga; Tomoyuki Matsumoto; Akihiro Maruo; Hidetoshi Miya; Ryosuke Kuroda

15:28

Rotating Hinge Prosthesis in Difficult Primary Total Knee Arthroplasty
Gennady Kuropatkin; Olga Sedova

15:34

14:25

Big Data Introduction
Andy Engh

14:26

What We Can Learn From Arthroplasty Registries.
David Lewallen

14:34

What We Can Learn From Administrative Datasets.
Michael Bolognesi

14:42

14:56

Hip Dislocation Introduction
Andy Engh

14:57

Dislocation and Spinal Pelvic Mobility
Ran Schwarzkopf

15:05

Surgical Approach Has Greatest Influence on Dislocation
Bill Macaulay

15:13

Femoral and Acetabular Position: Hitting Your Target
Doug Padgett

15:21

14:25

Intra-Operative Verification of the Glenoid Implant Position With Structured Light Imaging in Total Shoulder Arthroplasty
Cari Whyne

14:32

14:36

Effect of Screw Length and Screw Number on Reverse Shoulder Glenoid Fixation for Two Baseplate Designs
Caitlin DiGeorgio; Jose Yegres; Jennifer VanDeven; Nick Stroud; Emilie Cheung; Sean Grey; Jae Chul Yoo; Rahul Deshmukh; Lynn Crosby; Christopher Roche

14:42

Reverse Total Shoulder Arthroplasty Baseplate Stability in Superior Bone Loss With Augmented Implant
Elise Martin; Thomas Duquin; Mark Ehrensberger

14:48

An Alternative Method to Measure Glenoid Loosening After Rocking Horse Test
Saandeep Mani; Ravikumar Varadarajan; Diego Orozco-Villasenor

14:54

15:00

Assessment of Intra-Articular Loads During rTSA to Objectivate Shoulder Stability
Moby Parsons; Matthias Verstraete; Alexander Greene; Christopher Roche; Michael Conditt; Joseph Decerce

15:06

Humeral Short Stem Varus-Valgus Angulation Affects Bone Stress in Total Shoulder Arthroplasty
Amir Tavakoli; Kenneth J. Faber; G. Daniel G. Langohr

15:12

Polyethylene Wear Measurement Following Reverse Total Shoulder Arthroplasty: An in Vivo Pilot Study With Minimum 6-Year Follow-Up
Madeleine Van De Kleut; George Athwal; Xunhua Yuan; Matthew Teeter

15:18

15:24

Tribological Performance of PyroCarbon Component Against Polyethylene Counterpart in Anatomic Total Shoulder Arthroplasty
Israel Ramirez-Martinez; Thomas J Joyce; Ian A. Trail; Simon Smith

15:30

Impact of Screw Configuration on Graft Micromotion in BIO-RSA Applied to the B2 Glenoid
Carson Studders; Dave Saliken; Hooman Shirzadi; George Athwal; Joshua Giles

15:36

16:10

Kinematic alignment for THA
Charles Riviere

16:17

16:22

Does Lumbar Spinal Fusion Affect THA Stability: an Evaluation of Surgical Approach for THA
Dhruv Goyal; Gregory Schroeder; Chris Kepler; Eric Grossman; Joseph Lee; William Hozack

16:28

Patients Perception of Leg Length After Total Hip Arthroplasty in Case of Stiff Lumbar Spine: Correlations With the Anatomical Leg Length and the Functional Orientation of Lower Limbs and Pelvis
Jean Yves Lazennec; Youngwoo Kim; Dominique Folinais; Remi Caron; Aidin Eslam Pour

16:34

How Can Patients With Mobile Hips and Stiff Lumbar Spines Be Identified Prior to Total Hip Arthroplasty? – a Prospective, Diagnostic Cohort Study
Moritz Innmann; Christian Merle; Volker Ewerbeck; Philippe Phan; Paul E. Beaule; George Grammatopoulos

16:40

16:46

Posterior Pelvic Tilt and Cup Position Changes in Patients Undergoing Total Hip Arthroplasty. Radiographic Study With a Minimun Follow-Up of 10 Years.
Eduardo Garcia-Rey; Eduardo Garcia-Cimbrelo

16:52

Pelvic Tilt and Rotation Measured Using Handheld Navigation for Acetabular Component Positioning During Direct Anterior Total Hip Replacement
Rachelle Morgenstern; Thomas Alastair Denova; Edwin Su

16:58

Relative Femoral and Acetabular Implant Orientation in Standing Position in THA Patients: A Preliminary EOS Study
Jean Yves Lazennec; Youngwoo Kim; Remi Caron; Dominique Folinais; Aidin Eslam Pour

17:04

16:10

What Is the Effect of Posterior Osteophytes on Flexion and Extension Gaps in Total Knee Arthroplasty? a Cadaveric Study
David Holst; Gary Doan; Marc Angerame; Martin William Roche; Chadd Clary; Douglas Dennis

