Bipolar lesions of the knee are associated with inferior clinical outcome following articular cartilage regeneration. A propensity score- matched analysis including 238 patients of the German Cartilage Registry (KnorpelRegister DGOU).

• Alexander Bumberger,

• Nick Luca Seiferth,

• Peter Angele,

• Svea Olivia Faber,

• Johannes Zellner,

• Philipp Niemeyer

Arthroscopic Superior Capsule Reconstruction with Combined Fascia Lata Autograft and Synthetic Scaffold Patch Graft for the Treatment of Irreparable Rotator Cuff Tears Yields Favorable Clinical and Radiographic Outcomes at Minimum Two-Year Follow-Up

• Mingguang Bi,
• Wei Ding,
• Minzhe Zheng,
• Zhaoxiang Peng,
• Jin Li,
• Shaohua Ding

Patients With Knee Osteoarthritis Who Receive Platelet-Rich Plasma or Bone-Marrow Aspirate Concentrate Injections Have Better Outcomes Than Patients Who Receive Hyaluronic Acid: Systematic Review and Meta-analysis

• John W. Belk,
• Joseph J. Lim,
• Carson Keeter,
• ...
• Eric C. McCarty,
• Rachel M. Frank,
• Matthew J. Kraeutler

Medial Collateral Ligament Reconstruction and Repair Show Similar Improvement in Outcome Scores, But Repair Shows Higher Rates of Knee Stiffness and Failure: A Systematic Review

• Colton Mowers,
• Garrett R. Jackson,
• Joshua J. Condon,
• ...
• Derrick M. Knapik,
• Nikhil N. Verma,
• Jorge Chahla

The Majority of Sports Medicine and Arthroscopy Related Randomized-Controlled Trials Reporting Non-Significant Results are Statistically Fragile

• Suleiman Y. Sudah,
• Michael A. Moverman,
• Raisa Masood,
• ...
• Richard N. Puzzitiello,
• Mariano E. Menendez,
• Matthew J. Salzler

Knotless All-Suture, Soft Anchor Bankart Repair Results in Excellent Patient-Reported Outcomes, High Patient Satisfaction, and Acceptable Recurrent Instability Rates at Minimum 2-Year Follow-Up

• Stephanie S. Pearce,
• Marilee P. Horan,
• Dylan R. Rakowski,
• Jared A. Hanson,
• Thomas E. Woolson,
• Peter J. Millett

Patient-Reported Outcomes are Similar in the First Two Years after Staged versus Combined Hip Arthroscopy and Periacetabular Osteotomy for Hip Dysplasia

• Caitlin A Orner,
• Brittany E Haws,
• John Reuter,
• Raymond Kenney,
• P Christopher Cook,
• Brian D Giordano

Increased Medial Femoral Condyle Angle and Narrow Intercondylar Notch Are Associated With Medial Meniscus Posterior Root Tear

• Harun Altinayak,
• Yavuz Selim Karatekin

Superior Capsular Reconstruction Partially Restores Native Glenohumeral Joint Loads In A Dynamic Biomechanical Shoulder Model

• Lukas N. Muench,
• Felix Dyrna,
• Alexander Otto,
• ...
• Knut Beitzel,
• Augustus D. Mazzocca,
• Daniel P. Berthold

Platelet-Rich-Plasma and Marrow Venting May Serve as Cost-Effective Augmentation Techniques for Isolated Meniscal Repair: A Decision-Analytic Markov Model-Based Analysis

• Jacob F. Oeding,
• Elyse J. Berlinberg,
• Yining Lu,
• ...
• Christopher L. Camp,
• Jonathan D. Barlow,
• Aaron J. Krych

Consistent Indications and Good Outcomes Despite High Variability in Techniques for Two-Stage Revision Anterior Cruciate Ligament Reconstruction: A Systematic Review

