Summary: Machine learning methodology identified age, BMI, and forward flexion as the most important factors in prediction of MCID after shoulder arthroplasty

Introduction/Purpose: Previous studies have tried to predict minimally clinical important difference (MCID) after total or reverse shoulder arthroplasty (TSA, RSA). However, they have been limited by either small sample sizes or lack of detail on the accuracy of their predictive results. The purpose of this study was to use machine learning to develop a predictive model for achieving MCID after TSA and RSA considering demographic, psychosocial, and physical exam factors.

Methods

All patients who underwent primary TSA or RSA by a single surgeon with preoperative and 1-year postoperative ASES scores were evaluated to determine whether they had achieved maximal clinical benefit from the procedures. Patients with complications or reoperations from the surgery within the first year were excluded due to obvious effect on ASES scores. The study population included 166 patients (49% male) that had undergone TSA (36%) or RSA (64%) with a mean age of 70.4 (SD 8.8).Data collected included patient demographics (age, BMI, gender, diabetes and other), psychosocial factors (tobacco use, mental health disorders), physical exam parameters type of implant, and indication for arthroplasty. Data was randomly divided into two sets (80% for training and 20% for testing) and various machine learning algorithms were compared (Neural Network, Regression Tree, XGBoost, and Random Forest). The XGBoost ensemble method had the highest accuracy and was chosen.

Results

Overall, the mean preoperative to postoperative ASES score change was 40.5 points (SD 22.9, p<0.001) and 74% patients achieved MCID. A machine learning model using the above methodology was created using two discrete steps. The first model was built using all parameters except for preoperative ASES score. The second model was built using imaging related parameters in addition to preoperative ASES scores to evaluate the increased accuracy in prediction. For the first model, the four most important variables were age at surgery, BMI, preoperative external rotation, and preoperative forward flexion (Figure 1). The overall area under the curve (AUC) of the test data model was 80%, which was deemed to be a very good model (Figure 2). The second model including preoperative ASES scores had an increased accuracy of testing data of 85%. In addition, this model did not rely on the same variables, as ASES became the most important variable in addition to BMI, age, and preoperative forward flexion (Figure 3).

Conclusion

In our study, 75% of the patients who had undergone primary shoulder arthroplasty had achieved MCID at one year. Machine learning methodology identified age, BMI, and forward flexion as the most important factors in prediction of MCID. The addition of preoperative ASES scores appears to improve model predictability when predicting which patients will achieve MCID.

