The purpose of this study is to identify patient factors and surgical characteristics predictive of unicompartmental failure to determine perioperative and operative factors associated with poor outcomes following partial knee replacement. We compared medial versus lateral, onlay versus inlay and bicompartmental versus unicompartmental prosthesis.

Methods

A prospectively maintained institutional data base was retrospectively queried between January 2010 to December 2016 for all patients that received unicompartmental or bicompartmental robotically assisted arthroplasty. Survivorship analysis was performed to determine factors associated with conversion to total knee arthroplasty and functional results were measured by Oxford Scores.

Results

A total of 1,867 knees in 1,567 patients underwent arthroplasty. There were 1,445 medial only, 188 lateral only, 131 bicompartmental, and 101 patella femoral only. There were 1,743 knees with 2 years follow up and 1,273 knees with 4 years follow up. At four years there were 67 deaths.

Conclusions

On lay prosthesis outperformed inlay prosthesis in all groups medial, lateral and bicompartmental. Preoperative joint space of more than 2 mm on the operative side increased the odds of conversion to total knee arthroplasty by 5 times. BMI showed no statistical difference. Oxford Scores showed a minimally clinically important difference (MCID) (which is 5 for the Oxford Score) in 86 percent of patients. The mean change of the Oxford Score was 15 points. At four years, 92 percent of patients had their original prosthesis.