• Varun Gopinatth,
• Felipe J. Casanova,
• Derrick M. Knapik,
• ...
• Adam B. Yanke,
• Brian J. Cole,
• Jorge Chahla

Kinesiophobia Is Negatively Associated With Psychological Readiness to Return to Sport in Patients Awaiting Anterior Cruciate Ligament Reconstruction

• Shunsuke Ohji,
• Junya Aizawa,
• Kenji Hirohata,
• ...
• Sho Mitomo,
• Hideyuki Koga,
• Kazuyoshi Yagishita

Durable Outcomes After Hip Labral Reconstruction at Minimum 5-Year Follow-Up: A Systematic Review

• Andrew J. Curley,
• Saiswarnesh Padmanabhan,
• Omkar N. Prabhavalkar,
• Paulo A. Perez-Padilla,
• David R. Maldonado,
• Benjamin G. Domb

Quantifying Meniscal Extrusion Using Ultrasound in the Setting of Concomitant Cadaveric Knee Lesions: Part I: The Medial Meniscotibial Ligament and Posterior Medial Meniscal Root

• Daniel Farivar,
• Derrick M. Knapik,
• Amar S. Vadhera,
• ...
• Michael Ralls,
• Gregory M. White,
• Jorge Chahla

Isolated Posterior Lateral Meniscofemoral Ligament Tears Show Greater Meniscal Extrusion in Knee Extension, and Isolated Posterior Lateral Meniscal Root Tears Show Greater Meniscal Extrusion at 30° Using Ultrasound: A Cadaveric Study

• Daniel Farivar,
• Derrick M. Knapik,
• Amar S. Vadhera,
• ...
• Michael Ralls,
• Gregory M. White,
• Jorge Chahla

Class I Obesity Delays Achievement of Patient-Acceptable Symptom State but not Minimum Clinically Important Difference or Substantial Clinical Benefit After Primary Hip Arthroscopy for Femoroacetabular Impingement Syndrome

• Dhruv S. Shankar,
• Andrew S. Bi,
• Rae Lan,
• Scott Buzin,
• Thomas Youm

Patient-Reported Outcomes and Survivorship Are Not Different for Primary Hip Arthroscopy Patients of Age 50 Years and Older Compared With a 20- to 35-Year-Old Matched Cohort at Minimum Five-Year Follow-Up

• Dhruv S. Shankar,
• Taylor Wingo,
• Berkcan Akpinar,
• Nicole D. Rynecki,
• Thomas Youm

Low Ceiling Effects of the Forgotten Joint Score Compared With Legacy Measures After Joint-Preserving Procedures: A Systematic Review

• Benjamin D. Kuhns,
• W. Taylor Harris,
• Benjamin G. Domb

Age, Tear Size, Extent of Retraction, and Fatty Infiltration Associated With a High Chance of a Similar Rotator Cuff Tear in the Contralateral Shoulder Regardless of Symptoms in Patients Undergoing Cuff Repair in the Index Shoulder

• Tae-Hwan Yoon,
• Sung-Jae Kim,
• Yun-Rak Choi,
• Kyu-Tae Kang,
• Yong-Min Chun

Concomitant Tibial Tubercle Osteotomy Reduces the Risk of Revision Surgery After Medial Patellofemoral Ligament Reconstruction for the Treatment of Patellar Instability

• Patrick C. Ryan,
• Bailey J. Ross,
• Michaela A. Stamm,
• William F. Sherman,
• Wendell M.R. Heard,
• Mary K. Mulcahey

Graft extrusion of 3 mm is acceptable at a minimum 5-year outcomes for lateral allograft transplantation

• Ju-Ho Song,
• Seong-Il Bin,
• Jong-Min Kim,
• Bum-Sik Lee,
• Jung-Su Choe,
• Hyung-Kwon Cho

Delay of Timing of Anterior Cruciate Ligament Reconstruction Is Associated With Lower Risk of Arthrofibrosis Requiring Intervention