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Subscapularis-Sparing Approaches In Shoulder Arthroplasty: A Systematic Review ePoster Presentation Sandra Lee, BSc (Cand), CANADA Huda Sardar, BSc (Cand), CANADA Nolan Horner, MD, CANADA Latifah Al Mana, MBBS, CANADA Bruce S. Miller, MD, MS, UNITED STATES Moin Khan, MD, MSc, FRCSC, CANADA Bashar Alolabi, MD, MSc, FRCSC, CANADA
Glenosphere Lateralization In Reverse Shoulder Arthroplasty Leads To Better Functional And Clinical Outcomes In Rotator Cuff Arthropaty Patients - A Systematic Review With Meta-Analysis. Abstract Presentation 3 minutes Joni L. Soares Nunes, MD, PORTUGAL Renato Andrade, PhD student, PORTUGAL Guilherme França, MD, PORTUGAL João Duarte Espregueira-Mendes, MD, PhD, PORTUGAL Nuno Sevivas, MD, PhD, PORTUGAL
Diagnosis And Treatment Of Snapping Scapula Syndrome: A Scoping Review ePoster Presentation Hassan Baldawi, MB, BCh, BAO, MSc (Candidate) , CANADA Kyle Gouveia, MD, CANADA Chetan Gohal, MD, CANADA Latifah Al Mana, MBBS, CANADA Ryan Paul, MD, MSc, FRCSC, CANADA Bashar Alolabi, MD, MSc, FRCSC, CANADA Jaydeep Moro, MD, FRCSC, CANADA Moin Khan, MD, MSc, FRCSC, CANADA
Does the Walch Type B Shoulder have a Transverse Force Couple Imbalance? - A Volumetric Analysis of Segmented Rotator Cuff Muscles in Osteoarthritic Shoulders. ePoster Presentation Antonio Arenas-Miquelez, MD, FEBOT, AUSTRALIA Victor Liu, MD, AUSTRALIA Joseph Cavanagh, MBBS, CANADA Petra Graham, PhD, AUSTRALIA Louis Ferreira, PhD, CANADA Desmond John Bokor, MB, BS, MHEd (Med), FRACS, FAOrthA, AUSTRALIA George Athwal, MD, CANADA Sumit Raniga, BSc MSc (1st Hons) MBChB FRACS FAOrthA, AUSTRALIA
Adipose MSC in Arthroscopic Rotator Cuff Repair. A Prospective Randomized Controlled Trial With Two Years Follow-Up. Abstract Presentation 5 minutes Pietro S. Randelli, MD, Prof., ITALY Davide Cucchi, MD, GERMANY Elisabetta Nocerino, MD, ITALY Linda Boerci, MD, ITALY Chiara Fossati, MD, ITALY Alessandra Menon, MD, ITALY
Systematic Review Of Arthroscopic Reconstruction Of Isolated Subscapularis Tendon Tear: Results, Role Of Coracoplasty And Management Of The Biceps Tendon Abstract Presentation 5 minutes Pablo A. Narbona, MD, ARGENTINA Rafael Norberto Martinez Gallino, MD, ARGENTINA Manuel Olmos, MD, ARGENTINA Gabriel Arce, MD, ARGENTINA
Arthroscopic Bankart Repair For Adolescent Anterior Shoulder Instability: Clinical And Radiographic Predictors Of Revision Surgery And Subjective Instability Abstract Presentation 5 minutes Crystal A. Perkins, MD, UNITED STATES Anthony Egger, MD, UNITED STATES Michael T. Busch, MD, UNITED STATES Sam Broida, BS, UNITED STATES Cliff Willimon, MD, UNITED STATES
Subacromial Balloon Spacer for Massive, Irreparable Rotator Cuff Tears is Associated with Improved Shoulder Function and High Patient Satisfaction ePoster Presentation Filippo Familiari, MD, Prof., ITALY Suresh K Nayar, MD, UNITED STATES Raffaella Russo, MD, ITALY Marco De Gori, ITALY Francesco Ranuccio, MD, ITALY Valerio Mastroianni, MD, ITALY Ermenegildo Giuzio, Prof, ITALY Olimpio Galasso, MD, Prof., ITALY Giorgio Gasparini, MD, Prof., ITALY Edward G McFarland, MD, FAAOS, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES
Combined Biological Augmentation Techniques in Revision Rotator Cuff Repair ePoster Presentation Maristella Francesca Saccomanno, MD, PhD, ITALY Martina Re, MD, ITALY Alessandra Scaini, MD, ITALY Emanuele Maggini, MD, ITALY Marco Adriani, MD, ITALY Alessandro Colosio, MD, ITALY Giuseppe Bertoni, MD, ITALY Niccolo Vaisitti, MD, ITALY Alberto Maurizio, MD, ITALY Giuseppe Frizziero, MD, ITALY Giuseppe Milano, Prof., ITALY
The Latarjet Procedure In Competitive Athletes Younger Than 20 Years Old With A Significant Glenoid Bone Loss Abstract Presentation 4 minutes Luciano Rossi, PhD, ARGENTINA Ignacio Tanoira, MD PhD, ARGENTINA Ignacio Pasqualini, MD, ARGENTINA Maximiliano Ranalletta, MD, ARGENTINA
What Is The Ideal Position Of The Shoulder For Graft Fixation In Arthroscopic Superior Capsular Reconstruction? A Computational Analysis. Abstract Presentation 5 minutes Madalena João Antunes, MEng, PORTUGAL Carlos Quental, PhD, Prof., PORTUGAL João Folgado, PhD, Prof., PORTUGAL Clara Azevedo, MD, PhD, PORTUGAL Ana Catarina Ângelo, MD, PORTUGAL
Evaluation Of Short To Mid-Term Outcomes Following Shoulder Hemiarthroplasty For Avascular Necrosis Of The Humeral Head In Patients 40 Years And Younger ePoster Presentation Matthew Hrin, BA, UNITED STATES Edward C Beck, MD, MPH, UNITED STATES Evan Miller, MD, UNITED STATES Alexander Weimer, BS, UNITED STATES Colin M Robbins, BA, UNITED STATES John Hunter Matthews, MD, UNITED STATES Michael T. Freehill, MD, UNITED STATES Christopher J Tuohy, MD, UNITED STATES Ethan R. Wiesler, MD, UNITED STATES Benjamin R. Graves, MD, UNITED STATES Brian R. Waterman, MD, UNITED STATES
Outpatient Vs. Inpatient Anatomic Total Shoulder Arthroplasty: Outcomes And Complications ePoster Presentation Brandon Erickson, MD, UNITED STATES Yousef Shishani, MD, UNITED STATES Stacy Jones, UNITED STATES Meghan E. Bishop, MD, UNITED STATES Anthony A. Romeo, MD, UNITED STATES Reuben Gobezie, MD, UNITED STATES
Reverse Shoulder Replacement: Incidence Rates, Complications, And Outcomes In 2638 Patients As Reported By Abos Part Ii Candidates From 2005 Through 2017 ePoster Presentation Stephen C. Weber, MD, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES Jorge Rojas Llevano, MD, COLOMBIA Prashant Meshram, MBBS, MS, DNB (Ortho), UNITED ARAB EMIRATES Edward G McFarland, MD, FAAOS, UNITED STATES
Outcomes Of Obstructive Sleep Apnea Patients Undergoing Rotator Cuff Repair Abstract Presentation 5 minutes Andres Barandiaran, MS, UNITED STATES Rachel M. Frank, MD, UNITED STATES Jonathan T. Bravman, MD, UNITED STATES Adam Seidl, MD, UNITED STATES Eric C. McCarty, MD, UNITED STATES
Kinematic Changes Are Associated With Improved Outcomes Following Superior Capsular Reconstruction Abstract Presentation 5 minutes Clarissa Levasseur, MS, UNITED STATES Gillian Kane, BS, UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES Adam J. Popchak, DPT, PhD, UNITED STATES James J. Irrgang, PT, PhD, FAPTA, UNITED STATES William Anderst, PhD, UNITED STATES Albert Lin, MD, UNITED STATES
Goutallier Classification Reliability May Be Impacted By The Size Of The Rotators Cuff Tear. Abstract Presentation 3 minutes Adam Kwapisz, MD, PhD, POLAND Sheila McRae, PhD, MSc, CANADA Urszula Smyczynska, PhD, POLAND James Koenig, MD, CANADA Graeme Matthewson, MD, CANADA Jarret M. Woodmass, MD, FRCSC, CANADA Fleur Verhulst, MD, NETHERLANDS Yiyang Zhang, MD, CANADA Laurie Stillwater, MD, CANADA Jason A. Old, MD, FRCSC, CANADA Peter B. MacDonald, MD, FRCS, Dip Sport Med, CANADA