The Effect of Polyethylene Thickness on Revision Rates of Contemporary Cruciate Retaining Knee Replacements. A Registry Analysis. ePoster Presentation Christopher J. Wilson, A/Prof, MBChB, MRCS, FRACS, PhD, AUSTRALIA Maryam Khan, MD, AUSTRALIA Mark Inglis, FRACS BMBS B Med Sci FOrthoA, AUSTRALIA Anthony J Samson, BSc (Hons) BMBS FRACS FAOrthA, AUSTRALIA
Comparison Study Between Mobile Bearing And Medial Pivot Total Implants In Total Knee Arthroplasty In Management Of Osteoarthritis Of The Knee ePoster Presentation Dicky Mulyadi, MD, PhD, INDONESIA Naufal Chairulfatah, MD, INDONESIA Muhammad Eka Putra, MD, INDONESIA Nicolaas C. Budhiparama, MD, PhD (LUMC, NL), PhD (UGM, ID), FICS, Prof., INDONESIA
Percutaneous Arthroscopic Assisted Knee Medial Collateral Ligament Repair: A Novel Technique And Results ePoster Presentation George Jacob, MBBS, MS Ortho, FAOrthA, INDIA Sukesh A,.N, MBBS,DIPLOMA IN ORTHOPAEDICS, DNB, INDIA Appu Benny Thomas, M.S (Orth), INDIA Julio Chacko Kandathil, MBBS MD Radiology, INDIA Jacob Varughese, MD, INDIA
Efficacy of an accelerated rehabilitation protocol after Tibial Tubercle Osteotomy for the surgical treatment of Recurrent Patella Instability ePoster Presentation Ryan M Bell, BS, UNITED STATES Danielle Kriscenski , BS, UNITED STATES Courtney Morgan, BS, UNITED STATES Cory M. Edgar, MD, PhD, UNITED STATES
Comparison of Bone-Patella Tendon-Bone and Quadriceps Tendon Autograft for ACL Reconstruction at Twelve-Month Follow-Up ePoster Presentation Seth L. Sherman, MD, UNITED STATES Daniel William Hogan, MS, UNITED STATES Major Benjamin Burch, MD, UNITED STATES Joseph M. Rund, BS, UNITED STATES Richard Ma, MD, UNITED STATES Aaron Gray, MD, UNITED STATES John W. Welsh, BA, UNITED STATES Taylor E. Ray, UNITED STATES Derek W Geeslin, BS, UNITED STATES
Biomechanical Comparison Of Knotted And Knotless Reconstruction Of Full-Thickness Tears Of The Upper Subscapularis Tendon ePoster Presentation Mirco Sgroi, MD, GERMANY Thomas Kappe, MD, Prof., GERMANY Heiko Reichel, Prof., GERMANY Marius Ludwig, MD, GERMANY Michael Fuchs, Dr., GERMANY Anita Ignatius, Prof. Dr., GERMANY Lutz Dürselen, Prof. Dr., GERMANY Andreas M. Seitz, PhD, GERMANY
Short-Term Clinical Results And Periprosthetic Bone Mineral Density After The Attune Cementless Total Knee Arthroplasty ePoster Presentation Kenichi Kikuchi, Dr, JAPAN Tomoyuki Matsumoto, MD, PhD, JAPAN Shinya Hayashi, MD, PhD, JAPAN Naoki Nakano, MD, JAPAN Toshihisa Maeda, MD, PhD, JAPAN Yuichi Kuroda, MD, JAPAN Yoshinori Takashima, MD, JAPAN Masahiro Fujita, MD, JAPAN Kensuke Anjiki, MD, JAPAN Kenmei Ikuta, MD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
Simultaneous Bilateral Opening Wedge High Tibial Osteotomy With Structural Allograft Impaction Results In Excellent Early Recovery And Pain Reduction Similar To Unilateral Osteotomy ePoster Presentation Jef Neirynck, MD, BELGIUM Nathalie Van Beek, PhD, BELGIUM Toon Claes, MD, BELGIUM Steven Claes, MD, PhD, BELGIUM Stijn Bartholomeeusen, MD, BELGIUM
