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A Comparison of All-inside and Inside-out Meniscal Repair in Elite Athletes
Kyle A. Borque, *y MD, Mitzi S. Laughlin,z PhD, Emily Webster, § PA-C, Mary Jones, ||{ MSc GradDipPhys, Vı �tor Hugo Pinheiro, # MD, MSc, and Andy Williams, ||{ FRCS(Orth), FFSEM Investigation performed at Fortius Clinic, London, UK
doi : 10.1177/03635465221147058
The popularization of all-inside (AI) meniscal repair devices has led to a shift away from the historical gold standard of inside-out (IO) meniscal repair without comparative studies to support the change.
Failure Rates of Repaired Bucket-Handle Tears of the Medial Meniscus Concomitant With Anterior Cruciate Ligament Reconstruction: A Cohort Study of 253 Patients From the SANTI Study Group With a Mean Follow-up of 94 Months
Abdo El Helou, * MD, Lampros Gousopoulos, * MD, Jobe Shatrov, * MD, Graeme P. Hopper,y MD , Corentin Philippe, * MD, Merwane Ayata, * MD, Mathieu Thaunat,* MD, Jean-Marie Fayard, * MD, Benjamin Freychet, * MD, Thais Dutra Vieira, *z MD , and Bertrand Sonnery-Cottet, * MD, PhD Investigation performed at Centre Orthope � dique Santy, Lyon, France
doi : 10.1177/03635465221148497
Failure rates of repaired bucket-handle medial meniscal tears (BHMMTs) concomitant with anterior cruciate ligament reconstruction (ACLR) are as high as 20%. The outcomes of posteromedial portal suture hook repair have not been compared with all-inside repair techniques for this subtype of meniscal lesion.
Initial Outcomes After Unicompartmental Tibiofemoral Bipolar Osteochondral and Meniscal Allograft Transplantation in the Knee Using MOPS-Preserved Fresh (Viable) Tissues
James L. Cook, *y DVM, PhD, Kylee Rucinski, *y MHA, Cory R. Crecelius, *y MPT, and James P. Stannard, *yz MD
doi : 10.1177/03635465221144003
Unicompartmental tibiofemoral bipolar osteochondral allograft transplantation (OCAT) with meniscal allograft transplantation (MAT) has not historically been associated with consistently successful outcomes for treatment of knee articular cartilage defects with meniscal deficiency.
Meniscal and Articular Cartilage Predictors of Outcome After Revision ACL Reconstruction: A 6-Year Follow-up Cohort Study
The MARS Group
doi : 10.1177/03635465231151389
Meniscal and chondral damage is common in the patient undergoing revision anterior cruciate ligament (ACL) reconstruction.
Anterior Cruciate Ligament Reconstruction Using a 4-Strand Semitendinosus Tendon Graft or a Doubled Semitendinosus and Gracilis Tendon Graft: A 4.5-Year Prospective, Randomized, Double-Blind, Parallel-Group Study
Krzysztof Kulin � ski,* MD, Marcin K. Was � ko,y MD, PhD, Ewa Trams � ,* MD, Kamila Malesa, * MD, Stanisław Pomianowski, * MD, PhD, and Rafał Kamin � ski, *z MD, PhD
doi : 10.1177/03635465221149738
Hamstring tendon grafts are the most common choice for anterior cruciate ligament (ACL) reconstruction (ACLR). Previous studies have provided evidence that offers conflicting opinions concerning the most favorable graft choice.
Comparative Study of ACL Reconstruction With Hamstring Versus Patellar Tendon Graft in Young Women: A Cohort Study From the New Zealand ACL Registry
Anika Tiplady, *y BSc, MBChB, Hamish Love,z BSc(Hons), MBChB, Simon W. Young, §|| MBChB, MD , and Chris M. Frampton,{ BSc(Hons), PhD
doi : 10.1177/03635465221146299
Young female athletes are a specific population that is at high risk of primary anterior cruciate ligament (ACL) rupture and subsequent graft failure. Despite large numbers of ACL reconstructions being carried out in young women, there is limited analysis of outcomes in this group, leading to low levels of evidence for graft choice.