Bursal Acromial Reconstruction (Bar) Using An Acellular Dermal Allograft For Massive, Irreparable Posterosuperior Rotator Cuff Tears: A Dynamic Biomechanical Investigation ePoster Presentation Daniel P. Berthold, Association.-Prof., GERMANY Matthew Ravenscroft, MB, BS, MRCS, UNITED KINGDOM ELIFHO OBOPILWE, ME, BSc, UNITED STATES Mark P. Cote, PT, DPT, MSCTR, UNITED STATES Kane Zenon, BS, UNITED STATES Ryan M Bell, BS, UNITED STATES Augustus D. Mazzocca, MS, MD, UNITED STATES Lukas Nawid Muench, MD, GERMANY
Outcomes Of Arthroscopic Shoulder Stabilization At The United States Naval Academy: 5-Year Follow-Up ePoster Presentation Bobby Yow, MD, UNITED STATES Sean Wade, MD, UNITED STATES Benjamin Hoyt, MD, UNITED STATES Michael Bedrin, MD, UNITED STATES Jon F. Dickens, MD, UNITED STATES John-Paul Rue, MD, UNITED STATES Lance LeClere, MD, UNITED STATES
Acromioclavicular Joint Reconstruction Implants Have Differing Ability To Restore Horizontal And Vertical Plane Stability Abstract Presentation 4 minutes Mohamed Alkoheji, MB BCh FRCS (Tr&Orth), BAHRAIN Jillian Lee, BHB, MBChB, FRACS (Ortho), NEW ZEALAND Hadi El-Daou, PhD, UNITED KINGDOM Adrian Carlos, MB ChB MSc FRCS (Tr&Orth), UNITED KINGDOM Livio Di Mascio, MBBS FRCS (Tr&Orth), UNITED KINGDOM Andrew A. Amis, FREng, DSc, PhD, UNITED KINGDOM
Limited Utility Of Plain Radiographs For Non-Traumatic Shoulder Pain In Patients Under 50 And Implications For Telemedicine In Orthopaedics ePoster Presentation Alexandria Lichtl, BA, UNITED STATES Amelia Fitterer, BA, UNITED STATES Patrick Horve, BS, UNITED STATES Christopher S. Lee, MD, MBA, UNITED STATES
Latarjet Vs Coracoid Free Graft For The Treatment Of Glenohumeral Anterior Instability In Patients Older Than 40 Years ePoster Presentation Peter Domos, MD, FRCS(Tr&Orth), UNITED KINGDOM Mikaël Chelli, MD, FRANCE Gilles Walch, MD, FRANCE
Smokers Benefit From Rotator Cuff Repair ePoster Presentation Kirsten Lundgreen, MD, PhD, NORWAY Christian Owesen, MD, PhD, NORWAY Sigbjorn Dimmen, Prof., MD, PhD, NORWAY Kjersti Kaul Jenssen, MD, PhD, NORWAY
The Orientation of the Acromion is Not Associated with Different Asymmetric Posterior Glenoid Erosion Patterns Abstract Presentation 5 minutes Alexander Otto, MD, GERMANY Bastian Scheiderer, MD, GERMANY Julian Mehl, MD, GERMANY ELIFHO OBOPILWE, ME, BSc, UNITED STATES Patrick J. Denard, MD, UNITED STATES Anthony A. Romeo, MD, UNITED STATES Augustus D. Mazzocca, MS, MD, UNITED STATES
Increased Glenohumeral Joint Loads Due To A Supraspinatus Tear Can Be Reversed With Rotator Cuff Repair: A Biomechanical Investigation Of Joint Preservation Award Winner 5 minutes Lukas Nawid Muench, MD, GERMANY Daniel P. Berthold, Association.-Prof., GERMANY Alexander Otto, MD, GERMANY Felix Dyrna, MD, GERMANY Ryan M Bell, BS, UNITED STATES ELIFHO OBOPILWE, ME, BSc, UNITED STATES Mark P. Cote, PT, DPT, MSCTR, UNITED STATES Andreas B. Imhoff, MD, Prof. Emeritus, GERMANY Augustus D. Mazzocca, MS, MD, UNITED STATES Knut Beitzel, Prof. Dr., GERMANY
Outcomes After Arthroscopic Rotator Cuff Repair In Patients 65 And Older: A Matched Analysis Abstract Presentation 5 minutes Scott Andrew Wu, BA, UNITED STATES Mark Andrew Plantz, BS, UNITED STATES Erik Gerlach, MD, UNITED STATES Nicholas Arpey, MD, UNITED STATES Peter Swiatek, MD, UNITED STATES Colin Cantrell, MD, UNITED STATES John Carney, MD, UNITED STATES Haley Smith, MD, UNITED STATES Eric Sanders, MD, UNITED STATES Vehniah K. Tjong, MD, FRCSC, UNITED STATES
Acromioclavicular Joint Disc Injury. Clinical Outcomes From Arthroscopic Resection of the Distal Clavicle and Joint. ePoster Presentation John Adam, FRCS Tr & Orth, UNITED KINGDOM Pratima Khincha, MBBS, D.Orth, M.Ch. , MRCS, FRCS T&O Edin Uk, INDIA Neil Jain, BM, MRCS(Ed), FRCS(Tr&Orth), UNITED KINGDOM
Surgical Technique And Prosthesis Geometry Affect In Vivo Kinematics, Strength, And Contact Path After Reverse Shoulder Arthroplasty Abstract Presentation 5 minutes Clarissa Levasseur, MS, UNITED STATES Ajinkya Rai, BS, UNITED STATES Gillian Kane, BS, UNITED STATES Alexandra Santina Gabrielli, MD, UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES William Anderst, PhD, UNITED STATES Albert Lin, MD, UNITED STATES
Effectiveness Of Latarjet For Anterior Shoulder Instability In Patients With Seizure Disorder ePoster Presentation Stephen G Thon, MD, UNITED STATES Katherine Branche, MD, UNITED STATES Darby Adele Houck, BA, UNITED STATES Eric C. McCarty, MD, UNITED STATES Adam Seidl, MD, UNITED STATES Armando F. Vidal, MD, UNITED STATES Michelle Wolcott, MD, UNITED STATES Rachel M. Frank, MD, UNITED STATES Jonathan T. Bravman, MD, UNITED STATES
Characterization Of Hill-Sachs Lesions Based On Location, Orientation, And Volume: A 3-Dimensional Modeling Study Of 100 Anterior Shoulder Instability Patients Abstract Presentation 5 minutes Justin W. Arner, MD, UNITED STATES Petar Golijanin, MD, MBA, UNITED STATES Liam A. Peebles, BA, UNITED STATES Brenton Douglass, MD, UNITED STATES Matthew T. Provencher, MD, UNITED STATES
Progression To Glenohumeral Arthritis After Arthroscopic Posterior Stabilization In A Young And High Demand Population Abstract Presentation 5 minutes Bobby Yow, MD, UNITED STATES Ashley Bee Anderson, MD, UNITED STATES Patrick K Mescher, MD, UNITED STATES Timothy Murphy, MD, UNITED STATES Sean E. Slaven, MD, UNITED STATES Jon F. Dickens, MD, UNITED STATES
Health Literacy in Shoulder Arthroscopy: A Quantitative Assessment of the Understandability and Readability of Online Patient Education Material ePoster Presentation Olivia O'Reilly, MD, UNITED STATES Mary Kate Skalitzky, BA, UNITED STATES Kyle Kesler, MD, UNITED STATES Alan Shamrock, MD, UNITED STATES Burke Gao, MD, UNITED STATES Trevor Gulbrandsen, MD, UNITED STATES Matthew J. Bollier, MD, UNITED STATES
Anchor Arthropathy After Arthroscopic Shoulder Stabilization: History, Exam, And Imaging Findings Abstract Presentation 6 minutes Matthew T. Provencher, MD, UNITED STATES Robert Walz, MD , UNITED STATES Jeffrey Wong, UNITED STATES Annalise Peebles, BA , UNITED STATES Petar Golijanin, MD, MBA, UNITED STATES Joseph J. Ruzbarsky, MD, UNITED STATES Justin W. Arner, MD, UNITED STATES Liam A. Peebles, BA, UNITED STATES Jonathan Godin, MD, MBA, UNITED STATES Peter J. Millett, MD, MSc, UNITED STATES
Biomechanical Comparison Of New Transosseous Rotator Cuff Repair Technique Versus Conventional Transosseous And Transosseous Equivalent Technique ePoster Presentation Suwittaya Thienpratharn, MD, THAILAND Ekavit Keyurapan, MD, THAILAND
