Summary: No longterm difference in clinical outcome in patients with acute AC joint dislocation Rockwood type III and V treated with physiotherapy or surgery

Aim

To evaluate outcome after surgery and conservative treatment of acute acromioclavicular joint dislocation Rockwood type III and V

Background

Acromioclavicular joint (AC joint) dislocation is a common injury among sport-active young to middle-aged people. AC joint dislocations Rockwood type I and II are treated conservatively. Treatment of grade III is controversial, while surgery is often recommended for grade V.

Methods

A prospective randomized clinical trial comparing the results after surgery or conservative treatment of acute Rockwood type III and V dislocation was performed.
Patients aged 18-65 years were included after classification of the AC-joint dislocation on plain radiographs of both shoulders, information and written consent. Patients were randomized to surgical treatment with hook plate within 3 weeks after injury, or physiotherapy. The hook plate was routinely removed after 3 months. Clinical follow-up was performed at 3, 6, 12 and 24 months by an orthopedic surgeon and a blinded physiotherapist. Primary outcome was Constant score (CS). Secondary outcomes were Subjective Shoulder Value (SSV), QuickDASH, shoulder pain at rest and during activity on a Visual Analogue Scale 0-10, EQ5D and adverse events. Radiographic follow up with plain radiographs was performed at 24 months. Statistical data analysis was performed by an unbiased evaluator and data was analyzed by intention-to-treat (ITT).

Results

124 patients were enrolled and randomized in the study; 114 men and 10 women with a mean age of 40 years (range 18-64). At 1 month patients treated without surgery had significantely better EQ-5D index. At 3 months patients treated conservatively had significant better CS compared to patients treated with surgery (Rockwood III 81 vs 57, Rockwood V 84 vs 64, p<0.001) as well as significantly less pain during movement on a VAS scale compared to patients treated with surgery (Rockwood type III 1.5 vs 2.8, Rockwood V 1.5 vs 2, p=0.002). SSV at 3 months was significantly better for the conservatively treated patients (Rockwood III 73 vs 50, Rockwood V 73 vs 57, p<0.001) as well as Quick-DASH (Rockwood III 18 vs 34, Rockwood V 13 vs 32, p<0.001).
Follow-up at 6, 12 and 24 months showed no significant difference between the groups.

At 24 months CS for patients with Rockwood III and non-surgical treatment was 88 vs 91 after surgical treatment and for Rockwood V CS was 90 for non-surgical treatment vs 91 after surgical treatment, p=0.477.

Of the patients assigned to physiotherapy, 11 patients (18%, 6 type III and 5 type V), chose to have secondary surgery within 19 months (range 6-19).

Conclusion

Both treatments groups had very good restoration of shoulder function at 24 months, and operative treatment did not lead to better outcome compared to conservative treatment. In conclusion, our study did not support surgery with hook plate for patients with acute AC joint dislocation Rockwood type III or V.