Biomechanical Analysis Of Tissue Engineering Construct For Articular Cartilage Restoration - A Pre-Clinical Study ePoster Presentation Rafaella Rogatto De Faria, PhD, BRAZIL Joao Paulo Cortez Santanna, MD, MSc, BRAZIL Marina J. S. Maizato, PhD, BRAZIL Carla Pinheiro, MSc, BRAZIL Hugo Moreira, MD, BRAZIL Roberto Bortolussi, PhD, BRAZIL Cyro Albuquerque, Prof., PhD, BRAZIL Idagene A. Cestari, PhD, BRAZIL Arnaldo J. Hernandez, MD, PhD, BRAZIL Tiago Lazzaretti Fernandes, MD, PhD, MSc, Post-Doctorate, BRAZIL
Association Of Bacterial Growth With Tibial Tunnel Widening In Anterior Cruciate Ligament Revision Surgery ePoster Presentation David C. Flanigan, MD, UNITED STATES Luis Regalado, BS, UNITED STATES Alex C. Dibartola, MD, MPH, UNITED STATES Joshua Scott Everhart, MD, MPH, UNITED STATES Christopher C. Kaeding, MD, UNITED STATES Robert A Magnussen, MD, MPH, UNITED STATES
Autologous Matrix-Induced Chondrogenesis (Amic) For Isolated Retropatellar Cartilage Lesions: Outcome After A Follow-Up Of Minimum Two Years ePoster Presentation Manuel Waltenspül, MD, SWITZERLAND Cyrill Suter, MD, SWITZERLAND Jakob Ackermann, MD, SWITZERLAND Nathalie Kühne, SN, SWITZERLAND Sandro Fucentese, Prof MD, SWITZERLAND
Modified Lemaire Antero-Lateral Extra Articular Tenodesis Alters the MRI Maturity Signal of ACL Hamstring Graft ePoster Presentation Maximiliano Ibañez, MD, SPAIN Gonzalo Rojas Castillo, MD, CHILE Simone Perelli, MD,PhD, SPAIN Pablo E. Gelber, MD, PhD, SPAIN Juan Ignacio Erquicia, MD, PhD, SPAIN Àngel Masferrer-Pino, MD PhD, SPAIN Daniel Pérez-Prieto, MD, SPAIN Raúl Torres-Claramunt, PhD, SPAIN Joan Carles Monllau, MD, PhD, Prof., SPAIN
Intra-Articular Mesenchymal Stem Cell Exosomes And Hyaluronic Acid Combination Therapy Promotes Safe And Functional Osteochondral Repair In A Porcine Model Abstract Presentation 6 minutes Keng Lin Francis Wong, MMed(Orth), MCI (NUS), FRCSEd (Orth), FAMS, PhD, SINGAPORE Shipin Zhang, PhD, SINGAPORE Xiafei Ren, PhD, SINGAPORE Ruenn Chai Lai, PhD, SINGAPORE Sai Kiang Lim, PhD, SINGAPORE James Hui, MBBS, FRCS, FAMS, M.D. (Orthopaedic Surgery), SINGAPORE Wei Seong Toh, PhD, SINGAPORE
High Rate Of Return To Sport Following Abdominal Muscle Injuries In NCAA Division I Overhead Athletes ePoster Presentation Ioanna K Bolia, MD, MSc, PhD, UNITED STATES Alexander E. Weber, MD, UNITED STATES Lisa Noceti-DeWit, PT, DPT, ATC, UNITED STATES Hansel Ihn, MD, UNITED STATES Hyunwoo "Paco" Kang, MD, UNITED STATES Russell Romano, ATC, UNITED STATES Laith K Hasan, BBA, UNITED STATES Aryan Haratian, BS, UNITED STATES James E. Tibone, MD, UNITED STATES Frank Petrigliano, UNITED STATES Seth C. Gamradt, MD, UNITED STATES
Bi-cruciate retaining versus posterior stabilized total knee arthroplasty at two years follow up in a prospective controlled trial ePoster Presentation Theofylaktos Kyriakidis, MD, MSc, PhD, GREECE Jacques Hernigou, MD, BELGIUM Rene E. Verdonk, Prof em , MD, PhD, BELGIUM
Lateral Retinacular Release In Concordance With Medial Patellofemoral Ligament Reconstruction In Patients With Recurrent Patellar Instability – A Computational Model Award Winner Giuseppe Salvatore, MD, PhD, ITALY Umile Giuseppe Longo, MD, MSc, PhD, Prof., ITALY Alessandra Berton, MD, ITALY Alexander Orsi, PhD, AUSTRALIA Jonathan Egan, BS, MEng, UNITED STATES Joseph P. DeAngelis, MD, UNITED STATES Ara Nazarian, PhD, UNITED STATES Vincenzo Denaro, MD, PhD, Prof., ITALY