16:17

16:22

What Compartmental Loads Constitute a Balanced Knee?
Alexander Gordon; Gregory Golladay; Matthias Verstraete; Michael Conditt

16:28

Evaluation of Load Distribution With an Intraoperatively Placed Sensor After Conventional Gap Balancing Using a Tensiometer in Total Knee Arthroplasty
Cheol Hee Park; Se Gu Kang; Sang Jun Song

16:34

Ligament Tension and Balance in Robotic-Assisted TKA – Dynamic Changes With Increasing Applied Force
Jeffrey Lawrence; Dylan Lawrence; Sami Shalhoub; Christopher Plaskos

16:40

16:46

Total Knee Balance via Component Realignment- Predicting Who Will Still Need a Soft Tissue Release
Kenneth Gustke; Todd Morrison

16:52

Balancing the Valgus Knee Through an Arcuate Release
Ryan Moore; Martin Roche; Matthias Verstraete; Michael Conditt

16:58

Gap Modifications Following Mechanically Aligned Total Knee Arthroplasty
Pascal-Andre Vendittoli; William Blakeney; Benjamin Puliero; Yann Beaulieu; Marc-Olivier Kiss

17:04

16:10

Human Activity Recognition – Methods and Emerging Applications in Orthopaedics
Cari Whyne

16:17

16:22

Classification of Static and Dynamic Activities From a Leg-Instrumented Wearable Sensor System
Riley Bloomfield; Kenneth McIsaac; Matthew Teeter

16:28

Deep Learning for Activity Classification and Instantaneous Estimation of Patient Mechanics
William Burton; Casey Myers; Paul Rullkoetter

16:34

Comparison of the Accuracy Associated With 3 Different Machine Learning Models to Predict Outcomes After aTSA & rTSA
Christopher Roche; Ryan Simovitch; Pierre Henri Flurin; Thomas Wright; Joseph Zuckerman; Howard Routman

16:40

16:46

Automated Detection & Classification of Knee Arthroplasty Using Deep Learning
Julius Oni; Paul Yi; Jinchi Wei; Tae Kyung Kim; Haris Sair; Jan Fritz; Gregory Hager

16:52

Toward Real-Time Simulation: Neural Network Representation of TKR-Implanted Lower Extremity Model
Chase Maag; Jason Langhorn; Paul Rullkoetter

16:58

Development of Machine Learning Algorithms for Prediction of Sustained Postoperative Opioid Prescriptions After Total Hip Arthroplasty
Aditya Karhade; Hany Bedair; Joseph Schwab

17:04

17:19

Intravenous Sequential Long Time Oral Tranexamic Acid in Enhanced-Recovery Primary Total Knee Arthroplasty Without Tourniquet Application: A Randomized Controlled Trial
Wei-Nan ZENG; Jun-Li Liu; Duan Wang

17:26

The Clinical Characteristics of Patients Receiving Anti-Coagulants for Deep Vein Thrombosis After Total Knee Arthroplasty
Kotaro Sakashita; Taisei Kawamoto; Satoshi Iida

17:33

Pay Attention to SpO2 in Asymptomatic Pulmonary Embolism After Total Knee Arthroplasty.
Atsushi Sato; Takaaki Kanazawa; Takayuki Koya; Takayuki Okumo; Shin Kato; Fumiyoshi Kawashima; Hidenori Tochio; Yushi Hoshino; Kazunari Tomita; Hiroshi Takagi

17:40

Weight-Bearing Low Field MRI After Total Knee Arthroplasty in Patient With and Without Complaints.
F.F. Schroder; Corine Post; F.J.J. Simonis; F.B.M. Wagenaar; R. Huis In’t Veld; Nico Verdonschot

17:47

Altering Physical Therapy After Total Knee Arthroplasty Using Statistics as the Foundation: An Innovative Framework for Improved Clinical Decision Making
Ryan Chapman; Wayne Moschetti; Douglas Van Citters

17:54

Equivalent Short-Term Outcomes and Decreased Length of Stay: Satellite Community Hospitals Are a Viable Option for Total Knee Arthroplasty
Johanna Dobransky; Andrew Bodrogi; Brian Chen; Geoffrey F Dervin; Robert J Feibel; Wade Gofton; Paul Kim; Paul E. Beaule

18:01

Mepivacaine Spinal Anesthesia Facilitates Shorter Lengths of Stay and Fewer Urinary Complications in Total Hip Arthroplasty Compared to Bupivacaine
Jonathan Shaw; M. Chad Mahan; Justin Jabara; Toufic Jildeh; Jason Davis

17:15

A New Method for Correcting for Pelvic Tilt on Anteroposterior Pelvic Radiographs in THA
Jeff Muir; John Vincent; Joseph Schipper; Varsha Gobin; Meinusha Govindarajan; Karlina Fiaes; Jonathan Vigdorchik

17:21

Accuracy of Acetabular Cup Positioning Using CT-Based Three-Dimensional THA Preoperative Planning
Isao Abe; Chikashi Shirai