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Bristow Versus Latarjet In High-Demand Athletes With Anterior Shoulder Instability: A Prospective Randomized Comparison Abstract Presentation 5 minutes Paulo S. Belangero, MD, PhD, BRAZIL Paulo Henrique Schmidt Lara, MD, BRAZIL Leandro MASINI Ribeiro, BRAZIL Eduardo A. Figueiredo, MD, BRAZIL Carlos V. Andreoli, PhD, BRAZIL Alberto C. Pochini, MD, PhD, BRAZIL Benno Ejnisman, MD, BRAZIL Ricardo Luiz Smith, Prof., BRAZIL
Shoulder Surgery Post-Op Immobilization: An International Survey Of 499 Specialist Shoulder Surgeons Abstract Presentation 5 minutes Michael T. Freehill, MD, UNITED STATES Iain Robert Murray, MD, PhD, UNITED KINGDOM Emilio Calvo, MD, PhD, MBA, SPAIN Alexandre Lädermann, MD, SWITZERLAND Uma Srikumaran, MD, MBA, MPH, UNITED STATES
Establishing Minimal Clinically Important Difference In The Shoulder Activity Level Rating Scale After Shoulder Surgery ePoster Presentation Darby Adele Houck, BA, UNITED STATES Ian L Verbeck, MS, UNITED STATES Eric C. McCarty, MD, UNITED STATES Rachel M. Frank, MD, UNITED STATES Michelle Wolcott, MD, UNITED STATES Adam Seidl, MD, UNITED STATES Jonathan T. Bravman, MD, UNITED STATES
Pre- and Intra-operative Factors Affecting the Development of Post-operative Shoulder Stiffness. ePoster Presentation Pietro Simone 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
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
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
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
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
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
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
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
Relation Between Sleep Position And Rotator Cuff Tears Abstract Presentation 5 minutes David P Richards, MD, FRCSC, UNITED STATES Daniel Miller, MD, CANADA David MacDonald, BSc.P.T., MBA, CANADA Stephen D Miller, MD, FRCSC, CANADA Quinn F. Stewart, BSc, CANADA
Latarjet-Patte Procedure Vs Modified Bristow-Latarjet Repair For Recurrent Anterior Dislocation Of The Shoulder. Our Experience In The Last 15 Years. ePoster Presentation Maximiliano Ibañez, MD, SPAIN Marta Comas Aguilar, MD, SPAIN Maria Teresa Marlet Jordana, MD, SPAIN Lautaro Candioti Benassi, MD, SPAIN Victor Marlet Naranjo, MD, SPAIN Xavier Mir, SPAIN
Strength of elbow flexion and forearm supination after long head biceps treatment during rotator cuff repair Abstract Presentation 5 minutes Yohei Harada, MD, PhD, JAPAN Shin Yokoya, MD, PhD, JAPAN Yasuhiko Sumimoto, MD, JAPAN Nobuo Adachi, MD, PhD, JAPAN
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
Suprascapular Nerve Block Provides Adequate Analgesia Following Shoulder Arthroscopy ePoster Presentation Michael Warren, MD, UNITED STATES Brian M Godshaw, MD, UNITED STATES Michael Nammour, MD, UNITED STATES Misty Suri, MD, UNITED STATES
Reliability Of A Three-Dimensional Evaluation Of Bipolar Bone Defects In Anterior Gleno-Humeral Instability ePoster Presentation Giuseppe Bertoni, MD, ITALY Maristella Francesca Saccomanno, MD, PhD, ITALY Alessandra Scaini, MD, ITALY Jacopo Maffeis, MD, ITALY Alessandro Colosio, MD, ITALY Marco Adriani, MD, ITALY Marcello Motta, MD, ITALY Niccolo Vaisitti, MD, ITALY Giuseppe Frizziero, MD, ITALY Alberto Maurizio, MD, ITALY Giuseppe Milano, Prof., ITALY
Health Literacy in Rotator Cuff 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 Kyle Kesler, MD, UNITED STATES Trevor Gulbrandsen, MD, UNITED STATES Brendan Patterson, MD, UNITED STATES
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
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, 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
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
Progression To Glenohumeral Arthritis After Arthroscopic Anterior Stabilization In A Young And High Demand Population Award Winner 4 minutes Bobby Yow, MD, UNITED STATES Ashley Bee Anderson, MD, UNITED STATES Sean E. Slaven, MD, UNITED STATES Kelly Kilcoyne, MD, UNITED STATES Jon F. Dickens, MD, UNITED STATES
Arthroscopic Repair Of U Shaped Rotator Cuff Tear: Modified Margin Convergence With A Single Triple Loaded Suture Anchor ePoster Presentation Siddharth Jain, M.S. ORTHOPEDICS, INDIA
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 515904945, 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