Posterior Rotator Cuff Fatty Infiltration Associated With Increased Posterior Glenoid Wear In Glenohumeral Osteoarthritis: An Mri-Based Study Abstract Presentation 5 minutes Matthew J. Hartwell, MD, UNITED STATES Ryan Elijah Harold, MD Patrick Thomas Sweeney, MD, UNITED STATES Amee L Seitz, PT, DPT, PhD, UNITED STATES Guido Marra, MD Matthew D Saltzman, MD, UNITED STATES
Scapular Kinematics And Pattern Of Scapular Dyskinesis In Rotator Cuff Tears. A Prospective Cohort Study ePoster Presentation Umile Giuseppe Longo, MD, MSc, PhD, Prof., ITALY Laura Risi Ambrogioni, MD, ITALY Vincenzo Candela, ITALY Alessandra Berton, MD, ITALY Giuseppe Salvatore, MD, PhD, ITALY Vincenzo Denaro, MD, PhD, Prof., ITALY
A New Mini-Open Technique Of Arthroscopically Assisted Latarjet ePoster Presentation Ettore Taverna, MD, ITALY Vincenzo Guarrella, MD, ITALY Carlo Perfetti, MD, ITALY
An Arthroscopic Bone Block Procedure is Effective in Restoring Stability, Allowing Return to Sports in Cases of Glenohumeral Instability with Glenoid Bone Deficiency ePoster Presentation Ettore Taverna, MD, ITALY Vincenzo Guarrella, MD, ITALY Carlo Perfetti, MD, ITALY
The Influence of the Morphology of The Acromio-Clavicular Joint on The Postoperative Outcome Following Acute Stabilization - A Case Series of 81 Patients Abstract Presentation 5 minutes Marco-Christopher Rupp, MD, GERMANY Hannes Degenhardt, MD, GERMANY Sonja Obmann, GERMANY Matthias Feucht, MD, GERMANY Sebastian Siebenlist, MD, MHBA, Prof., GERMANY Andreas B. Imhoff, MD, Prof. Emeritus, GERMANY Bastian Scheiderer, MD, GERMANY Jonas Pogorzelski, MD, PhD, MHBA, GERMANY
Arthroscopic Reconstruction of the Glenoid Labrum with a Collagen Membrane Scaffold ePoster Presentation Giuseppe Milano, Prof., ITALY Alessandra Scaini, MD, ITALY Giuseppe Frizziero, MD, ITALY Niccolo Vaisitti, MD, ITALY Martina Re, MD, ITALY Giuseppe Bertoni, MD, ITALY Jacopo Maffeis, MD, ITALY Alessandro Colosio, MD, ITALY Marco Adriani, MD, ITALY Mac Donald Tedah Djemetio, MD, ITALY Marcello Motta, MD, ITALY Maristella Francesca Saccomanno, MD, PhD, ITALY
Higher Recurrence And Revision Rates With Arthroscopic Bankart Repair Compared To The Latarjet Procedure In Competitive Rugby Players With Glenohumeral Instability And A Glenoid Bone Loss < 20% ePoster Presentation Luciano Rossi, PhD, ARGENTINA Ignacio Tanoira, MD PhD, ARGENTINA Ignacio Pasqualini, MD, ARGENTINA Tomás David Gorodischer, MD, ARGENTINA Maximiliano Ranalletta, MD, ARGENTINA
Reverse Total Shoulder Arthroplasty For Glenoid Bone Loss Without A Rotator Cuff Tear: A Concise Follow Up At A Minimum Of Five Years ePoster Presentation Stephen C. Weber, MD, UNITED STATES Edward G McFarland, MD, FAAOS, UNITED STATES Prashant Meshram, MBBS, MS, DNB (Ortho), UNITED ARAB EMIRATES Jorge Rojas Llevano, MD, COLOMBIA Jacob Joseph, BS, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES
Pre- and Intra-operative Factors Affecting the Development of Post-operative Shoulder Stiffness. ePoster Presentation Pietro S. Randelli, MD, Prof., ITALY Alessandra Menon, MD, ITALY Sonia Maggi, MD, ITALY Francesca Maria Feroldi, MD, ITALY Emilia Tomarchio, MD, ITALY Max Julian Friedrich, MD, GERMANY Sebastian G. Walter, MD, GERMANY Davide Cucchi, MD, GERMANY
Recurrence of Arthroscopic Bankart Remplissage Reconstruction of Antero-inferior Shoulder Instability: Comparison between Collision vs. Non-Collision Athletes ePoster Presentation Pablo A. Narbona, MD, ARGENTINA Gabriel Arce, MD, ARGENTINA Manuel Olmos, MD, ARGENTINA Rafael Norberto Martinez Gallino, MD, ARGENTINA
The Association of Charlson and Elixhauser Comorbidity Indices and Patient-Reported Outcomes in a Population Undergoing Shoulder Arthroplasty ePoster Presentation William A. Marmor, MD, UNITED STATES Brandon Schneider, MS, UNITED STATES Gabriella Ode, MD, UNITED STATES Lawrence V. Gulotta, MD, UNITED STATES Daphne Ling, PhD, MPH, TAIWAN
Is it inevitable to have dynamic horizontal acromioclavicular joint instability with single Tightrope? A clinical retrospective study. ePoster Presentation Mohamed Safaa Eldeen Arafa, MD, EGYPT Mohamed Ibrahim, MD, EGYPT Alexandre Lädermann, MD, SWITZERLAND
Upper Limb Lengthening in Achondroplasia Using Unilateral External Fixation ePoster Presentation Antonio Arenas-Miquelez, MD, FEBOT, AUSTRALIA Lucas Arbeloa-Gutierrez, MD, SPAIN Blanca Vazquez, MD, SPAIN Julio De Pablos, Prof. MD, PhD., SPAIN
Evaluation Of Knotted Vs Knotless Medial Row Transosseous Equivalent Rotator Cuff Repair: A Retrospective Review ePoster Presentation Daniel Nemirov, BA, UNITED STATES Zachary J Herman, MD, UNITED STATES Ryan W. Paul, BS, UNITED STATES Ari Clements, BA, UNITED STATES Matthew Beucherie, BS, UNITED STATES Joseph Michael Brutico, BS, UNITED STATES Christopher J. Hadley, BS, UNITED STATES Michael G. Ciccotti, MD, UNITED STATES Kevin Freedman, MD, UNITED STATES Brandon Erickson, MD, UNITED STATES Sommer Hammoud, MD, UNITED STATES Meghan E. Bishop, MD, UNITED STATES
Arthroscopic Bankart Repair Using Clavicle Autograft in High Risk Patients ePoster Presentation Jeffrey S. Abrams, MD, UNITED STATES
Defining Critical Glenoid Bone Loss In Posterior Shoulder Capsulolabral Repair Abstract Presentation 5 minutes Justin W. Arner, MD, UNITED STATES Joseph J. Ruzbarsky, MD, UNITED STATES Kaare Midtgaard, MD, NORWAY Liam A. Peebles, BA, UNITED STATES James P. Bradley, MD, UNITED STATES Matthew T. Provencher, MD, UNITED STATES
Arthroscopic Bankart Repair Versus Open Latarjet Procedure For Recurrent Shoulder Dislocation: Which Is Better in Limited Resource Setting? ePoster Presentation Saroj Rai, MD, PhD, UNITED ARAB EMIRATES Binod Sherchan, MS, NEPAL
A Novel Button-Suture-Technique For Arthroscopic Treatment Of Anterior Glenoid Fractures – Excellent Clinical Outcome After A Minimum Of 6 Months ePoster Presentation Arasch Wafaisade, PD, GERMANY Andreas Karwatzke, MD, GERMANY Paola Kappel, MD, GERMANY Bertil Bouillon, MD, PhD, GERMANY Thomas R. Pfeiffer, Prof., GERMANY
Superior Capsule Reconstruction Does Partially Restore Glenohumeral Stability In Massive Posterosuperior Rotator Cuff Deficiency - A Dynamic Robotic Shoulder Model Abstract Presentation 4 minutes Lucca Lacheta, MD, GERMANY Alex Brady, MSc, UNITED STATES Samuel I Rosenberg, MD, UNITED STATES Travis Dekker, MD, UNITED STATES Ritesh Kashyap, MD, UNITED STATES Grant J Dornan, MS, UNITED STATES Matthew T. Provencher, MD, UNITED STATES Peter J. Millett, MD, MSc, UNITED STATES