17:27

Trends in Cup Position Utilizing Computer-Assisted Navigation During Total Hip Arthroplasty
Rachel R. Mays; Jessica R. Benson; Jeff Muir; Peter White; Morteza Meftah

17:33

Mechanical Properties of Scar Tissues of the Hip Capsule Are Different Regarding Implant Materials
Laurent Sedel; Angelina Avgeri; Elisa Budyn; Pascal Bizot

17:39

Advers Reaction to Metal Debris Fllowing Modular Neck Stem Metal-on-Metal Total Hip Arthroplasty Accompanined by a Dual-Modular Component
Shoya Abe; Hirokazu Iwata; Akihiko Ezaki; Hirokazu Ishida; Kousuke Sakata; Houzou Matsuoka; Eiji Sogou; Katsuhiko Nannno; Sanae Kuroda; Shigeko Nakamura; Junzou Hayashi; Tsuyoshi Nakai

17:15

Successful Re-Implantation Surgery Following Extraction of Well-Fixed Cementless Stems by Femoral Longitudinal Split Procedure
Satoshi Nagoya; Ima Kosukegawa; Kenji Tateda; Toshihiko Yamashita

17:21

Design of Experiment to Optimize Seating Accuracy of Modular Wagner Style Revision Distal Stem Implant While Maintaining Axial and Torsional Stability
Adam Shallenberg; Aaron Zimmel; Bryan Kirking

17:27

Outcomes and Survivorship After Conversion of Failed Hip Hemiarthroplasty to Total Hip Arthroplasty
Nana Sarpong; Matthew Grosso; Akshay Lakra; Josephine Coury; Carl Herndon; Emma Jennings; Roshan Shah; Jeffrey Geller; John Cooper

17:33

The International Normalized Ratio (INR) as a Predictive Value for Perioperative Complications in Revision Total Hip Arthroplasty
Nicholas R. Arnold; Linsen T. Samuel; Jaret Karnuta; Mohammed A. Munim; Assem A. Sultan; Atul Kamath

17:39

A Case of Foreign Body Granuloma With Hydroxyapatite Granules Compressed by the Bladder Wall After Revision Total Hip Arthroplasty
Hiroki Nomura; Masaaki Maruyama

17:45

Acetabular Reconstruction With Impacted Morselized Allograft, Wire Mesh and Cemented Acetabular Cup in Severe Acetabular Bone Defect: Lone Term Follow Up of Clinical and Radiologic Results
Young Soo Chun; Tae Wook Kim; Myeong Guk Jo; Kee Hyung Rhyu; Yoon Je Cho

17:15

Intraoperative Medial Rather Than Lateral Stability Throughout the Range of Motion Correlates With Patient Satisfaction After Cruciate-Retaining Total Knee Arthroplasty
Kazunori Hino; Hiromasa Miura; Tatsuhiko Kutsuna; Kunihiko Watamori; Hiroshi Kiyomatsu; Tomofumi Kinoshita

17:21

Impact of Sensor-Assisted Technology on Patient Reported Outcome Measurements, Readmissions, and Complications in Patients Undergoing Primary Total Knee Arthroplasty: A Minimum 2-Year Follow-Up Study
Martin Roche; Rushabh Vakharia

17:27

Outcome and Soft Tissue Balance of Total Knee Arthroplasty Performed for Stiff Knees
Satomi Abe; Hitoshi Nochi; Hiroshi Ito

17:33

Decreasing Peak Contact Pressure Improves Kneeling Ability After Total Knee Arthroplasty
Kunihiko Watamori; Kazunori Hino; Tatsuhiko Kutsuna; Hiroshi Kiyomatsu; Tomofumi Kinoshita; Hiromasa Miura

17:39

Following the Functional Stability Concept During TKA by the Use of a Sensoric Device, First Results With 1 Yr. FU
Thomas Paszicsnyek; Bernardo Innocenti; Edoardo Bori; Christoph Stiegler

17:15

Gradually Reducing Radius Knee System Is Superior to Single Radius System in Early Clinical Outcomes After Total Knee Arthroplasties in Asians: Retrospective, Multicenter, Comparative Analysis
Hyuk-Soo Han; Myung Chul Lee; Chong Bum Chang; Sang Jun Song; Cheol Hee Park; Sungho Won; Juhee Ahn; Nari Shin; HyeJin Park; JiHeon Choi

17:21

Guided Motion Total Knee Arthroplasty (TKA) System in Younger Patients Has a Lower Revision Rate Than Registry Controls: Results From the International Multicenter Study With Up to 6 Years Follow-Up
Adam Harris; Bernhard Christen; Jan Malcorps; Christopher O’Grady; Paul Sensiba; Hilde Vandenneucker; Bill Huang; Harold Cates; John Hur; Dante Marra; Branko Kopjar

17:27

Radiological Outcome of Patellofemoral Tracking at 5 Years: Mobile Bearing vs Fixed Bearing
Yongun Cho; Seok Won Lee; Eugene Kim; Ingyu Lee; Hwa Jae Jeong