• Amil R. Agarwal,
• Andrew B. Harris,
• Omar Tarawneh,
• ...
• Savyasachi C. Thakkar,
• Teresa Doerre,
• Matthew J. Best

Small Hamstring Tendon Graft for Anterior Cruciate Ligament Reconstruction Combined With Anterolateral Ligament Reconstruction Results in the Same Failure Rate as Larger Hamstring Tendon Graft Reconstruction Alone

• Camilo Partezani Helito,
• Andre Giardino Moreira da Silva,
• Marcel Faraco Sobrado,
• Tales Mollica Guimarães,
• Riccardo Gomes Gobbi,
• José Ricardo Pécora

Complication Rates After Medial Patellofemoral Ligament Reconstruction Range From 0% to 32% With 0% to 11% Recurrent Instability: A Systematic Review

• Garrett R. Jackson,
• Trevor Tuthill,
• Varun Gopinatth,
• ...
• Derrick M. Knapik,
• Nikhil N. Verma,
• Jorge Chahla

Patients With Unhealed or Partially Healed Anterior Capsules After Hip Arthroscopy for Borderline Developmental Dysplasia of the Hips Have Inferior Patient-Reported Outcome Measures

• Fan Yang,
• Xin Zhang,
• Yan Xu,
• Hongjie Huang,
• Jianquan Wang

Femoral Nerve Block and Local Instillation Analgesia Associated With More Reliable Efficacy in Regional Anesthesia Interventions Within 24 Hours Following Anterior Cruciate Ligament Reconstruction: A Network Meta-Analysis

• Hongzhi Liu,
• Xinqiu Song,
• Chuiqing Li,
• Yan Li,
• Wanshou Guo,
• Hongmei Zhang

Platelet-Rich Plasma Injections Are at Least Equivalent to Corticosteroid Injections for Adhesive Capsulitis: A Systematic Review of Prospective Cohort Studies

• Brandon Nudelman,
• Bowen Song,
• Devan O. Higginbotham,
• Amit S. Piple,
• William H. Montgomery 3rd

Arthroscopic Dynamic Anterior Stabilization Using Either Long Head of the Biceps or Conjoined Tendon Transfer for Anterior Shoulder Instability Results in a Similarly Low Recurrence Rate

• Chenliang Wu,
• Junjie Xu,
• Zhaoyi Fang,
• ...
• Song Zhao,
• Caiqi Xu,
• Jinzhong Zhao

Arthroscopic Autologous Iliac Crest Grafting Results in Similar Outcomes and Low Recurrence Compared to Remplissage Plus Bankart Repair for Anterior Shoulder Instability With Bipolar Bone Defects

• Di Wu,
• Zhekun Zhou,
• Wei Song,
• ...
• Xiaofeng Zhang,
• Weilin Yu,
• Yaohua He

Sectioning of the Anterolateral Ligaments in Anterior Cruciate Ligament Sectioned Knees Increases Internal Rotation of the Knee Joint: A Systematic Review and Meta-Analysis of Cadaveric Studies

• Dae-Hee Lee,
• Chung-Hyun Kim,
• Tae Ho Kim,
• Sang-Gyun Kim

Elevated Posterior Tibial Slope Is Associated With Anterior Cruciate Ligament Reconstruction Failures: A Systematic Review and Meta-Analysis

• Robert Duerr,
• Benjamin Ormseth,
• Jeremy Adelstein,
• ...
• David Flanigan,
• Robert Siston,
• Robert Magnussen

Suture Augmentation in Orthopaedic Surgery Offers Improved Time-Zero Biomechanics and Promising Short-Term Clinical Outcomes

• Garrett R. Jackson,
• Olivia Opara,
• Trevor Tuthill,
• ...
• Derrick M. Knapik,
• Nikhil Verma,
• Jorge Chahla