Inlay Total Shoulder Arthroplasty For The Treatment Of Advanced Glenohumeral Arthritis In Powerlifters And Bodybuilders; "The Return To Lift" Abstract Presentation 4 minutes Luis A Vargas, MD, PhD, UNITED STATES John W. Uribe, MD, UNITED STATES John E. Zvijac, MD, UNITED STATES Kevin Allan West, MD, UNITED STATES Matthias Schurhoff, MD, UNITED STATES Kristina Kuklova, MD, UNITED STATES
Revisiting Percutaneous Fixation for Proximal Humerus Fractures ePoster Presentation Megan Diack, MBCHB, MRCSI, MCh, IRELAND Muhammad Nouman Baig, MBBS, ChM T&O, FEBOT, IRELAND Orla Hennessy, MB BaO BCh, MCh, IRELAND Ben Murphy, MB BCh BAO, MCh, MRCS, IRELAND Kenneth Kaar, FRCS (Tr and Ortho), IRELAND
Glenoid Lateralization Influences Active Internal Rotation After Reverse Shoulder Arthroplasty Abstract Presentation 5 minutes Brian C Werner, MD, UNITED STATES Evan Lederman, MD, UNITED STATES Reuben Gobezie, MD, UNITED STATES Patrick J. Denard, MD, UNITED STATES
Comparison Of Clinical And Structural Outcomes By Subscapularis Tendon Status In Massive Rotator Cuff Tear ePoster Presentation Jeong-Woo Kim, MD, KOREA, REPUBLIC OF
Urinary Tract Infections Diagnosed Within Two Weeks Prior To Shoulder Arthroplasty Are Associated With Increased Postoperative Infection Rates Abstract Presentation 3 minutes Jourdan Michael Cancienne, MD, UNITED STATES Brian C Werner, MD, UNITED STATES
Risk Factors for Retears Following repairs of Massive Rotator Cuff Tears With Or Without Involvement Of Subscapularis ePoster Presentation Silvampatti Ramasamy Sundararajan, MS(Orth), INDIA Rajagopalakrishnan Ramakanth, D.ortho, DNB(ortho), D.SICOT, INDIA Terence Dsouza, MS, DNB, FNB, INDIA S Rajasekaran, MS(Orth),DOrth,DNB,FRCS(Ed),FRCS(Lon),MCh(Liv),PhD, INDIA
High Correlation Between Inner And Outer Glenoid Circle Diameters And Its Clinical Relevance. Comparison Of The Itoi And Sugaya Circles In Glenoid Bone Loss ePoster Presentation Antonio Arenas-Miquelez, MD, FEBOT, AUSTRALIA Orestis Karargyris, MD, GREECE Petra Graham, PhD, AUSTRALIA Ralph Hertel, Prof., SWITZERLAND
Autograft VS Allograft VS Xenograft: Ct Scan Evaluation of Glenoid Grafting. Abstract Presentation 5 minutes Ettore Taverna, MD, ITALY Caterina Albizzini Ohin, MD, ITALY Vincenzo Guarrella, MD, ITALY Carlo Perfetti, MD, ITALY
Does The Position During Postoperative Physiotherapy Affect Outcome Of Arthroscopic Treatment Of Acromioclavicular Dislocation; A Prospective Comparative Study ePoster Presentation Tarek M. T. Ghandour, MD, EGYPT
Osteochondritis Dissecans Of The Glenoid : An Analysis Of Grades, Treatment And Outcomes. 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
Why Athletes Don’T Return To Sports After Arthroscopic Bankart Repair? A Comparative Study Of 230 Athletes With A Mínimum 2 Years Follow-Up ePoster Presentation Luciano Rossi, PhD, ARGENTINA Ignacio Tanoira, MD PhD, ARGENTINA Ignacio Pasqualini, MD, ARGENTINA Rodrigo Nicolás Brandariz, MD, ARGENTINA Maximiliano Ranalletta, MD, ARGENTINA
Outcome Comparison Of Graft Bridging And Superior Capsule Reconstruction For Large To Massive Rotator Cuff Tears Abstract Presentation 4 minutes Jinrong Lin, CHINA Yaying Sun, MD, CHINA Shaohua Liu, MD, CHINA Zheci Ding, MD, CHINA Jiwu Chen, MD, PhD, CHINA
The factors influencing postoperative cuff integrity of arthroscopic rotator cuff repair combined with muscle advancement for massive rotator cuff tear Abstract Presentation 5 minutes Yasuhiko Sumimoto, MD, JAPAN Shin Yokoya, MD, PhD, JAPAN Yohei Harada, MD, PhD, JAPAN Nobuo Adachi, MD, PhD, JAPAN
A Study For Monitoring Scapular Movements By Using Polymer-Encapsulated Strain Sensors Based On Conductive Textile ePoster Presentation Umile Giuseppe Longo, MD, MSc, PhD, Prof., ITALY Arianna Carnevale, Eng, ITALY Emiliano Schena, Eng, ITALY Carlo Massaroni , Eng, ITALY Vincenzo Candela, ITALY Alessandra Berton, MD, ITALY Giuseppe Salvatore, MD, PhD, ITALY Vincenzo Denaro, MD, PhD, Prof., ITALY
Open Versus Modi?ed Arthroscopic Treatment Of Acute Acromioclavicular Dislocation Using A Single Tight Rope: Randomized Comparative Study Of Clinical Outcome And Cost-Effectiveness ePoster Presentation Tarek M. T. Ghandour, MD, EGYPT
Button Fixation Does Not Affect the Learning Curve and Short-Term Radiographic Outcomes for Arthroscopic Anatomic Glenoid Reconstruction with Distal Tibia Allograft ePoster Presentation Alexander Harper, BSc, CANADA Sara Sparavalo, B.Sc., M.A.Sc., CANADA Jie Ma, CANADA Ivan Wong, MD, FRCSC, MACM, Dip. Sports Med, CANADA
Do Psychosocial Factors Affect Outcomes After Arthroscopic Rotator Cuff Repair? ePoster Presentation Maxime Antoni, MD, FRANCE Clément Dujeux, MD, FRANCE Charles Thery, MD, FRANCE Philippe Clavert, MD, PhD, FRANCE
Diagnostic Value Of Measurements Methods For Bony Bankart Lesions ePoster Presentation Mirco Sgroi, MD, GERMANY Hashuka Huzurudin, MD, GERMANY Marius Ludwig, MD, GERMANY Heiko Reichel, Prof., GERMANY Thomas Kappe, MD, Prof., GERMANY
Graft Augmented Osteosynthesis Of Proximal Humerus Fracture In Osteoporotic Fractures ePoster Presentation Dr.Neelanagowda V P Patil, MBBS , MS , INDIA Arun Gr, MBBS,MS,FASM, INDIA Ravi G R, MBBS,MS orthopaedics , INDIA Manohar Rao H R, MS ORTHOPAEDICS, INDIA
Benefits Of The Recenter: An Arthroscopic Bankart Repair Augmentation For Recurrent Anterior Shoulder Instability With Minimum 2-Year Follow-Up ePoster Presentation Kevin Picard, MD, FRANCE Jean-David Raphael Werthel, MD, PhD, Prof, FRANCE Thomas Bauer, MD, PhD, FRANCE Alexandre Hardy, MD, FRANCE
Location of the Suture Anchor in Hill-Sachs Lesion Could Influence Glenohumeral Cartilage Quality and Limit Range of Motion After Arthroscopic Bankart Repair and Remplissage Abstract Presentation 5 minutes Zheci Ding, MD, CHINA Jiwu Chen, MD, PhD, CHINA
Reconstruction With Tricortical Iliac Bone Graft In Patients With Shoulder Recurrent Anterior Instability With Bone Loss A Modified Eden Hybinette Technique ePoster Presentation Octavio Martinez Montiel, MD, MEXICO Adrian Aziz Cortes De La Fuente, MD, MEXICO Luis Alberto Jasso Ramirez, MD, MEXICO Gerson Valencia, MEXICO
Development Of An Experimental Model Of Glenohumeral Osteoarthritis: Effect Of Arthroscopic Tenotomy Of The Long Head Of The Biceps Tendon And Section Of The Anterior Joint Capsule ePoster Presentation Vincenzo Candela, ITALY Umile Giuseppe Longo, MD, MSc, PhD, Prof., ITALY Salvatore Maria Maria Tecce, MD, ITALY Francisco Forriol, MD, PhD, SPAIN Jose R Altonaga, MD, SPAIN Andrew L Wallace, MD, UNITED KINGDOM Vincenzo Denaro, MD, PhD, Prof., ITALY