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, UNITED STATES Clair Smith, MSc, UNITED STATES Adam Popchak, DPT, PhD, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Albert Lin, MD, UNITED STATES
How Glenohumeral Stability Is Affected by Concavity, Chondral Integrity, Bony Defects, and Bone Block Reconstructions of the Glenoid ePoster Presentation Jens Wermers, MD, GERMANY Benedikt Schliemann, MD, GERMANY Michael J. Raschke, MD, Prof., GERMANY Philipp Michel, MD, GERMANY Lukas F. Heilmann, MD, GERMANY Felix Dyrna, MD, GERMANY Julia Sußiek, , GERMANY Andre Frank, MSc, GERMANY J. Christoph Katthagen, MD, GERMANY
Does Oral Stain Use Affect Rotator Cuff Healing or Muscle Fatty Atrophy after Rotator Cuff Repair? Abstract Presentation 4 minutes Priyadarshi Amit, MS, DNB, MRCSEd, MCh, FRCS, UNITED KINGDOM Jan Herman Kuiper, M.Sc. Ph.D., UNITED KINGDOM Martyn Snow, FRCS, UNITED KINGDOM
Outcomes Following Open Latarjet Procedure With Associated Rotator Cuff Repair ePoster Presentation Peter Domos, MD, FRCS(Tr&Orth), UNITED KINGDOM Mikaël Chelli, MD, FRANCE Lionel Neyton, MD, FRANCE Arnaud Godeneche, FRANCE Gilles Walch, MD, FRANCE
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
Comparison Of Lower Trapezius And Latissimus Dorsi Transfer For Irreparable Posterosuperior Rotator Cuff Tears: A Dynamic Biomechanical Investigation Abstract Presentation 5 minutes Lukas Nawid Muench, MD, GERMANY Daniel P. Berthold, Association.-Prof., GERMANY Cameron Kia, MD, UNITED STATES ELIFHO OBOPILWE, ME, BSc, UNITED STATES Mark P. Cote, PT, DPT, MSCTR, UNITED STATES Andreas B. Imhoff, MD, Prof. Emeritus, GERMANY Bastian Scheiderer, MD, GERMANY Bassem T. Elhassan, MD, UNITED STATES Knut Beitzel, Prof. Dr., GERMANY Augustus D. Mazzocca, MS, MD, UNITED STATES
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, AUSTRALIA
Anchor Arthropathy Of The Shoulder Joint After Instability Repair: Outcomes After Failed Instability Repair Due To Arthropathy ePoster Presentation Matthew T. Provencher, MD, UNITED STATES Joseph J. Ruzbarsky, MD, UNITED STATES Robert Walz, MD , UNITED STATES Annalise Peebles, BA , UNITED STATES Jeffrey Wong, UNITED STATES Petar Golijanin, MD, MBA, 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
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
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
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
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
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
Adipose MSC in Arthroscopic Rotator Cuff Repair. A Prospective Randomized Controlled Trial With Two Years Follow-Up. Abstract Presentation 5 minutes Pietro Simone Randelli, MD, Prof., ITALY Davide Cucchi, MD, GERMANY Elisabetta Nocerino, MD, ITALY Linda Boerci, MD, ITALY Chiara Fossati, MD, ITALY Alessandra Menon, MD, ITALY
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
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
Do Pre-Operative Opioid Use And Chronic Post-Operative Dependence Affect Outcomes After Reverse Shoulder Arthroplasty? ePoster Presentation Prashant Meshram, MBBS, MS, DNB (Ortho), UNITED ARAB EMIRATES Alexander Rainer Manuel Bitzer, MD, UNITED STATES Tim Kreulen, MD, UNITED STATES Stephen C. Weber, MD, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES Edward G. McFarland, 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
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
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
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
Cannabis Use Is Associated With Fewer Postoperative Opioids And Fewer Thromboembolic Complications Following Shoulder Arthroscopy Abstract Presentation 5 minutes Christopher L. McCrum, MD, UNITED STATES
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
Treatment of Primary Shoulder Stiffness: Results of Survey on Surgeon Practice Patterns ePoster Presentation Davide Cucchi, MD, GERMANY Silvana de Giorgi, MD, ITALY Maristella Francesca Saccomanno, MD, PhD, ITALY Francesco Mattia Uboldi, MD, ITALY Alessandra Menon, MD, ITALY Max Julian Friedrich, MD, GERMANY Pietro Simone Randelli, MD, Prof., ITALY Antonio Marmotti, ITALY Laura de Girolamo, PhD, ITALY
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
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