Acellular Dermal Allograft and Tensor Fascia Lata Autograft Show Similar Patient Outcome Improvement and High Rates of Complications and Failures at a Minimum Two-Year Follow-up: A Systematic Review

• Garrett R. Jackson,
• Trevor Tuthill,
• Sabrina F. Schundler,
• ...
• Jorge Chahla,
• Brian J. Cole,
• Nikhil N. Verma

Arthroscopic Superior Capsular Reconstruction with Tensor Fascia Lata Allograft for Irreparable Rotator Cuff Tears: Clinical and Radiologic Outcomes for a Minimum 1-Year Follow-Up

• Young-Kyu Kim,
• Kyu-Hak Jung,
• Ki-Yong Choi,
• Suk-Woong Kang,
• Rak-Jun Choi

Increased Pitch Velocity Is Associated With Throwing Arm Kinetics, Injury Risk, and Ulnar Collateral Ligament Reconstruction in Adolescent, Collegiate, and Professional Baseball Pitchers: A Qualitative Systematic Review

• Joseph Manzi,
• Michelle Kew,
• Jacob Zeitlin,
• ...
• Michael C. Ciccotti,
• James B. Carr II,
• Joshua S. Dines

A Number of Modifiable and Nonmodifiable Factors Increase the Risk for Elbow Medial Ulnar Collateral Ligament Injury in Baseball Players: A Systematic Review

• Joshua R. Labott,
• Devin P. Leland,
• Sara E. Till,
• ...
• Christian Hintz,
• Joshua S. Dines,
• Christopher L. Camp

Area Measurement Percentile of 3-Dimensional Computed Tomography Has the Highest Interobserver Reliability When Measuring Anterior Glenoid Bone Loss

• Kyong S. Min,
• Joshua W. Sy,
• Brian J. Mannino

Letter to the Editor Regarding“H-Plasty Repair Technique Improved Tibiofemoral Contact Mechanics After Repair for Adjacent Radial Tears of Posterior Lateral Meniscus Root: A Biomechanical Study”

• Jiang Weiqi

Changes in Hip Labral Size Two Years After Arthroscopic Repair Are Correlated With Preoperative Measurements on Magnetic Resonance Imaging

• Rongge Liu,
• Guanying Gao,
• Ruiqi Wu,
• Hanmei Dong,
• Siqi Zhang,
• Yan Xu

Minimal Clinically Important Differences for Oxford, Constant, and University of California Los Angeles Shoulder Scores After Reverse Shoulder Arthroplasty to Allow Interpretation of Patient-Reported Outcome Measures and Future Statistical Power Analyses

• Allan Zhou,
• Sheng Xu,
• Khye Soon Andy Yew,
• Denny Tijauw Tjoen Lie

Patients With Functional Somatic Syndromes—Fibromyalgia, Irritable Bowel Syndrome, Chronic Headaches, and Chronic Low Back Pain—Have Lower Outcomes and Higher Opioid Usage and Cost After Shoulder and Elbow Surgery

• Raisa Masood,
• Krishna Mandalia,
• Michael A. Moverman,
• ...
• Nicholas R. Pagani,
• Mariano E. Menendez,
• Matthew J. Salzler

Upper-Extremity Injuries Have the Poorest Return to Play and Most Time Lost in Professional Baseball: A Systematic Review of Injuries in Major League Baseball

• Joseph S. Tramer,
• Joshua P. Castle,
• Michael A. Gaudiani,
• ...
• Anna McGee,
• Michael T. Freehill,
• T. Sean Lynch

Preoperative Substance Use Disorder Is Associated With an Increase in 90-Day Postoperative Complications, 1-Year Revisions and Conversion to Arthroplasty Following Arthroscopic Rotator Cuff Repair: Substance Use Disorder on the Rise

• Jon Raso,
• Alyssa Althoff,
• Colby Brunette,
• Pramod Kamalapathy,
• Monica Arney,
• Brian C. Werner