Lower Extremity Alignment in Professional Soccer Players Abstract Presentation 5 minutes Spencer M. Stein, MD, UNITED STATES William Tyler Haselman, BS, UNITED STATES Bert Roland Mandelbaum, MD, DHL(Hon), UNITED STATES
Rapid Recovery Protocol In Total Knee Arthroplasty. A Randomized Controlled Trial. ePoster Presentation Ignacio Aguado-Maestro, MD, FEBOT, SPAIN Elisa Cebrián Rodríguez, MD, SPAIN Oscar Fraile Castelao, PhD, SPAIN Raúl Jesús Rodríguez López , SPAIN Jesus Palencia-Ercilla, MD, PhD, SPAIN Alejandro Bañuelos-Díaz, MD, SPAIN Inés De Blas Sanz, SPAIN Ana Elena Sanz Peñas, SPAIN Manuel García-Alonso, MD, PhD, SPAIN
Concomitant Injury to Kaplan Fibers in Acute ACL Injury Does Not Affect the Pivot-shift Phenomenon ePoster Presentation Shu Watanabe, MD, JAPAN Kanto Nagai, MD, PhD, JAPAN Yuichi Hoshino, MD, PhD, JAPAN Kiminari Kataoka, MD, JAPAN Yuta Nakanishi, MD, PhD, JAPAN Daisuke Araki, MD, PhD, JAPAN Noriyuki Kanzaki, MD, PhD, JAPAN Takehiko Matsushita, MD, PhD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
Opioid Reduction After Knee And Shoulder Arthroscopy: A Systematic Review And Meta-Analysis Of Randomized Controlled Trials ePoster Presentation Kyle Gouveia, MD, CANADA Haseeb Ahmed Faisal, BHSc(Cand), CANADA Jessica Gormley, MD(Cand), CANADA Harsha Shanthanna, MD, PhD, FRCPC, CANADA Moin Khan, MD, MSc, FRCSC, CANADA Kim Madden, PhD, CANADA
Management Of Septic Knee Arthritis In The Emergency Department Of A Tertiary Hospital ePoster Presentation Blanca Varas Varas, MD, SPAIN
Early Postoperative Results of the First Latin-American Experience with Robotic-Arm-Assisted TKA versus Conventional Technique Abstract Presentation 5 minutes David H. Figueroa, MD, CHILE Rodrigo Guiloff, MD, Prof, CHILE Tomas Prado, MD, CHILE Juan Jose Sotomayor, MD, CHILE Alberto Alarcon, MD, CHILE Alex Vaisman, MD, Prof., CHILE Rafael Calvo, MD, CHILE
Management Of Acute Knee Dislocations: A Global Survey Of Orthopaedic Surgeons’ Strategies Abstract Presentation 6 minutes Santa-Marie Venter, MMED(Ortho), MSc, MBChB, LLB, BA, SOUTH AFRICA Roopam Dey, PhD, SOUTH AFRICA Vikas Khanduja, MA(Cantab), MBBS, MSc, FRCS, FRCS(Orth), PhD, UNITED KINGDOM Richard P. von Bormann, MD, SOUTH AFRICA Michael Held, MD, PhD, SOUTH AFRICA
Allografts Versus Hamstring-Autografts In Primary Anterior Cruciate Ligament Reconstruction. A Prospective Randomized Trial With A Follow-Up Of 13 Months. ePoster Presentation Paul Ruckenstuhl, MD, Msc, AUSTRIA Tobias Oswald, CM, AUSTRIA Gerald Gruber, MD, Prof., AUSTRIA Andreas Leithner, MD, Prof., AUSTRIA Patrick Sadoghi, MD, AUSTRIA Stefan Fischerauer, MD, MSc, PhD, AUSTRIA Gerwin A. Bernhardt, MD, MBA, FACS, AUSTRIA
Comparison Of Muscle Strength And Neuromuscular Control Up To 1 Year After Anterior Cruciate Ligament Reconstruction Between Patients With Dominant Leg And Non-Dominant Leg Injuries ePoster Presentation Ki-Mo Jang, MD, PhD, Prof., KOREA, REPUBLIC OF Dae Keun Suh, MD, PhD, KOREA, REPUBLIC OF Hye Chang Rhim, MD, KOREA, REPUBLIC OF Jin Hyuck Lee, PT, PhD, KOREA, REPUBLIC OF