Revision Rotator Cuff Repair Versus Primary Repair For Large To Massive Tears Involving Posterosuperior Cuff: Comparison Of Clinical And Radiological Outcomes Abstract Presentation 5 minutes Prashant Meshram, MBBS, MS, DNB (Ortho), UNITED ARAB EMIRATES Bei Liu, MD, KOREA, REPUBLIC OF Sang Woo Kim, MD, KOREA, REPUBLIC OF Kang Heo, MD, KOREA, REPUBLIC OF Joo Han Oh, MD, PhD, KOREA, REPUBLIC OF
Midterm Results Of Two-Stage Revision Surgery For Periprosthetic Shoulder Infection ePoster Presentation Stephen C. Weber, MD, UNITED STATES Prashant Meshram, MBBS, MS, DNB (Ortho), UNITED ARAB EMIRATES Edward G. McFarland, UNITED STATES Jorge Rojas Llevano, MD, COLOMBIA Jacob Joseph, BS, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES
Quality of life following an open Latarjet-Bristow procedure In a general population with a recurrent anterior shoulder Instability ePoster Presentation Collen Nkosi, MBChB, SOUTH AFRICA Nyiko Chauke, MBCHB, FC Orth (CMSA),Mmed Ortho Surg (Wits), SOUTH AFRICA
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, FRANCE Thomas Bauer, MD, PhD, FRANCE Alexandre Hardy, MD, FRANCE
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
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
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
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, 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
Differences in Glenohumeral Joint Capsule Dimensions on MR Analysis in Adolescent Patients with MDI and Bankart Tear Abstract Presentation 4 minutes Mason Cole Yoder, BS, UNITED STATES Colin McDonald, MD, UNITED STATES Shital N. Parikh, MD, UNITED STATES
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
Traumatic Rotator Cuff Tears Have Greater Improvements In Functional Outcomes Than Non-Traumatic Tears ePoster Presentation Brian M Godshaw, MD, UNITED STATES Jonathan D Hughes, MD, UNITED STATES Stephanie Boden, MD, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Albert Lin, MD, UNITED STATES
Magnetic resonance imaging criteria for the preoperative assessment of the rotator cuff tears: a systematic review ePoster Presentation Marco Adriani, MD, ITALY Maristella Francesca Saccomanno, MD, PhD, ITALY Alessandra Scaini, MD, ITALY Marcello Motta, MD, ITALY Martina Re, MD, ITALY Alberto Maurizio, MD, ITALY Jacopo Maffeis, MD, ITALY Niccolo Vaisitti, MD, ITALY Mac Donald Tedah Djemetio, MD, ITALY Emanuele Maggini, MD, ITALY Giuseppe Milano, Prof., ITALY
Understanding The Reasons Why Patients Do Not Achieve An Acceptable Symptom State 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
The Anatomical Concave Surface Area Method, a 3-Dimensional Quantification of Glenoid Bone Loss in Shoulder Instability Abstract Presentation 5 minutes Marine Launay, MEng, AUSTRALIA Muhammad Naghman Choudhry, MBChB, MRCS, FRCS, AUSTRALIA Nicholas Green, MEng, BDes, AUSTRALIA Jashint Maharaj, MBBS, FRSPH, AUSTRALIA Peter Pivonka, PhD, AUSTRALIA Kenneth Cutbush, MBBS, FRACS, FAOrthA, AUSTRALIA Ashish Gupta, MBBS, MSc, FRACS, AUSTRALIA
Return To Play After Arthroscopic Management Of Rotator Cuff Tears In Professional Contact Athletes Abstract Presentation 4 minutes Gautam Yagnik, MD, UNITED STATES Luis A Vargas, MD, PhD, UNITED STATES John W. Uribe, MD, UNITED STATES John E. Zvijac, MD, UNITED STATES Jacob Seiler, MD, UNITED STATES
Outcome Comparison between Healed and Unhealed Cases after Arthroscopic Rotator Cuff Repair with Muscle Advancement for Massive Rotator Cuff Tears ePoster Presentation Shin Yokoya, MD, PhD, JAPAN Yohei Harada, MD, PhD, JAPAN Yasuhiko Sumimoto, MD, JAPAN Nobuo Adachi, MD, PhD, JAPAN
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
The Result Of Long Term Follow Up Of Arthroscopic Partial Repair For Massive Irreparable Rotator Cuff Tear Using Biceps Long Head Auto Graft ePoster Presentation Sang-Hun Ko, MD, Prof., KOREA, REPUBLIC OF Yong Tae Joo, KOREA, REPUBLIC OF Kyung-Joo Lee, MD, KOREA, REPUBLIC OF
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
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
Outcome Of Arthroscopic Suspensory Fixation Systems In Acromioclavicular Joint Injuries ePoster Presentation Mohamed Ibrahim, MD, EGYPT Ibrahim Mohsen, MD, PhD, EGYPT Mohamed Safaa Eldeen Arafa, MD, EGYPT Haytham Abdel Aty, MD, PhD, EGYPT Kamal Abdel Meguid, MD, PhD, Prof., EGYPT Alexandre Lädermann, MD, SWITZERLAND
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