17:33

Design Modifications of Knee System Establish Early Learning Curve and Reduce Anterior Knee Pain: CUSUM Analysis
Jeremy Dubin; Yifei Dai; Geoffrey H Westrich

17:39

Design Modifications of Posterior Stabilized Knee System May Reduce Anterior Knee Pain and Reduce Complications Following Total Knee Replacement at Minimum 2 Years Follow-Up
Jeremy Dubin; Yifei Dai; Geoffrey H Westrich

17:45

Comparison of Long-Term Outcomes Using Two Modern Designs for Total Knee Arthroplasty: Triathlon Versus Sigma
Irene Kalbian; Karan Goswami; Nathan John; Santiago Restrepo; Richard H Rothman

17:15

Single Camera Markerless Motion Capture: Novel Low-Cost, Accurate Range of Motion Analysis System on a Handheld Smartphone Allows Patient Specific Treatment and Remote Follow-Up for Outcome Monitoring
Arash Aframian; Edouard Auvinet; Farhad Iranpour; Tom Barker; David Barrett

17:21

Lipoic Acid : A New Safe Antioxidant for Doped UHMWPE in Arthroplasties
Fabio Conteduca; Andrea Ferretti; Ferdinando Iannotti

17:27

Mechanical Tests of Titanium Pieces Manufactured by 3D Printer. Is 3D Printer Useful for Custom Accetabulum
Hirotaka Iguchi; Hiroto Mitsui; Gen Kuroyanagi

17:33

3D Printed Patient-Specific Devices for Acetabular Reconstructions a Series of 11 Case Studies
Jedidiah May; Bethany Oates

17:39

Delivery of Pain-Relieving Drugs From Ultra-High Molecular Weight Polyethylene
Scott Grindy; Dmitry Gil; Shannon Hugard; Orhun Muratoglu; Ebru Oral

17:45

Patient Specific 3D Printed Drill Guides in Revision Hip Arthroplasty
Kris Govaers

17:15

Hollow Stemmed Implants Can Be a Solution to the Problem of Stress Shielding of Proximal Humerus After Shoulder Arthroplasty
Pendar Soltanmohammadi; Ryan Willing; George Athwal

17:21

The Effect of Implant Size on FEA Predicted Micromotion of a Short Humeral Stem
Bryan Kirking; Nathaniel Pyle

17:27

Clinical and Radiological Short-Term Results of Stemless Shoulder Arthroplasty
Yong-Jin Park; Young-Rok Shin; Myung-Jin Sung; Myung-Sun Kim

17:33

Effectiveness and Accuracy of 3-D Printed Patient-Specific Instrument(PSI) in Anatomic and Reverse Total Shoulder Arthroplasty
Myung-Sun Kim; Sang-Don Joo; Yong-Jin Park; Sung-Ju Kang; Min-Cheol Kim

17:39

Correlation Between Rotator Cuff Muscle Fatty Infiltration and Glenoid Morphology in Glenohumeral Osteoarthritis
Ryan Harold; Matthew Hartwell; Patrick Sweeney; Guido Marra; Matthew Saltzman

17:15

Comparison of Wear Debris in Coated Versus Uncoated Femoral Implants in Total Knee Arthroplasty
Satya Nambu; Ethan Baker; Anish Shivaram; Gary Hines

17:21

The Lack of Surface Finish Control of the Trunnion May Contribute to a Large Amount of Metallic Debris and THA Failure
Patricia Ortega Cubillos; Vinicius Dos Santos; Andre Luiz Almeida Pizzolatti; Carlos Rodrigo De Mello Roesler

17:27

Use of Noninvasive Surgical Wound Closure Device With a Surgical Negative Pressure Wound Therapy Device in Total Joint Arthroplasty
Dyana Picache; Shaan Sadhwani; Ryan Shah; Asit K. Shah

17:33

Comparison of Bacterial Adherence Between High-Tensile Strength Suture Wire and Suture Tape Using a Murine Air Pouch Wound Model
Allison Blumenthal; Therese Bou-Akl; Mario Rossi; Bin Wu; Weiping Ren; David Markel

17:39

Surgical Site Infections and Length of Stay After Orthopaedic Surgery: Meta-Analysis Comparing PICO Single-Use Negative Pressure Wound Therapy With Conventional Dressings in Closed Surgical Incisions
Edward Davis; Christopher Saunders; Leo Nherera; Vinay Bhal

17:45

Modelling Periprosthetic Joint Infection in Rats
Charlotte Leape; Wali Sabuhi; Yinbo Xiao; Yingfang Fan; Dmitry Gil; Scott Grindy; Orhun Muratoglu; Jamie Collins; Mark Randolph; Ebru Oral

17:15

Body Weight but Not Body Mass Index Impacts the 12-Year Survival After Mobile Bearing Total Knee Arthroplasty
Jean-Yves Jenny; Dominique Saragaglia