Comparison of the Clinical Outcomes of Revision and Primary ACL Reconstruction: A Matched-Pair Analysis With 3-5 Years of Follow-up
Lin Lin,*y MD, PhD, Hai-jun Wang, *y MD, PhD, Yong-jian Wang, *y MD, Jian Wang, *y MD, You-rong Chen, *y MD, PhD, and Jia-kuo Yu, *yz MD, PhD
doi : 10.1177/03635465221148746
There are limited studies designed by matching related factors to compare clinical outcomes and return to sport (RTS) between patients undergoing revision anterior cruciate ligament reconstruction (R-ACLR) and primary ACLR (P-ACLR).
Platelet-Rich Fibrin–Augmented Gap-Bridging Strategy in Rabbit Anterior Cruciate Ligament Repair
Pei-Wei Weng, *yz§ MD, PhD, Chih-Hwa Chen, * §||{ MD, Yi-Cheng Lin,*y MD, PhD, Kuan-Hao Chen, * ||# MD, Yi-Yen Yeh,y MS, Jen-Ming Lai, ** MBBS, FAMS, Chang-Jung Chiang, *y MD, PhD, and Chin-Chean Wong, *y§ **yyzz MD, PhD
doi : 10.1177/03635465221149993
We assessed the efficacy of a novel platelet-rich fibrin (PRF)–augmented repair strategy for promoting biological healing of an anterior cruciate ligament (ACL) midsubstance tear in a rabbit model. The biological gap-bridging effect of a PRF scaffold alone or in combination with rabbit ligamentocytes on primary ACL healing was evaluated both in vitro and in vivo.
Radiographic Changes After Medial Patellofemoral Ligament Reconstruction in Skeletally Immature Patients Compared With an Age- and Sex-Matched Cohort
Julia C. Kirby, *y MBBS, Madison E. Brenner,y BSA, Hunter Jones,z MD, Philip L. Wilson,yz MD, and Henry B. Ellis,yz MD
doi : 10.1177/03635465221147516
Despite recent evidence that medial patellofemoral ligament reconstruction (MPFLR) in the skeletally immature patient is both safe and effective, there are limited data evaluating postoperative coronal- and sagittal-plane growth and radiographic patellofemoral parameters in this population.
Clinical and Second-look Arthroscopic Results for Derotational Distal Femoral Osteotomy With Medial Patellofemoral Ligament Reconstruction for Recurrent Patellar Dislocation With Increased Femoral Anteversion: A Series of 102 Cases With a Minimum Clinical Follow-up of 2 Years
Zhi-Jun Zhang, * MD, Meng Lin Qian Di, * MD, Guan-Yang Song, * MD, Yue Li, * MD, Yan-Wei Cao, * MD, Tong Zheng, * MD, Hua Feng, * MD, and Hui Zhang,*y MD
doi : 10.1177/03635465221147484
Derotational distal femoral osteotomy (DDFO) has been used to treat patients with recurrent patellar dislocation (RPD) with increased femoral anteversion. However, no study has reported second-look arthroscopic findings in the patellofemoral joint after DDFO.
Large Versus Small Opening Wedge High Tibial Osteotomies Performed With a Protective Wire Over the Lateral Hinge: Incidence of Lateral Hinge Fracture and Early Clinical Outcomes
Don Thong Siang Koh, *y MBBS (London), BSc (Hon), MRCS (Edinburgh), Junwei Soong,y MBBS (Singapore), MRCS, MMed (Ortho), FRCS (Ortho), William Yeo,y BAppSc (Physiotherapy) (Hon), MPhty, Marcus Wei Ping Tan,y MBBS (Singapore), MRCS (Edinburgh), Shao Jin Teo,y MBBS (Singapore), MRCS (Edinburgh), Adrian Wilson,z§ MBBS, BSc (Hons), FRCS (Tr & Orth), and Kong Hwee Lee,y MBBS (Singapore), MRCS (Edinburgh), MMed (Ortho), FRCS (Ortho)
doi : 10.1177/03635465221148496
The incidence of lateral hinge fractures (LHFs) during medial opening wedge high tibial osteotomy (MOW-HTO) is unacceptably high, especially with distractions >10 mm. LHFs result in malunion, loss of correction, and recurrence of symptoms adversely affecting clinical outcomes.