No Difference In Complication, Reoperation And Readmission Rates After Fast-Track Or Out-Patient Total Knee Arthroplasty ePoster Presentation Jean-Yves Jenny, Prof., FRANCE Vincent Gisonni, MD, FRANCE
Sport Specialization Classification And Injury Risk In Female Athletes ePoster Presentation Ehiamen T Okoruwa, MD, MS, UNITED STATES Alexandra Abbott, MD, UNITED STATES Symone M Brown, MPH, UNITED STATES Mary K. Mulcahey, MD, UNITED STATES
Radiographic Landmarks For The Femoral Attachment Of The Medial Patellofemoral Complex ePoster Presentation Rohan Bhimani, MD, MBA, UNITED STATES Soheil Ashkani-Esfahani, MD, UNITED STATES Karina Mirochnik, BS, UNITED STATES Bart B Lubberts, MD, PhD, UNITED STATES Christopher W DiGiovanni, MD, UNITED STATES Miho J. Tanaka, MD, PhD, UNITED STATES
Changing Dogma: Large Posterior Tibial Slope Is Associated With Increased Pain But Not Decreased Function Following Fixed-Bearing Medial Uka Abstract Presentation 4 minutes Kevin D. Plancher, MD, MPH, UNITED STATES Jaya Prasad Shanmugam, UNITED STATES Jasime Brite, BS, UNITED STATES Karen Briggs, MPH, UNITED STATES Stephanie C. Petterson, MPT, PhD, UNITED STATES
Using the TTTG Measurement to Determine Surgical Management of Patellofemoral Instability ePoster Presentation Megan Diack, MBCHB, MRCSI, MCh, IRELAND Orla Hennessy, MB BaO BCh, MCh, IRELAND Diane Bergin, Prof., IRELAND Fintan J. Shannon, FRCS (Tr/Orth), IRELAND
Bowlegs In Soccer Players - Overuse Of Knee Growth Plates? ePoster Presentation Zmago Krajnc, PhD, SLOVENIA Mitja Rupreht, PhD, SLOVENIA Matej Drobnic, MD, SLOVENIA
Avoiding Popliteal Neuro-Vascular Injury During Iliotibial Band Acl Reconstruction ePoster Presentation Kevin G. Shea, MD, UNITED STATES Marc Tompkins, MD, UNITED STATES Brian Vuong, BS, UNITED STATES Curtis D. Vandenberg, MD, UNITED STATES Cooper Shea, BS, UNITED STATES Philip L. Wilson, MD, UNITED STATES Daniel W. Green, MD, MS, UNITED STATES Theodore Ganley, MD, UNITED STATES Henry B. Ellis, MD, UNITED STATES
Chronic Irreducible Knee Dislocations : Outcomes Following Open Reduction And Reconstructive Surgery. ePoster Presentation Dinshaw Pardiwala, MS(Orth), DNB(Orth), FCPS, INDIA Kushalappa Subbiah, MS(Orth), INDIA Nandan N Rao, M.B.B.S, M.S Orthopaedics, INDIA Yathiraj Br, INDIA
Analysis of poor clinical outcome after opening-wedge high tibial osteotomy over 65 years old ePoster Presentation Shuhei Otsuki, MD, JAPAN HItoshi Wakama, MD, JAPAN Yoshinori Okamoto, MD, PhD, JAPAN Masashi Neo, MD, PhD, Prof., JAPAN
Osteochondral Allograft Transplants For Large Oval Defects Of The Medial Femoral Condyle: Comparison Of Lateral Vs. Medial Femoral Condyle Donors And Single Vs. Double Plug Constructs ePoster Presentation Timothy Mologne, MD, UNITED STATES William Bugbee, MD, UNITED STATES Shankar Gopal Kaushal, UNITED STATES Conor Shea Locke, MS, UNITED STATES Robert Goulet, PhD, UNITED STATES Michael Casden, Prof, UNITED STATES John A. Grant, MD, PhD, FRCSC, UNITED STATES