17:21

Knee Bone Mineral Density Change After Total Knee Arthroplasty and Factors Associated With the Change
Do Hwan Han; Seung-Baik Kang; Chong Bum Chang; Moon Jong Chang; Tae Woo Kim; Chan Yoon; Hyung Jun Park; Keummin Hwang

17:27

Joint Perception After Total Knee Arthroplasty and the Forgotten Joint
David Eichler; Benjamin Puliero; Vincent Masse; Pascal-Andre Vendittoli

17:33

Mid-Term Survival of Octogenarians Following Primary and Revision Total Knee Arthroplasties
Sang Jun Song; Se Gu Kang; Cheol Hee Park

17:39

Perioperative Complications in Patients With Rheumatoid Arthritis Following Primary Total Knee Arthroplasty: An Analysis of 102,898 Patients
Ajit Vakharia; Wayne Cohen-Levy; Nipun Sodhi; Rushabh Vakharia; Michael Mont; Martin Roche

7:30

Role of the inflammasome in cell response to wear and corrosion products
Isabelle Catelas

7:37

7:42

Direct Cellular Corrosion of Stainless Steel by Macrophages
Griffin Heise; Caitlin Black; Brian Morrow; Richard Smith; William Mihalko

7:48

Effects of Co and Cr Ions on Glycolytic Flux and the Level of Hypoxia-Inducible Factor-1alpha in Macrophages
Zeina Salloum; Eric A. Lehoux; Mary-Ellen Harper; Isabelle Catelas

7:54

The Effect of Absorbed Squalene on the Bio-Reactivity of UHMWPE Particles
Weiqi Shen; Shota Yasuda; Naohide Tomita

8:00

8:06

The Effect of Electron Irradiation on the Bio-Activity of UHMWPE Particles
Shota Yasuda; Weiqi Shen; Takuma Sugino; Keita Uetsuki; Naohide Tomita

8:12

Comparisons of Renal Function in Metal-on-Metal Total Hip Arthroplasty With Ceramic-on-Ceramic.
Joshua Christian Wood; Bo Zerahn; Soeren Munk Ribel-Madsen; Arne Borgwardt

8:18

Echocardiographic Changes in the Context of Metal-on-Metal Versus Non-Metal-on-Metal Total Hip Arthroplasty
Brian Darrith; Tahsin Rahman; Karthikeyan Ananthasubramaniam; Nicholas Frisch; Joshua Jacobs; Craig Silverton

8:24

7:30

Kinematic alignment technique for UKA
Charles Riviere

7:37

7:42

Bi-Unicondylar Arthroplasty: Near-Normal Gait and Greater Extensor Mechanism Efficiency Compared to Total Knee Arthroplasty
Amy Garner; Oliver Dandridge; Andrew Amis; Richard van Arkel; Justin Cobb

7:48

In Vivo Three-Dimensional Kinematics of Unicompartmental Knee Arthroplasty During Weight-Bearing and Non-Weight-Bearing High-Flexion Activities
Kenichi Kono; Tetsuya Tomita; Hiroshi Inui; Takaharu Yamazaki; Tomofumi Kage; Teruya Ishibashi; Shoji Konda; Masashi Tamaki; Shuji Taketomi; Darryl DLima; Kazuomi Sugamoto; Sakae Tanaka

7:54

Improved Tibial Fixation in Unicompartmental Knee Replacement Using Novel Blade-Based Bone Anchor
Nicholas Slater; Daniel Justin; Edwin Su; Andy Pearle; Brian Schumacher

8:00

8:06

Long-Term Survival Is Similar Between Closed-Wedge High Tibial Osteotomy and Unicompartmental Knee Arthroplasty in Patients With Similar Demographics
Sang Jun Song; Se Gu Kang; Cheol Hee Park

8:12

A Prospective Cohort Study Assessing the Accuracy of Implant Positioning in Manual Jig-Based Unicompartmental Knee Arthroplasty Versus Robotic Unicompartmental Knee Arthroplasty
Babar Kayani; Fahima Begum; Syed S Ahmed; Sujith Konan; Sumon Huq; Jurek Pietrzak; Jenni Tahmassebi; Fares Haddad

8:18

Functional Oucomes of Combined Unicompartmental Knee Replacement and Anterior Cruciate Ligament Reconstruction
Claudio Legnani; Clara Terzaghi; Vittorio Macchi; Enrico Borgo; Alberto Ventura

8:24

7:30

Computational modeling to optimize PSI guide design
Josh Giles

7:37

7:42

Effect of Tibial Variation on Local Bone Strain Differences Following TKA
Thomas Anijs; Dennis Janssen; David Wolfson; Nico Verdonschot

7:48

Impact of Surgical Alignment, Tray Material, PCL Condition, and Patient Anatomy on Proximal Tibial Strains After TKA
Huizhou Yang; Riza Bayoglu; Chadd Clary; Paul Rullkoetter

7:54

Femoral Strain in the Intact and Implanted Femur During ADL Loading
Xiang Chen; Casey Myers; Chadd Clary; Paul Rullkoetter