The epidemiology of acute acromioclavicular dislocations in an urban population. A prospective cohort study investigating the capital region of Denmark ePoster Presentation Kristine Bramsen Haugaard, MD, DENMARK Klaus Bak, MD, DENMARK Per Hölmich, DMSc, Prof., DENMARK Kristoffer Michael Seem, MD, DENMARK Kristoffer W. Barfod, MD, PhD, Prof., DENMARK
How Low Can You Go? A Biomechanical Study Analyzing Coracoid Stability After Coracoplasty Abstract Presentation 5 minutes Lukas F. Heilmann, MD, GERMANY Julia Sußiek, , GERMANY Michael J. Raschke, MD, Prof., GERMANY Andre Frank, MSc, GERMANY Jens Wermers, MD, GERMANY Philipp Michel, MD, GERMANY Felix Dyrna, MD, GERMANY Benedikt Schliemann, MD, GERMANY J. Christoph Katthagen, MD, GERMANY
Outpatient Vs. Inpatient Reverse Total Shoulder Arthroplasty: Outcomes And Complications ePoster Presentation Brandon Erickson, MD, UNITED STATES Yousef Shishani, MD, UNITED STATES Stacy Jones, UNITED STATES Justin W. Griffin, MD, UNITED STATES Anthony A. Romeo, MD, UNITED STATES Reuben Gobezie, MD, UNITED STATES
Does Medialization Of Glenoid Bone-Baseplate Interface Caused By Eccentric Reaming Influence Outcomes Of Reverse Shoulder Arthroplasty? Abstract Presentation 5 minutes Prashant Meshram, MBBS, MS, DNB (Ortho), UNITED ARAB EMIRATES Jorge Rojas Llevano, MD, COLOMBIA Stephen C. Weber, MD, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES Edward G McFarland, MD, FAAOS, UNITED STATES
Utilization Of Patient-Reported Outcomes Measurement Information System (Promis) For Operative Shoulder Outcomes. ePoster Presentation Ilona Schwarz, MS, UNITED STATES John-Rudolph H. Smith, BS, UNITED STATES Darby Adele Houck, BA, UNITED STATES Rachel M. Frank, MD, UNITED STATES Jonathan T. Bravman, MD, UNITED STATES Eric C. McCarty, MD, UNITED STATES
Preoperative Computerized Tomography Predicts Coracoid Graft Size And Restoration Of The Glenoid Track In Patients Undergoing Latarjet Procedures Abstract Presentation 8 minutes Brian M Godshaw, MD, UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES Stephanie Boden, MD, UNITED STATES Albert Lin, MD, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES
Arthroscopic Latarjet Procedure For Recurrence Of Anterior Shoulder Instability After Failed Arhroscopic Bankart Repair Abstract Presentation 4 minutes Manuel Olmos, MD, ARGENTINA Mikaël Chelli, MD, FRANCE Jakub Stefaniak, MD, POLAND David J Saliken, MD FRCSC, CANADA Patrick Gendre, MD, FRANCE Gilles Clowez, MD, FRANCE Pascal Boileau, MD, Prof., FRANCE
All-Arthroscopic muscle advancement repair technique for massive postero-superior rotator cuff tears Abstract Presentation 6 minutes Andrew Ker, MBChB, BSc (Hons), FRCSed (T+O), UNITED KINGDOM Jashint Maharaj, MBBS, FRSPH, AUSTRALIA Bart-Jan Jd Veen, MD, NETHERLANDS Kenneth Cutbush, MBBS, FRACS, FAOrthA, AUSTRALIA Ashish Gupta, MBBS, MSc, FRACS, FAORTHOA, AUSTRALIA
Significant Variability Exists In Preoperative Planning Software Measures Of Glenoid Morphology For Shoulder Arthroplasty Abstract Presentation 5 minutes Nicholas C. Laucis, MD, UNITED STATES Alex R. Webb, MD, UNITED STATES David X. Wang, MD, UNITED STATES Daniel M Dean, MD, UNITED STATES Joseph L. Rabe, MD, UNITED STATES David Matthew Lutton, MD, UNITED STATES Steven B Soliman, DO, RMSK, UNITED STATES Blake M. Bodendorfer, MD, UNITED STATES
Arthroscopic Bone Block Stabilisation Procedures For Glenoid Bone Loss In Anterior Glenohumeral Instability: A Systematic Review Of Clinical And Radiological Outcomes Abstract Presentation 5 minutes Muaaz Tahir, BSc, MBBS, FRCS, UNITED KINGDOM Shahbaz S Malik, BSc, MB BCh, MSc (Orth Engin), LLM, FRCS (Tr&Orth), UNITED KINGDOM Robert Jordan, MB BS, MSc, FRCS (Tr&Orth), UNITED KINGDOM Madara Kronberga , MB BS, UNITED KINGDOM Peter Alberto D'Alessandro, MBBS Hons. (UWA) FRACS FAOrthA, AUSTRALIA Adnan Saithna, MD, FRCS, UNITED STATES
Do Pre-Op Corticosteroid Injections Increase Infections, Re-Ruptures And Revisions In Primary Arthroscopic Rotator Cuff Repair? Abstract Presentation 4 minutes Kevin D. Plancher, MD, MPH, UNITED STATES Grace Plassche, BS, UNITED STATES Stephanie C. Petterson, MPT, PhD, UNITED STATES
Relationship Between Critical Shoulder Angle And Retear Rate After Arthroscopic Rotator Cuff Repair ePoster Presentation Christopher John Como, BSE, UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES Albert Lin, MD, UNITED STATES
Value-Based Care In Shoulder Arthroscopy: a Lean-Based Banyan Board Project Management Tool For Arthroscopic Rotator Cuff Repair Or Biceps Tenodesis ePoster Presentation Michael A Mastroianni, MS, UNITED STATES Alegra Mendez, BS, UNITED STATES Jeffrey Shi, BS, UNITED STATES Bradley Garcia, BS, UNITED STATES Marshal S Armitage, MD, UNITED STATES Frank McCormick, MD, UNITED STATES
Ligamentous And Capsular Contributions To Anterior-Posterior And Superior-Inferior Stability Of The Acromioclavicular Joint Abstract Presentation 4 minutes Mohamed Alkoheji, MB BCh FRCS (Tr&Orth), BAHRAIN Jillian Lee, BHB, MBChB, FRACS (Ortho), NEW ZEALAND Hadi El-Daou, PhD, UNITED KINGDOM Adrian Carlos, MB ChB MSc FRCS (Tr&Orth), UNITED KINGDOM Livio Di Mascio, MBBS FRCS (Tr&Orth), UNITED KINGDOM Andrew A. Amis, FREng, DSc, PhD, UNITED KINGDOM
Coracoclavicular Fixation Techniques For Neer IIb And ‘Extra-Lateral’ Fractures Of The Distal Clavicle: A Systematic Review And Case Series ePoster Presentation Andreas Panagopoulos, Associate Professor, GREECE Solou Konstantina, MD, MSc, GREECE Marios Nicolaides, MSc, UNITED KINGDOM Ioannis K Triantafyllopoulos, MD, MSci, PhD, FEBOT, GREECE Antonios T. Kouzelis, MD, PhD, GREECE Zinon Kokkalis
Should glenoid bone grafting only be used for previously failed Bankart stabilizations? The clinical outcomes of primary versus revision surgery using arthroscopic anatomic glenoid reconstruction for anterior shoulder instability. Abstract Presentation 5 minutes Ryland Murphy, BSc, CANADA Sara Sparavalo, B.Sc., M.A.Sc., CANADA Jie Ma, CANADA Ivan Wong, MD, FRCSC, MACM, Dip. Sports Med, CANADA
Epidemiology, Treatment Concepts And Complications After Periprosthetic Humeral Fractures - A Multicenter Data Analysis ePoster Presentation Sandra Boesmueller, MD, PhD, AUSTRIA Greta Lorenz, MD, AUSTRIA Daniel Schallmayer, MD, AUSTRIA Oliver Holub, MD, AUSTRIA Rudolf Maximilian Kinsky, MD, AUSTRIA Christian Fialka, AUSTRIA Rainer Mittermayr, MD, MBA, AUSTRIA