High Survivorship and Comparable Patient-Reported Outcomes at a Minimum 5 Years After Hip Arthroscopic Surgery in Patients With Femoroacetabular Impingement, With and Without Lateral Rim Dysplasia
Karen Mullins, *y PhD, David Filan,y MSc, and Patrick Carton,yz MD, FRCS (Tr&Orth), FFSEM
doi : 10.1177/03635465221145018
Femoroacetabular impingement (FAI) in patients with dysplasia presents a unique challenge to surgeons. Short-term outcomes are conflicting, while longer term follow-up data are only emerging.
Radiographic Predictors of Reoperation in Adolescents Undergoing Hip Preservation Surgery for Femoroacetabular Impingement
Philip A. Serbin, *y MD, Tyler R. Youngman, *y MD, Benjamin L. Johnson,y PA-C, Philip L. Wilson, *y MD, Dan Sucato, *y MD, David Podeszwa, *y MD, and Henry B. Ellis, *yz MD
doi : 10.1177/03635465221147062
Femoroacetabular impingement (FAI) is a condition caused by repetitive abutment of a morphologically abnormal proximal femur and/or acetabulum that may result in chondral and labral pathology. An understanding of radiographic parameters associated with successful primary surgery has not been well established.
The Effect of a Formal Nonoperative Management Program Combining a Hip Injection With Structured Adjunctive Exercise Rehabilitation in Patients With Symptomatic Femoroacetabular Impingement Syndrome
Jay R. Ebert, *yz§ PhD, Antony C. Raymond, || BMBS, Randeep S. Aujla,{ MBChB, ChM, and Peter D’Alessandro, §# **yy MBBS (Hons)
doi : 10.1177/03635465221148744
Although the initial treatment recommendations for femoroacetabular impingement syndrome (FAIS) may include nonsurgical therapies such as injections and rehabilitation, many patients undergo isolated injections or a rudimentary exercise regimen.
Risk Factors for Symptomatic Bilateral Lumbar Bone Stress Injury in Adolescent Soccer Players: A Prospective Cohort Study
Toshiharu Tsutsui, * PhD, RPT, JSPO-AT, Satoshi Iizuka,y PhD, Seira Takei,z§ PhD, MD, Toshihiro Maemichi, * PhD, JSPO-AT, and Suguru Torii, * || PhD, MD
doi : 10.1177/03635465221146289
Lumbar bone stress injury (BSI) is a high-risk long time�loss injury for adolescent soccer players. However, the risk factors for lumbar BSI are unclear.
A Multidimensional Assessment of a Novel Adaptive Versus Traditional Passive Ankle Sprain Protection Systems
Steffen Willwacher, *y Prof., Anna Bruder,y MS, Johanna Robbin,y BEng, Jakob Kruppa,y BEng, and Patrick Mai,yz MS
doi : 10.1177/03635465221146294
Ankle braces aim to reduce lateral ankle sprains. Next to protection, factors influencing user compliance, such as sports performance, motion restriction, and users’ perceptions, are relevant for user compliance and thus injury prevention.
Serum Vitamin D Level Correlations With Tissue Vitamin D Level and Muscle Performance Before and After Rotator Cuff Repair
Sung-Min Rhee, * MD, Joo Hyun Park,y MD, Hyeon Jang Jeong,z MD , Young Kyu Kim, § MD, Kyunghoon Lee, || MD, and Joo Han Oh,z{ MD, PhD
doi : 10.1177/03635465221145711
There is a lack of studies about serum and tissue vitamin D levels of the rotator cuff muscle on muscle power, fatty degeneration, and healing failure after rotator cuff repair (RCR). Furthermore, no studies have evaluated vitamin D receptor proteins in the rotator cuff that show a close association with serum vitamin D levels.