8:00

8:06

Validation of a Computational Simulation Outcome Prediction Tool in Bilateral Total Knee Arthroplasty Patients
Brad Miles; Joshua Twiggs; Rachel Choi; Andrew Shimmin; Brett Fritsch; Justin Roe; David Parker

8:12

Ability of a Statistical Shape Model of the Caucasian Knee to Predict the Morphology of Any Caucasian Knee
Julien Deckx; Marnic Jacobs; Ingrid Dupraz; Michael Utz

8:18

Material Mapping of QCT-Derived Scapular Models: A Comparison With Micro-CT Loaded Specimens Using Digital Volume Correlation
Nikolas K Knowles; Jonathan Kusins; Mohammadreza Faieghi; Melissa Ryan; Enrico Dall’Ara; Louis Ferreira

8:24

8:35

Tibial Backside Wear Simulation – Establishing Quantitative Dependence on Surface Roughness of Virgin Polyethylene Wear Rate
Oliver Darwish; Hannah Grover; Dermott McHugh; Evan Carlson; Eric Dacus; Douglas Van Citters

8:42

8:47

Force Required for Intraprosthetic Dislocation of Mixed Manufacturer Versus Same Manufacturer Dual Mobility Articulations
Lisa Torres; Leonard Buller; Elexis Baral; Timothy Wright; Michael Ast

8:53

ASTM Impingement of Acetabular Prostheses – Effects of Simulator and Liner Design
Casey Wise; Abimbola Oladokun; Chase Maag

8:59

Acetabular Liner Rim Fracture Test Method Development Study
Elizabeth Hippensteel; Dustin Whitaker; Jason Langhorn

9:05

9:11

Influence of ADLs on the in Vitro Wear of Rotating Platform Knees
Chase Maag; Ioan Cracaoanu; Jason Langhorn; Mark Heldreth

9:17

Pre-Clinical Test Simulating a Severe Debonding Condition of a Zirconium Nitride Multi-Layer Coated Hip Stem Designed for Patients With Metal Ion Hypersensitivity
Thomas Hermle; Ana Laura Puente Reyna; Andreas Pfaff; Uwe Bader; Bernd Fink; Thomas M. Grupp

9:23

Wear Testing of a New Modular Dual Mobility System
Amit Parikh; Carolyn Weaver

9:29

8:35

Revision Total Knee Arthroplasty Using a Novel 3D-Printed Titanium Augment: A Biomechanical Cadaveric Study
Ryan Willing

8:42

8:47

Validation of Model-Predicted Proximal Tibial Displacement and Tray Micromotion in Cementless TKA
Huizhou Yang; Riza Bayoglu; Mohsen Sharifi Renani; Yashar Behnam; Alessandro Navacchia; Chadd Clary; Paul Rullkoetter

8:53

Micromotion of CR and PS Cementless TKA Designs During Two Activities: an Experimental Chapter
John Kyle Mueller; Jeffrey Bischoff; Eik Siggelkow; Charlie Parduhn; Brian Roach; Nick Drury; Marc Bandi

8:59

Micromotion Evaluation and Comparison of a New Cementless Tibial Baseplate
Scott Small; Josh Carter; Eric Dacus; Chris Weaber

9:05

9:11

Validation of Model-Predicted Cementless Patella Displacements During Lunging
Xuzheng Han; Huizhou Yang; Alessandro Navacchia; Paul Rullkoetter; Chadd Clary

9:17

Pre-Clinical Biomechanical Evaluation of Fixation of a Cemented PEEK Femoral Component in TKA
Shaan Sadhwani; Dyana Picache; Dennis Janssen; Lennert de Ruiter; Kathryn Rankin; Adam Briscoe; Nico Verdonschot; Asit K. Shah

9:23

An Acetabular Defect Model to Assess Primary Stability of Different Revision Components
Ronja Schierjott; Georg Hettich; Alexandra Ringkamp; Marc Baxmann; Thomas M. Grupp

9:29

8:35

Detecting Mechanical Loosening of Total Hip Replacement Using Deep Convolutional Neural Network
Alireza Borjali; Antonia Chen; Orhun Muratoglu; Kartik Mangudi Varadarajan

8:42

8:47

Digital Tomosynthesis Might Change Radiological Assessment of Total Hip Arthroplasty -Clinical Utility and Application of Digital Tomosynthesis in Radiological Assessment of Total Hip Arthroplasty-
Masaaki Maruyama; Hiroki Nomura

8:53

Use of Computer Tomography Imaging for Analyzing Bone Remodeling Around an Osseointegrated Implant
Zakary Wankier; Sarina Sinclair; Alex Drew; Carolyn Taylor; Erik Kubiak; Jayant Agarwal

8:59

Development of a pre-operative planning computation tool to simulate virtual surgery & predict post-operative results
Manh Ta; Richard Komistek

9:05

9:11

Can Measurements From an Anteroposterior Radiograph Predict Pelvic Sagittal Inclination?
Keisuke Uemura; Masashi Okamoto; Kunihiko Tokunaga; Andrew Anderson