Minimum 10-Year Clinical And Functional Outcomes Following Arthroscopic 270° Labral Repair In Traumatic Shoulder Instability Involving Anterior, Inferior, And Posterior Labral Injury Abstract Presentation 6 minutes Daniel P. Berthold, Association.-Prof., GERMANY Matthew R. Levasseur, MD, UNITED STATES Lukas Nawid Muench, MD, GERMANY Michael R. Mancini, BS, UNITED STATES Julianna Lee, BS, UNITED STATES Knut Beitzel, Prof. Dr., GERMANY Andreas B. Imhoff, MD, Prof. Emeritus, GERMANY Robert A. Arciero, MD, UNITED STATES Bastian Scheiderer, MD, GERMANY Sebastian Siebenlist, MD, MHBA, Prof., GERMANY Augustus D. Mazzocca, MS, MD, UNITED STATES
Return To Sport After Surgical Management Of Posterior Shoulder Instability: A Systematic Review And Meta-Analysis ePoster Presentation Kyle Gouveia, MD, CANADA Jeffrey Kay, MD, CANADA Muzammil Memon, MD, CANADA Nicole Simunovic, MSc, CANADA Asheesh Bedi, MD, UNITED STATES Olufemi R. Ayeni, MD, PhD, MSc, FRCSC, CANADA
Use Of Preoperative Advanced Imaging For Reverse Total Shoulder Arthroplasty Abstract Presentation 5 minutes Jourdan Michael Cancienne, MD, UNITED STATES Patrick J. Denard, MD, UNITED STATES Brian C Werner, MD, UNITED STATES
Failure After Arthroscopic Acromioclavicular Fixation Using Tight Rope; Is It Related To Coracoid Tunnel Dilatation! A Ct Based Study ePoster Presentation Begad H. M. Z. Abdelrazek, M.Sc., MD, FRCS Trauma and Orthopedics, EGYPT Mohamed Refaat Waly, MD,MRCS, EGYPT Ahmed Fouad Seifeldin , MD, MRCS, EGYPT Ahmed Samir Samir Elkalyoby, MD, EGYPT Ahmed Rezk, EGYPT Khaled As Shohayeb, MD, Prof., EGYPT
Increased Abduction Range Of Motion During Functional Activities Is Associated With Improved Patient-Reported Outcomes After Reverse Shoulder Arthroplasty Abstract Presentation 5 minutes Christopher John Como, BSE, UNITED STATES Clarissa Levasseur, MS, UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES William Anderst, PhD, UNITED STATES Albert Lin, MD, UNITED STATES
Classic Vs Congruent-Arc Latarjet Procedure In Athletes With Recurrent Glenohumeral Instability And A Significant Glenoid Bone Loss Abstract Presentation 4 minutes Luciano Rossi, PhD, ARGENTINA Ignacio Tanoira, MD PhD, ARGENTINA Tomás David Gorodischer, MD, ARGENTINA Maximiliano Ranalletta, MD, ARGENTINA
The Biomechanical Consequences Of Isolated, Massive And Irreparable Posterosuperior Rotator Cuff Tears On The Glenohumeral Joint: A Dynamic Biomechanical Investigation Of Rotator Cuff Tears Abstract Presentation 7 minutes Daniel P. Berthold, Association.-Prof., GERMANY Lukas Nawid Muench, MD, GERMANY Ryan M Bell, BS, UNITED STATES Colin Uyeki, BS, UNITED STATES Augustus D. Mazzocca, MS, MD, UNITED STATES ELIFHO OBOPILWE, ME, BSc, UNITED STATES Andreas B. Imhoff, MD, Prof. Emeritus, GERMANY Knut Beitzel, Prof. Dr., GERMANY
Comparing Outcomes of Rotator Cuff Repair Following Acute Tendon Ruptures and Concurrent Shoulder Dislocations vs Acute Tendon Ruptures without Shoulder Dislocation ePoster Presentation Adam Eibel, BS, BA, UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES Clair Smith, MSc, UNITED STATES Adam J. Popchak, DPT, PhD, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Albert Lin, MD, UNITED STATES
Does The Posterior Glenoid Osteotomy Reduce The Rate Of Recurrence Inpatients With Posterior Shoulder Instability – A Systematic Review. ePoster Presentation Shahbaz S Malik, BSc, MB BCh, MSc (Orth Engin), LLM, FRCS (Tr&Orth), UNITED KINGDOM Muaaz Tahir, BSc, MBBS, FRCS, UNITED KINGDOM Robert Jordan, MB BS, MSc, FRCS (Tr&Orth), UNITED KINGDOM Peter B. MacDonald, MD, FRCS, Dip Sport Med, CANADA
Clinical Outcomes Of Rotator Cuff Repair As A Function Of Time To Surgery: A Retrospective Cohort Study ePoster Presentation Logan Finger, MD, UNITED STATES Robin H Dunn, MD, UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES Albert Lin, MD, UNITED STATES
Inlay Total Shoulder Arthroplasty For Primary Glenohumeral Arthritis Abstract Presentation 5 minutes John W. Uribe, MD, UNITED STATES John E. Zvijac, MD, UNITED STATES Luis A Vargas, MD, PhD, UNITED STATES David A. Porter, MD, UNITED STATES Anshul Saxena, BDS, PhD, UNITED STATES Matthias Schurhoff, MD, UNITED STATES Andrew Payomo, MD student, UNITED STATES
Clinical Outcomes Of Rotator Cuff Anterior Cable Reconstruction With Long Head Of Biceps Tendon Autograft ePoster Presentation Raymond Chen, MD, UNITED STATES Ilya Voloshin, MD, UNITED STATES
Outcomes Of Arthroscopic Latarjet Procedure For Anterior Glenohumeral Instability In Patients With Epilepsy. A Case-Control Study Abstract Presentation 4 minutes Lika Dzidzishvili, MD, PhD, SPAIN Claudio Calvo Palma, MD, PhD, CHILE María Valencia Mora, MD, PhD, SPAIN Diana Morcillo Barrenechea, MD, SPAIN Antonio Foruria, MD, PhD, SPAIN Emilio Calvo, MD, PhD, MBA, SPAIN
Health Literacy in Shoulder Arthroplasty: A Quantitative Assessment of the Readability, Understandability, And Actionability of Online Patient Education Material ePoster Presentation Trevor Gulbrandsen, MD, UNITED STATES Olivia O'Reilly, MD, UNITED STATES Burke Gao, MD, UNITED STATES Alan Shamrock, MD, UNITED STATES Brendan Patterson, MD, UNITED STATES
Does Acromioclavicular Joint Tenderness Affect The Outcome Of Rotator Cuff Repair? A Prospective Cohort Study ePoster Presentation Priyadarshi Amit, MS, DNB, MRCSEd, MCh, FRCS, UNITED KINGDOM Shahbaz S Malik, BSc, MB BCh, MSc (Orth Engin), LLM, FRCS (Tr&Orth), UNITED KINGDOM Samir Massoud, FRCS, UNITED KINGDOM
Clinical outcomes of Arthroscopic Latarjet as a Revision Surgery after Failed Arthroscopic Bankart Repair ePoster Presentation Lika Dzidzishvili, MD, PhD, SPAIN Claudio Calvo Palma, MD, PhD, CHILE María Valencia Mora, MD, PhD, SPAIN Antonio Foruria, MD, PhD, SPAIN Emilio Calvo, MD, PhD, MBA, SPAIN
Magnetic Resonance Imaging Classification For The Assessment Of Tendon Integrity Of The Rotator Cuff After Repair. A Reliability Study ePoster Presentation Alessandra Scaini, MD, ITALY Maristella Francesca Saccomanno, MD, PhD, ITALY Marcello Motta, MD, ITALY Alessandro Colosio, MD, ITALY Marco Adriani, MD, ITALY Giuseppe Bertoni, MD, ITALY Niccolo Vaisitti, MD, ITALY Giuseppe Frizziero, MD, ITALY Alberto Maurizio, MD, ITALY Mac Donald Tedah Djemetio, MD, ITALY Emanuele Maggini, MD, ITALY Giuseppe Milano, Prof., ITALY
Proximal And Mid-Thigh Fascia Lata Graft Constructs Used For Arthroscopic Superior Capsular Reconstruction Show Equivalent Biomechanical Properties. An In Vitro Human Cadaver Study Abstract Presentation 5 minutes Clara Azevedo, MD, PhD, PORTUGAL Ana Catarina Ângelo, MD, PORTUGAL Carlos Quental, PhD, Prof., PORTUGAL Sérgio Gonçalves, MsC, PORTUGAL João Folgado, PhD, Prof., PORTUGAL Nuno Vieira Ferreira, MD, PORTUGAL Nuno Sevivas, MD, PhD, PORTUGAL