Functional and Structural Outcomes After Arthroscopic Rotator Cuff Repair With or Without Preoperative Corticosteroid Injections
Sijia Feng, * MD, Huizhu Li, * MD, Yuting Zhong, * MD , Yuxue Xie,y MD, Jun Chen, * PhD, Yuzhou Chen, *z MD, PhD, and Shiyi Chen, *z MD, PhD
doi : 10.1177/03635465221145949
Corticosteroid injections (CSIs) are effective in alleviating pain in patients with rotator cuff tears, but controversy still exists regarding their potential adverse effects on clinical outcomes after rotator cuff repair.
Radiological and Histological Analyses of Nonrigid Versus Rigid Fixation for Free Bone Block Procedures in a Rabbit Model of Glenoid Defects
Junjie Xu,* MD , Chenliang Wu,* MD , Kang Han, * MD , Xueying Zhang, * MD , Zipeng Ye, * MD , Jia Jiang, * MD, Xiaoyu Yan, * MD, Wei Su, *y MD , and Jinzhong Zhao, *y MD
doi : 10.1177/03635465221145695
Nonrigid fixation techniques have been recently introduced in free bone block (FBB) procedures to treat substantial glenoid bone loss in patients with anterior shoulder instability. However, the radiological and histological effectiveness of nonrigid fixation versus conventional rigid fixation have not been comprehensively understood in vivo.
Effect of PARP-1 Inhibition on Rotator Cuff Healing: A Feasibility Study Using Veliparib in a Rat Model of Acute Rotator Cuff Repair
Michael B. Ku ̈ nzler, *yz§ MD , Michelle H. McGarry,z|| MS, Masaki Akeda,z MD, Hansel Ihn,z MD , Agnieszka Karol, § DVM, Brigitte von Rechenberg, § DVM, ECVS, Michael O. Scha ̈ r,y MD, Matthias A. Zumstein,y# MD, and Thay Q. Lee,z|| PhD
doi : 10.1177/03635465221148494
PARP-1 (poly[ADP-ribose]) was shown to influence the inflammatory response after rotator cuff tear, leading to fibrosis, muscular atrophy, and fatty infiltration in mouse rotator cuff degeneration. So far, it is not known how PARP-1 influences enthesis healing after rotator cuff tear repair.
Challenging the Perceptions of Human Tendon Allografts: Influence of Donor Age, Sex, Height, and Tendon on Biomechanical Properties
Dylan M. Ashton, * BE, BMedSc , Carina L. Blaker, * BE, BMedSc, PhD , Nicholas Hartnell,y MBBS, Patrick Haubruck,z§ MD, Samantha A. Hefferan, * BMedSc , Christopher B. Little, § BVMS, PhD , and Elizabeth C. Clarke,y|| BE, BSc, PhD
doi : 10.1177/03635465221143385
The use of allograft tendons has increased for primary and revision anterior cruciate ligament reconstruction, but allograft supply is currently limited to a narrow range of tendons and donors up to the age of 65 years. Expanding the range of donors and tendons could help offset an increasing clinical demand.
Changes in Elbow Stress and Ball Velocity During Reduced Effort Pitching: A Marker-Based Motion Capture Analysis
Anthony P. Fiegen, * MD, Stuart P. Nezlek, * MS, Stacy R. Loushin, * BS, Dan Christoffer, * ATC, Martijn Verhoeven,y PhD, Kenton R. Kaufman, * PhD, and Christopher L. Camp, *z MD
doi : 10.1177/03635465221144020
Baseball pitchers often participate in throwing programs that involve throwing at reduced effort levels to gradually increase the amount of stress experienced across the elbow. It is currently unknown how reduced effort pitching compares with maximum effort with respect to elbow stress and ball velocity.
Human Muscle–Derived Cells Are Capable of Tenogenic Differentiation and Contribution to Tendon Repair
Xiexiang Shao, * MD, Xingzuan Lin, * MD, Siyuan Zhu,* MD, Hao Zhou, * MD, Zhenfei Lu,y MD, Yuanyuan Zhang,z PhD, and Jianhua Wang, * § MD
doi : 10.1177/03635465221147486
It has been reported that the harvested hamstring tendon for autograft could be regenerated with well-oriented fibers and uniformly distributed spindle-shaped cells after removal. However, which cell type might participate in the repair process remains unknown.