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, UNITED STATES Nyaluma N. Wagala, MD, UNITED STATES Neel K. Patel, MD, UNITED STATES Adam Popchak, DPT, PhD, UNITED STATES Bryson P. Lesniak, MD, UNITED STATES Albert Lin, MD, UNITED STATES
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
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, BSc, PORTUGAL Guilherme França, MD, PORTUGAL João Espregueira-Mendes, MD, PhD, PORTUGAL Nuno Sevivas, MD, PhD, PORTUGAL
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
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
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
Blood Glucose Levels In Diabetic Patients Following Intra-Articular Corticosteroid Injection Of The Shoulder: A Pilot Study Abstract Presentation 5 minutes Andres Barandiaran, MS, UNITED STATES Rachel M. Frank, MD, UNITED STATES Eric C. McCarty, MD, UNITED STATES Jonathan T. Bravman, MD, UNITED STATES Adam Seidl, MD, UNITED STATES
Beach Chair Versus Lateral Decubitus Positioning For Primary Arthroscopic Anterior Shoulder Stabilization: A Consecutive Series Of 641 Shoulders Abstract Presentation 4 minutes Bobby Yow, MD, UNITED STATES Ashley Bee Anderson, MD, UNITED STATES Zein Aburish, BS, UNITED STATES David J Tennent, MD, UNITED STATES Lance LeClere, MD, UNITED STATES John-Paul Rue, MD, UNITED STATES Brett D. Owens, MD, UNITED STATES Michael A Donohue, MD, UNITED STATES Kenneth L. Cameron, PhD, MPH, ATC, UNITED STATES Matthew Posner, MD, UNITED STATES Jon F. Dickens, MD, UNITED STATES
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
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
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
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
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, UNITED STATES William Anderst, PhD, UNITED STATES Albert Lin, MD, UNITED STATES
Correlation Between Shoulder Function and Radiologic Severity of Supraspinatus Pathology Abstract Presentation 4 minutes Stephen M Gillinov, AB, UNITED STATES Nathan Varady, MD, MBA, UNITED STATES Paul F Abraham, BS, UNITED STATES Michael Peter Kucharik, BS, UNITED STATES Christopher T Eberlin, BS, UNITED STATES Scott D Martin, 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, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES
Outcomes Of Arthroscopic Latarjet As A Revision Procedure For Treatment Of Recurrent Anterior Shoulder Instability After Failed Arthroscopic Bankart Repair. A Case Series ePoster Presentation Lika Dzidzishvili, MD, SPAIN Claudio Calvo Palma, MD, PhD, CHILE María Valencia Mora, MD, PhD, SPAIN Antonio Foruria, MD, PhD, SPAIN Emilio Calvo, MD, PhD, MBA, SPAIN
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
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
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
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
Lower Trapezius Transfer With Semitendinosus And Gracilis Autologous Tendon Graft With Knotless Suture Anchors, Using Arthroscopic Assistance To Treat An Irreparable Posterosuperior Tear Of Rotator Cuff Without Glenohumeral Arthrosis: One - Year Outcomes ePoster Presentation Robin Israel Villegas, MD, ECUADOR Hugo Santiago Barros, MD, ECUADOR
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
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
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
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
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
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
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, UNITED ARAB EMIRATES
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
Biomechanical Comparison Of Stemless Humeral Components In Total Shoulder Arthroplasty Abstract Presentation 5 minutes Raymond Chen, MD, UNITED STATES Emma Knapp, BS, UNITED STATES Anthony Miniaci, MD, FRCSC, UNITED STATES Hani Awad, PhD, UNITED STATES Ilya Voloshin, MD, UNITED STATES
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
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
Survivorship And Patient-Reported Outcomes After Comprehensive Arthroscopic Management Of Glenohumeral Osteoarthritis: Minimum 10-Year Follow-Up Abstract Presentation 4 minutes Justin W. Arner, MD, UNITED STATES Bryant Elrick, MS, UNITED STATES Daniel B. Haber, MD, UNITED STATES Philip Nolte, MD, UNITED STATES Marilee P. Horan, MPH, UNITED STATES Peter J. Millett, MD, MSc, 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