9:17

Correcting for Pelvic Rotation on Anteroposterior Pelvic Radiographs
Jeff Muir; Jessica R. Benson; Jean Napenas; Jonathan Vigdorchik

9:23

Deep Learning of Automatic Image Segmentation for TKR in RSA
Xunhua Yuan; Yingli Lu; Terry Peters; David Holdsworth

9:29

10:05

Taper Design, Head Material, and Manufacturer Affect the Onset of Fretting Under Simulated Corrosion Conditions
Colin YL Woon; Amanda Wach; Timothy Wright; Douglas E Padgett

10:12

10:17

Modular Head-Neck Taper Fretting Mechanics: Si3N4 vs CoCrMo Head on Ti-6Al-4V Trunnion
Piyush Khullar; Jeremy Gilbert; Dongkai Zhu

10:23

Insights Into Imprinting – a Phenomenon of Corrosion at the Head-Neck Taper Interface in Total Hip Arthroplasty
Therese Bormann; Ulrike Mueller; J. Philippe Kretzer

10:29

Strength, Corrosion, and Wear Performance of Modular Total Hip Arthroplasty With a PEEK Sleeve Interposed Between Femoral Head and Stem
Sourabh Boruah; Miriam Chaudhary; Balaji Prabhu; Andrew Wood; Orhun Muratoglu; Kartik Mangudi Varadarajan

10:35

10:41

Fatigue Strength Reduction of Titanium Alloy Ti-6Al-4V Due to Electrocautery Contact
Sebastian Zobel; Gerd Huber; Mia King; Daniel Pfeiffer; Michael Morlock

10:47

Fracture Strength of Composite Ceramic Heads With Adapter Sleeves on Damaged Stem Tapers
Michael Morlock; Emilie Dickinson; Kay Sellenschloh

10:53

Fracture Strength of Ceramic Heads With and Without Option Sleeve After Stem Taper Damage
Adrian Falkenberg; Emilie Dickinson; Michael Morlock

10:59

10:05

Kinematically Versus Mechanically Aligned Medial Pivot Design TKA: A Case Control Study
Charles Rivière; Ciara Harman; Cedric Maillot; Thomas Parsons

10:12

10:17

Functional Outcomes Following Total Knee Arthroplasty (TKA): A Randomized Trial Comparing Traditional Mechanical Alignment (MA) With Adjusted Mechanical Technique (AMA)
Alessandro Paglia; Remo Goderecci; Vittorio Calvisi

10:23

Intraoperative Evaluation of Gap Pattern Using Digital Balancer in Total Knee Arthroplasty
Naoki Seito; Koji Suzuki; Susumu Mikami; Jun Uchida; Noriyuki Hara

10:29

Accuracy of Reference Axes for Femoral Component Rotation in Total Knee Arthroplasty: Computed Tomography-Based Study of 2,128 Femora
Ilya Borukhov; Eugene Jang; Sally LiArno; Ronald Connors-Ehlert; Jeffrey Geller; H. John Cooper; Roshan Shah

10:35

10:41

Local Distal Sagittal Femoral Orientation: Comparison Between Practically Available Measures
Scott Logan; Ahmad Faizan

10:47

The Positioning of the Patellar Component Influences Patellofemoral Dynamics After Unconstrained Total Knee Arthroplasty
Maeruan Kebbach; Andreas Geier; Martin Darowski; Sven Krueger; Christoph Schilling; Thomas M. Grupp; Rainer Bader

10:53

Comparison of Intercompartmental Loads Using an Intraoperative Load Sensor After Tensiometer-Assisted Balancing Between Cruciate Retaining and Posterior Stabilized Total Knee Arthroplasty
Sang Jun Song; Se Gu Kang; Cheol Hee Park

10:59

10:05

Stiffness, anisotropy and fatigue strength of additively manufactured porous structures
Jonathan Jeffers; Umar Hossain; Max Munford; Shaaz Ghosue

10:15

10:20

Morphologic, Mechanical and Wear Properties for AM Open-Cell Porous Ti Structures
Pierfrancesco Robotti; Valerio Luchin; Federico Galeotti; Alberto Molinari

10:26

Evidence of Structural Defects in 3D Printed Acetabular Cups
Harry Hothi; Lorenzo Dall’Ava; Johann Henckel; Anna Di Laura; Paul Shearing; Alister Hart

10:32

10:38

Mechanical Testing of a Novel 3D-Printed Femoral Stem Under Dynamic Loading
Douglas Unis; Sulaiman Somani; Nathan Ho; Edward Ebramzadeh; Judith Martinez; Sophia Sangorgio

10:44

Development of Software for the Computational Assessment of Patient Specific Guide Docking Rigidity
Erik Bedard; Joshua Giles

10:50

Experimental Analysis of the Docking Rigidity of Patient Specific Guides
Emma Darby; Carson Studders; Joshua Giles

10:56

11:10

The Effect of Femoral Head Material on the Locking Strength and Contact Area of Modular Couplings
Hugh Jones; Elizabeth Foley; Katherine Garrett; Philip Noble