Posterior Sagittal Position Of The Tibial Tubercle In Patients With Operative Patellofemoral Chondral Lesions As Measured By The Sagittal Tibial Tubercle-Trochlear Groove Distance ePoster Presentation Daniel James Kaplan, MD, UNITED STATES Edward Stephen Mojica, BS, UNITED STATES Paola Ortega, BA, UNITED STATES Jairo Triana, BS, UNITED STATES Laith M. Jazrawi, MD, UNITED STATES Eric Jason Strauss, MD Michael J Alaia, MD, UNITED STATES Guillem Gonzalez-Lomas, MD, UNITED STATES
What Is The Ideal Hinge Axis Position To Reduce Tibial Slope In Opening Wedge High Tibial Osteotomy? Abstract Presentation 6 minutes Claire D Eliasberg, MD, UNITED STATES Kyle Hancock, MD, UNITED STATES Erica Swartwout, BA, UNITED STATES Hugo Robichaud, CANADA Anil S. Ranawat, MD, UNITED STATES
Comparing Outcomes and Relative Valuation Of Primary Versus Revision Arthroscopic ACL Reconstruction Using A National Surgical Database ePoster Presentation Jeremy Marx, MD, UNITED STATES Joshua P Weissman, BBA, UNITED STATES John Carney, MD, UNITED STATES Erik Gerlach, MD, UNITED STATES Mark Andrew Plantz, BS, UNITED STATES Peter Swiatek, MD, UNITED STATES Colin Cantrell, MD, UNITED STATES Nicholas Arpey, MD, UNITED STATES Haley Smith, MD, UNITED STATES Eric Sanders, MD, UNITED STATES Vehniah K. Tjong, MD, FRCSC, UNITED STATES
Opening Wedge High Tibial Osteotomy for Medial Compartment Knee Osteoarthritis: Planning for Improving Outcomes without lateral compartment overloading ePoster Presentation S. Ali Ghasemi, MD, UNITED STATES Joshua Rory Buksbaum, BS, UNITED STATES Jonggu Shin, MD, UNITED STATES Austin T. Fragomen, MD, UNITED STATES S Rozbruch, UNITED STATES Adam Daniel Geffner, BA, UNITED STATES
Healing Of The Patella Harvest Donor Site And Tendon Graft In Bone-Tendon-Bone Anterior Cruciate Ligament Reconstruction In Football Players ePoster Presentation Georgios N. Tzoanos, MD, GREECE Nikolaos Tsavalas, MD, GREECE Nikolaos Manidakis, MBChB, MRCS(Eng), GREECE Dimitrios Chardaloumpas, PhD, GREECE Alkiviadis Kalliakmanis, MD, PhD, GREECE
Do The Acl Reconstruction Outcomes With Hamstring Autografts Depend On The Percentage Of Native ACL Tibial Footprint Area Restored ? ePoster Presentation Rohan Bhargava, MS(Ortho) , DNB(Ortho) , FNB, MRCS ( Ed.), INDIA Parag Sancheti, FRCS (Ed),MS(ORTH), DNB(ORTH), MCh(UK),Ph.D(UK), INDIA Ashok Kumar Shyam, M. Orthopaedics, INDIA
PRP in ACL Reconstruction Does Not Improve Clinical and Functional Outcomes: Results from a Prospective Randomized Clinical Study at 12 Years Follow-Up ePoster Presentation David H. Figueroa, MD, CHILE Rodrigo Guiloff, MD, Prof, CHILE Rafael Calvo, MD, CHILE Luis A. O'Connell, MD, CHILE Francisco Figueroa, MD, CHILE Alex Vaisman, MD, Prof., CHILE
Subacromial Joint Injections Are More Likely To Be Successful When Using A Lateral Rather Than Posterior Approach: An Anatomical MRI Scan Study ePoster Presentation Natalie Cheyne, MRCS (Ed), UNITED KINGDOM Moez Zeiton, MRCS, UNITED KINGDOM Ana Jeelani, MRCS, UNITED KINGDOM Martin Holt, FRCS(Orth), UNITED KINGDOM Neil Jain, BM, MRCS(Ed), FRCS(Tr&Orth), UNITED KINGDOM