Dermal Patch Augmented Versus Standard Rotator Cuff Repair: Randomised Controlled Trial Abstract Presentation 4 minutes Priyadarshi Amit, MS, DNB, MRCSEd, MCh, FRCS, UNITED KINGDOM Martyn Snow, FRCS, UNITED KINGDOM
Type Iv and V Acromioclavicular Dislocation: Long Terms Results Of Conservative Treatment In Rugby Players. Abstract Presentation 5 minutes Franco Della Vedova, MD, ARGENTINA Matias Orlando, Md, ARGENTINA Hernan Galan, MD, ARGENTINA Daniel A. Slullitel, MD, Prof., ARGENTINA
T2 Mapping Quantitative MRI Evaluation of Operatively Treated Anterior Shoulder Instability ePoster Presentation Forrest L. Anderson, MD, UNITED STATES Eric A Schweppe, MS, UNITED STATES Nathan S Lanham, MD, UNITED STATES Cesar D Lopez, BS, UNITED STATES Tony T. Wong, MD, UNITED STATES Charles Mitchell Jobin, MD, UNITED STATES
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
Pseudoparalysis And Subscapularis Insufficiency Are Not Contraindications For Superior Capsular Reconstruction ePoster Presentation 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 Julie Bishop, MD, UNITED STATES Gregory L. Cvetanovich, MD, UNITED STATES
The Influence of Sportive Activity on Radiographic Outcomes following Reverse Total Shoulder Arthroplasty: A Comparative Study Abstract Presentation 5 minutes Stephanie Geyer, MD, GERMANY Jakob Siebler, cand. med., GERMANY Felipe Eggers, MD, GERMANY Lukas Nawid Muench, MD, GERMANY Daniel P. Berthold, Association.-Prof., GERMANY Sebastian Siebenlist, MD, MHBA, Prof., GERMANY Andreas B. Imhoff, MD, Prof. Emeritus, GERMANY Bastian Scheiderer, MD, GERMANY
Clinical And Patient-Reported Outcomes Of Reverse Shoulder Arthroplasty In Patients Receiving Social Security Disability Insurance Or Workers’ Compensation ePoster Presentation Prashant Meshram, MBBS, MS, DNB (Ortho), UNITED ARAB EMIRATES Stephen C. Weber, MD, UNITED STATES Matthew Binkley, UNITED STATES Gary W. Pushkin, MD, UNITED STATES Uma Srikumaran, MD, MBA, MPH, UNITED STATES Edward G. McFarland, UNITED STATES
Clinical Outcomes Of Rotator Cuff Repair As A Function Of Time To Surgery: A Retrospective Cohort Study ePoster Presentation Logan Finger, BS, UNITED STATES Robin H Dunn, MD, UNITED STATES Jonathan D Hughes, MD, UNITED STATES Albert Lin, 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
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
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
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
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
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
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, UNITED STATES
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, DENMARK
Predicting Factors For Achieving Minimally Clinical Important Difference After Primary Shoulder Arthroplasty: A Machine Learning Model Abstract Presentation 4 minutes Ayoosh Pareek, MD, UNITED STATES Micah Nieboer, MD, UNITED STATES Jianing Man, PhD, UNITED STATES Ronda Esper, BS, UNITED STATES Kalyan Pasupathy, PhD, UNITED STATES Joaquin Sanchez-Sotelo, MD, UNITED STATES
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
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
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
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
Outcomes Of Arthroscopic Latarjet Procedure For Anterior Glenohumeral Instability In Patients With Epilepsy. A Case-Control Study Abstract Presentation 4 minutes Lika Dzidzishvili, MD, 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
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

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Is Surgical Treatment An Advantage When Treating Acute AC Joint Dislocation Type III And V? A Prospective Randomized Clinical Trial

Is Surgical Treatment An Advantage When Treating Acute AC Joint Dislocation Type III And V? A Prospective Randomized Clinical Trial

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Is Surgical Treatment An Advantage When Treating Acute AC Joint Dislocation Type III And V? A Prospective Randomized Clinical Trial

Is Surgical Treatment An Advantage When Treating Acute AC Joint Dislocation Type III And V? A Prospective Randomized Clinical Trial

Aim

Background

Methods

Results

Conclusion