11:17

11:22

Effects of Mismatch Angle and Surface Finish on Assembly Mechanics of Modular Hip Tapers
Jonathan Gustafson; Brett Levine; Robin Pourzal; Hannah Lundberg

11:28

Influence of the Taper Surface Topography on Wear and Contact Mechanics During Axial Assembly of a Ceramic Head and Metal Stem
Kim Haeussler; Thomas Pandorf

11:34

A Novel Validated Finite Element Analysis Model for Simulating Modular Junctions
Sabir Ismaily; Jesal Parekh; Shuyang Han; Hugh Jones; Philip Noble

11:40

11:46

High-Speed DIC to Evaluate Head-Taper Junction Interactions During Impaction
Raga Rajaravivarma; Ananthkrishnan Gopalakrishnan

11:52

Effect of Material and Surgeon Experience Level on Head/stem Assembly Loads During Tha
Kirsten Sipek; Jonathan Gustafson; Stephanie McCarthy; Deborah Hall; Hannah Lundberg; Brett Levine; Robin Pourzal

11:58

One or Multiple Strikes? a Computational Assessment of Modular Taper Assembly in Total Hip Arthroplasty
Jonathan Gustafson; Brett Levine; Robin Pourzal; Hannah Lundberg

12:04

11:10

Comparing Kinematics and Stability of TKR Using Medial Parapatellar Versus Lateral Subvastus Lateralis Approaches on a Joint Motion Simulator
Ryan Willing; Alireza Moslemian; Geofrey Yamomo; Paul Kelly; Brent Lanting

11:17

11:22

Calibration of Knee Ligament Properties Using Distraction Based Measurements Across Multiple Specimens
Mhd Ammar Hafez; William Zaylor; Azhar Ali; Xiangyi (Cheryl) Liu; Jason Halloran

11:28

Contributions of the Posterior Oblique Ligament and Deep Medial Collateral Ligament to Stabilizing the PCL-Deficient Knee
Alireza Moslemian; Alan Getgood; Ryan Willing

11:34

Evaluation of Ligamentous Effects on Compartmental Loads During Total Knee Arthroplasty Using Functional Knee Simulator
Patrick Meere; Jackson Wirekoh; Nicholas Parody

11:40

11:46

Functional Stability: An Experimental Knee Joint Cadaveric Study on Collateral Ligaments Tension
Bernardo Innocenti; Edoardo Bori; Thomas Paszicsnyek

11:52

Morphometric Geometric Analysis to Determine the Centre of the Acetabular Component Placement in Crowe Type IV Hips Undergoing Total Hip Arthroplasty
Junya Yoshitani; Tamon Kabata; Yoshitomo Kajino; Daisuke Inoue; Takaaki Ohmori; Tadashi Taga; Tomoharu Takagi; Takuro Ueno; Ken Ueoka; Yuki Yamamuro; Takuya Nakamura; Hiroyuki Tsuchiya

11:58

Three-Dimensional Evaluation of Acetabular Coverage in Borderline Hip Dysplasia
Tohru Irie; Alejandro Espinoza Orias; Tomoyo Irie; Shane J Nho; Daisuke Takahashi; Norimasa Iwasaki; Nozomu Inoue

12:04

11:10

3D printing porous structures to enhance the initial fixation of implants
Richard Van Arkel

11:17

11:22

In Vitro Response to FFF Printed Porous PEEK Surfaces: An Early Investigation Into the Potential of Point of Care 3D Printing in Total Joint Arthroplasty
Hannah Spece; Tony Yu; Anthony Law; Michele Marcolongo; Steven Kurtz

11:28

Additive Manufacturing Process of a Porous Acetabular Shell and Its Early Clinical and Radiographical Outcomes
Ahmad Faizan; Lewis Mullen; Russell Cohen; Geoffrey H Westrich

11:34

Minimum 6-Year Follow-Up of 3D Printed Porous Coated Titanium Cup in Primary Total Hip Arthroplasty
Yong Huang; Yixin Zhou; Dejin Yang; Hao Tang; Hongyi Shao; Shengjie Guo

11:40

11:46

Titanium Powder Coating Using Metal 3D Printing: A Novel Coating Technology for Cobalt-Chromium Alloy Implants.
Sang-Heon Lee; Young Wook Lim

11:52

Are Surface Coatings Effective at Reducing Metal Ion Elution Under Kinematic Conditions in Total Knee Arthroplasty?
Satya Nambu; Ethan Baker; Anish Shivaram; Gary Hines

11:58

Biomedical Applications of Non-Stoichiometric Si(3+X)N(4-Y) Coatings: Antibacterial and Osteoconductive Effects on Ceramic, Polymeric, and Metallic Substrates
Elia Marin; Tetsuya Adachi; Matteo Zanocco; Francesco Boschetto; Shota Somekawa; Ryutaro Ashida; Ryan Bock; Bryan McEntire; B. Sonny Bal; Giuseppe Pezzotti

12:04