Outcomes of Distal Femoral Osteotomy for Valgus Malalignment: A Systematic Review and Meta-analysis of Closing Wedge Versus Opening Wedge Techniques
Connor C. Diaz, * BA, Ophelie Z. Lavoie-Gagne, * MD , Derrick M. Knapik, * MD, Avinaash Korrapati, * BS, Jorge Chahla, * MD, PhD, and Brian Forsythe, *y MD
doi : 10.1177/03635465211051740
Valgus knee deformity increases the risk for lateral articular chondral damage, contributing to earlier onset and accelerated progression of osteoarthritis. Distal femoral osteotomy (DFO) unloads the lateral joint compartment and can be performed using closing wedge (CW) or opening wedge (OW) techniques.
Isolated Osteochondral Autograft Versus Allograft Transplantation for the Treatment of Symptomatic Cartilage Lesions of the Knee: A Systematic Review and Meta-analysis
David P. Trofa, * MD, Ian S. Hong,yz BMSc, Cesar D. Lopez, * BS, Allison J. Rao,y MD, Ziqing Yu,z PhD, Susan M. Odum,z§ PhD, Claude T. Moorman III,yz MD, Dana P. Piasecki,yz MD, James E. Fleischli,yz MD, and Bryan M. Saltzman,yz|| MD
doi : 10.1177/03635465211053594
Focal cartilage lesions of the knee remain a difficult entity to treat. Current treatment options include arthroscopic debridement, microfracture, autograft or allograft osteochondral transplantation, and cell-based therapies such as autologous chondrocyte transplantation.
Outcomes and Complications of Open Versus Minimally Invasive Repair of Acute Achilles Tendon Ruptures: A Systematic Review and Meta-analysis of Randomized Controlled Trials
Ahmed Khalil Attia, *y MD , Karim Mahmoud,z MD, Pieter d’Hooghe, § MD, MSc, MBA, PhD, Jason Bariteau, || MD, Sameh A. Labib, || MD , and Mark S. Myerson,{ MD
doi : 10.1177/03635465211053619
An acute Achilles tendon rupture is one of the most common sports injuries, affecting 18 per 100,000 persons, and its operative repair has been evolving and increasing in frequency since the mid-1900s.
Intra-articular Injection of Autologous Adipose-Derived Stem Cells or Stromal Vascular Fractions: Are They Effective for Patients With Knee Osteoarthritis? A Systematic Review With Meta-analysis of Randomized Controlled Trials
Kang-Il Kim, *y MD, PhD, Myung-Seo Kim, * MD, and Jun-Ho Kim, *z MD, PhD
doi : 10.1177/03635465211053893
Intra-articular injection of adipose-derived stem cells, which are divided into adipose-derived mesenchymal stem cells (ASCs) and adipose-derived stromal vascular fractions (ADSVFs), has been reported to be a viable treatment modality for knee osteoarthritis (OA); however, its efficacy remains limited.
In Memoriam: A Life Well Lived: Remembering Dr Peter Fowler, MD, FRCSC (1938-2022)
Alan M.J. Getgood, MD, FRCS Robert Litchfield, MD, FRCSC
Comparable Instrumented Knee Joint Laxity and Patient-Reported Outcomes After ACL Repair: Letter to the Editor
Armin Runer, MD Laura Keeling, MDVolker Musahl, MDJames Irrgang, PT, PhD
Comparable Instrumented Knee Joint Laxity and Patient-Reported Outcomes After ACL Repair: Response
Johannes Glasbrenner, MD Michael J. Raschke, MD, Prof. Christoph Kittl, MD Elmar Herbst, MD, PhD Christian Peez, MD Thorben Briese, MD Philipp Michel, MD Mirco Herbort, MD, Prof. Clemens Ko ̈sters, MD Benedikt Schliemann, MD, Prof