Reverse shoulder arthroplasty humeral and glenoid variations influence on range of motion: a standardized computer model study Abstract Presentation 5 minutes Antonio Arenas-Miquelez, MD, FEBOT, AUSTRALIA Richard James Murphy, MBChB MA MRCS DPhil FRCS(Orth), UNITED KINGDOM Andrea Rosa, PhD, SWITZERLAND Davide Caironi, ., ITALY Matthias A. Zumstein, Prof., SWITZERLAND
Histological changes during healing with autologous fascia lata graft after superior capsule reconstruction for the irreparable supraspinatus tear in a rabbit model Abstract Presentation 5 minutes Akihiko Hasegawa, MD, PhD, JAPAN Teruhisa Mihata, MD, PhD, JAPAN Yasuo Itami, MD, PhD, JAPAN Kunimoto Fukunishi, MD, JAPAN Masashi Neo, MD, PhD, Prof., JAPAN
Incidence And Complications Of Primary And Revision Shoulder Arthroplasty From 2010-2018 Abstract Presentation 5 minutes Christopher L. McCrum, MD, UNITED STATES Jacob Thomas Wood, BS, UNITED STATES Michael Khazzam, MD, UNITED STATES Senthil Sambandam, MD, UNITED STATES
Arthroscopic Rotator Cuff Repair: Outcomes After Knotted Verses Knotless Double Row Transosseous Equivalent Repair Techniques ePoster Presentation Michael Andrew Fox, MD, UNITED STATES Jonathan D Hughes, MD, PhD, UNITED STATES Nyaluma N. Wagala, MD, UNITED STATES Neel K. Patel, MD, UNITED STATES Adam J. Popchak, DPT, PhD, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Albert Lin, MD, UNITED STATES
Open Subpectoral Biceps Tenodesis Versus Arthroscopic Repair For Slap Tears In Patients Under 30 Abstract Presentation 4 minutes Eoghan T. Hurley, MB, BCh, MCh, IRELAND Christopher Angelo Colasanti, MD, UNITED STATES Nathan A Lorentz, BS , UNITED STATES Kirk Anthony Campbell, MD, UNITED STATES Laith M. Jazrawi, MD, UNITED STATES Eric Jason Strauss, MD Bogdan Matache, MD, CANADA Michael J Alaia, MD, UNITED STATES
Micromotion Of Symmetry And Asymmetry Prostheses Designs With Different Curvature And Variable Peg Length Cemented And Uncemented Using Finite Element Analysis. ePoster Presentation Farid Amirouche, PhD, UNITED STATES Jason L. Koh, MD, MBA, UNITED STATES Siddhant Thakur, MS, UNITED STATES
Platelet Rich Plasma in Arthroscopic Rotator Cuff Repair: Clinical and Radiological Results of a Prospective Rct Study at 10-Year Follow-Up Abstract Presentation 4 minutes Pietro S. Randelli, MD, Prof., ITALY Carlo Stoppani, MD, ITALY Gianvito Santarsiero, MD, ITALY Elisabetta Nocerino, MD, ITALY Alessandra Menon, MD, ITALY
Is Interposition Allograft Bridging Reconstruction Appropriate in Patients Older Than 60 Years Old? A Retrospective Mid-Term Analysis ePoster Presentation Ivan Wong, MD, FRCSC, MACM, Dip. Sports Med, CANADA Sara Sparavalo, B.Sc., M.A.Sc., CANADA Jie Ma, CANADA
From open to arthroscopic Latarjet; An evaluation of the learning curve of the first 103 cases Abstract Presentation 5 minutes Berte Bøe, MD, PhD, NORWAY Ingvild Blich, PT, NORWAY Ragnhild Øydna Støen, MD, PhD, NORWAY Gilbert Moatshe, MD, PhD, NORWAY Tom Clement Ludvigsen, MD, NORWAY
Low Possibility Of Developing Degenerative Changes After Arthroscopic Remplissage Augmenting The Classic Bankart Repair. Radiological Results After 10 Years Follow Up Abstract Presentation 5 minutes Prodromos Natsaridis, MD, MSc, GREECE Emmanouil V. Brilakis, MD, MSc, PhD, GREECE Stefania Kokkineli, MD, GREECE Emmanuel M. Antonogiannakis, MD, GREECE
Treatment of Massive Irreparable Rotator Cuff Tears without Arthritis: A Comparison of Superior Capsular Reconstruction, Partial Rotator Cuff Repair, and Reverse Total Shoulder Arthroplasty Abstract Presentation 6 minutes Travis Frantz, MD, UNITED STATES Marisa Ulrich, BS, UNITED STATES Joshua Scott Everhart, MD, MPH, UNITED STATES Andrew Mundy, MD, UNITED STATES Jonathan D Barlow, MD Grant L. Jones, MD, UNITED STATES Gregory L. Cvetanovich, MD, UNITED STATES Julie Bishop, MD, UNITED STATES
Timing Of Return To Hitting Following Ulnar Collateral Ligament Reconstruction In Professional Baseball Players Abstract Presentation 5 minutes Brandon Erickson, MD, UNITED STATES Peter Chalmers, MD, UNITED STATES John D'Angelo, BA, UNITED STATES Kevin Ma, BS, UNITED STATES Scott Sheridan, ATC, UNITED STATES Mark Steven Schickendantz, MD, UNITED STATES Anthony A. Romeo, MD, UNITED STATES
Health Literacy in Shoulder Labral Repair: A Quantitative Assessment of the Understandability and Readability of Online Patient Education Material ePoster Presentation Olivia O'Reilly, MD, UNITED STATES Mary Kate Skalitzky, BA, UNITED STATES Alan Shamrock, MD, UNITED STATES Burke Gao, MD, UNITED STATES Trevor Gulbrandsen, MD, UNITED STATES Brendan Patterson, MD, UNITED STATES
The Risk of Iatrogenic Radial Nerve and/or Profunda Brachii Artery Injury in Humeral Plating using a 4.5 mm Narrow DCP: A Cadaveric Study Abstract Presentation 5 minutes Chaiwat Chuaychoosakoon, MD, THAILAND Supatat Chirattikalwong, MD, THAILAND Watit Wuttimanop, MD, THAILAND Tanarat Boonriong, Principal, THAILAND Wachiraphan Parinyakhup, MD, THAILAND Sitthiphong Suwannaphisit, MD, THAILAND
Lateralized Glenosphere Reverse Shoulder Arthroplasty: Inlay And Onlay Designs Have Similar Clinical Outcomes In Patients With Glenohumeral Osteoarthritis ePoster Presentation Prashant Meshram, MBBS, MS, DNB (Ortho), UNITED ARAB EMIRATES Stephen C. Weber, MD, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES Edward G McFarland, MD, FAAOS, UNITED STATES
Primary Interposition Dermal Allograft Cuff Reconstruction Is Superior To Revision After Failed Cuff Repair: A Clinical and Radiographic Analysis Abstract Presentation 4 minutes Ivan Wong, MD, FRCSC, MACM, Dip. Sports Med, CANADA Nedal Alkhatib, MD, CANADA Sara Sparavalo, B.Sc., M.A.Sc., CANADA Jie Ma, CANADA
Interrater Reliability of Novice Sonographers Performing Ultrasonographic Measurements of Subacromial Structures in Patients With Subacromial Pain. Abstract Presentation 4 minutes Karen Mikkelsen, MD, DENMARK Adam Witten, MD, DENMARK Birgitte Hougs Kjær, PT, PhD, DENMARK Per Hölmich, DMSc, Prof., DENMARK Kristoffer W. Barfod, MD, PhD, Prof., DENMARK

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Predicting Factors For Achieving Minimally Clinical Important Difference After Primary Shoulder Arthroplasty: A Machine Learning Model

Predicting Factors For Achieving Minimally Clinical Important Difference After Primary Shoulder Arthroplasty: A Machine Learning Model

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Predicting Factors For Achieving Minimally Clinical Important Difference After Primary Shoulder Arthroplasty: A Machine Learning Model

Predicting Factors For Achieving Minimally Clinical Important Difference After Primary Shoulder Arthroplasty: A Machine Learning Model

Methods

Results

Conclusion