Favorable Outcomes Of Posterior Cruciate-Stabilized Implants Over Ultracongruent Implants In Total Knee Arthroplasty ePoster Presentation Kyle Kosei Obana, BA, UNITED STATES Samantha Andrews, PhD, UNITED STATES Krystin Wong, BA, UNITED STATES Tyler Thorne, BA, UNITED STATES Cass K. Nakasone, MD, FACS, UNITED STATES
Incidence and Risk Factors for Prolonged Hospital Stay or Non-Home Discharge Following Unicompartmental Knee Arthroplasty ePoster Presentation Alan Shamrock, MD, UNITED STATES Trevor Gulbrandsen, MD, UNITED STATES Timothy Brown, MD, UNITED STATES Nicholas Bedard, MD, UNITED STATES
Analysis of bone union after biplanar medial closing wedge distal femoral osteotomy ePoster Presentation Takehiko Matsushita, MD, PhD, JAPAN Shinya Oka, MD, PhD, JAPAN Akiyoshi Mori, JAPAN Shu Watanabe, MD, JAPAN Kiminari Kataoka, MD, JAPAN Koji Nukuto, MD, PhD, UNITED STATES Daisuke Araki, MD, PhD, JAPAN Yuichiro Nishizawa, MD, PhD, JAPAN Kanto Nagai, MD, PhD, JAPAN Noriyuki Kanzaki, MD, PhD, JAPAN Yuichi Hoshino, MD, PhD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
Biomechanical Comparison of The Fixation Configurations of Soft-Tissue Quadriceps Tendon Graft Using A Suspensory Button ePoster Presentation Kohei Kamada, MD, PhD, UNITED STATES Kanto Nagai, MD, PhD, JAPAN Kouki Nagamune, PhD, JAPAN Yuichi Hoshino, MD, PhD, JAPAN Yuta Nakanishi, MD, PhD, JAPAN Daisuke Araki, MD, PhD, JAPAN Noriyuki Kanzaki, MD, PhD, JAPAN Takehiko Matsushita, MD, PhD, JAPAN Ryosuke Kuroda, MD, PhD, JAPAN
Clinically Significant Improvement And High Return To Sports And Work Rates After Double Level Osteotomy For Severe Varus Malalignment Abstract Presentation 6 minutes Marco-Christopher Rupp, MD, GERMANY Lukas Nawid Muench, MD, GERMANY Yannick Ehmann, MD, GERMANY Alexander Themessl, MD, GERMANY Philipp Wilhelm Winkler, MD, Assoc. Prof., AUSTRIA Julian Mehl, MD, GERMANY Andreas B. Imhoff, MD, Prof. Emeritus, GERMANY Matthias Feucht, MD, GERMANY
Human Umbilical Cord-Derived Mesenchymal Stem Cells Associated to Collagen Matrix for Knee Chondral Lesions Repair: Initial Clinical Experience ePoster Presentation Fabiano Kupczik, MD, PhD, MSc, BRAZIL Carmen Lucia Kuniyoshi Rebelatto, PhD, BRAZIL Alexandra Cristina Senegaglia, PhD, BRAZIL Debora Regina Daga, MSc, BRAZIL Daniela Boscaro Marsaro, MSc, BRAZIL Bruna Schaidt, MSc, BRAZIL Isadora May Vaz, MSc, BRAZIL Lidiane Maria Boldrini Leite, MSc, BRAZIL Marlus Eduardo Gunia Schiavon, BRAZIL Bruno Sbrissia, MD, BRAZIL Paulo Roberto Slud Brofman, PhD, BRAZIL
The Anterior Portion Of The Medial Collateral Ligament Is The Major Restraint To Anteromedial Rotatory Instability Abstract Presentation 5 minutes Elmar Herbst, MD, PhD, GERMANY Christian Peez, MD, GERMANY R M, Mr., GERMANY Jens Wermers, MD, GERMANY Johannes Glasbrenner, MD, GERMANY Thorben Briese, MD, GERMANY Michael J. Raschke, MD, Prof., GERMANY Christoph Kittl, MD, MD(res), GERMANY
Can Robot-Assisted Total Knee Arthroplasty Be A Cost-Effective Procedure? A Markov Decision Analysis. ePoster Presentation Hannes Vermue, MD, BELGIUM Philip Tack, MD, BELGIUM Tom Gryson, MD, BELGIUM Jan M. K. Victor, MD, PhD, BELGIUM
Quadriceps Tendon Autograft And Lateral Extra-Articular Tenodesis Are Becoming Increasingly Popular In Revision Acl Reconstruction ePoster Presentation Philipp Wilhelm Winkler, MD, Assoc. Prof., AUSTRIA Ryan Eads, MD, UNITED STATES Thiago Vivacqua, MD, MSc, BRAZIL Stephan Karsten Thomassen, MD, NORWAY Lisa Lovse, MD, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Alan Getgood, MD, FRCS(Tr&Orth), DipSEM, CANADA Volker Musahl, MD, Prof., UNITED STATES
Five Year Results of a Prospective Randomized Controlled Trail: ACL Repair vs. ACL Reconstruction. ePoster Presentation Johannes Glasbrenner, MD, GERMANY Christoph Kittl, MD, MD(res), GERMANY Michael J. Raschke, MD, Prof., GERMANY Elmar Herbst, MD, PhD, GERMANY Thorben Briese, MD, GERMANY Christian Peez, MD, GERMANY Mirco Herbort, MD, Prof., GERMANY Clemens Kösters, PD Dr. med., GERMANY Benedikt Schliemann, MD, GERMANY
Increased Risk Of Hip And Lower Back Injury In Breaststroke Swimmers: Epidemiologic Analysis Of The Lower Back Injuries In NCAA Division I Swimmers ePoster Presentation Ioanna K Bolia, MD, MSc, PhD, UNITED STATES Hyunwoo "Paco" Kang, MD, UNITED STATES Cory K. Mayfield, MD, UNITED STATES Russell Romano, ATC, UNITED STATES Aryan Haratian, BS, UNITED STATES Laith K Hasan, BBA, UNITED STATES Frank Petrigliano, UNITED STATES James E. Tibone, MD, UNITED STATES Seth C. Gamradt, MD, UNITED STATES Alexander E. Weber, MD, UNITED STATES
Does a Medial Pivot Knee Prosthesis improve Clinical Outcomes? Results of a Randomized Clinical Trial ePoster Presentation Pieter J. Erasmus, MBChB, MMed, FCS(Orth), SOUTH AFRICA Kyung-Jin Cho, MSc, SOUTH AFRICA
The Sport-Specific Prevalence of Generalized Joint Hypermobility in Collegiate Athletes – A Cross-Sectional Study ePoster Presentation Richard W. Nicolay, MD, UNITED STATES Matthew J. Hartwell, MD, UNITED STATES Stephen Bigach, MD, UNITED STATES Claire Fernandez, BS, UNITED STATES Allison M Morgan, BA, UNITED STATES Charles Cogan, MD, UNITED STATES Michael Terry, MD, UNITED STATES Vehniah K. Tjong, MD, FRCSC, UNITED STATES
MRI Evaluation of the Peripheral Stabilizing Attachments of the Lateral Meniscal Body: The Menisco-Tibio-Popliteus-Fibular Complex. Assessment in Routine 1.5-T Scans. ePoster Presentation Rodolfo Morales-Avalos, MD, PhD., MEXICO Àngel Masferrer-Pino, MD PhD, SPAIN Simone Perelli, MD,PhD, SPAIN Eustorgio Ruiz-Chapa, MD, MEXICO Jose Ramon Padilla-Medina, MD, MSc., MEXICO Joan Carles Monllau, MD, PhD, Prof., SPAIN

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Robotic Unicompartmental Arthroplasty Has Higher Revision Rates With Partial Cartilage Lesions And With Inlay Prosthesis When Compared To On Lay Prosthesis

Robotic Unicompartmental Arthroplasty Has Higher Revision Rates With Partial Cartilage Lesions And With Inlay Prosthesis When Compared To On Lay Prosthesis

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Robotic Unicompartmental Arthroplasty Has Higher Revision Rates With Partial Cartilage Lesions And With Inlay Prosthesis When Compared To On Lay Prosthesis

Robotic Unicompartmental Arthroplasty Has Higher Revision Rates With Partial Cartilage Lesions And With Inlay Prosthesis When Compared To On Lay Prosthesis

Purpose

Methods

Results

Conclusions