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Fifty Years of ACL Biomechanics: What’s Next?
Braden C. Fleming, PhD
doi : 10.1177/03635465221136834
Volume 50 Issue 14, December 2022
Presidential Address of the American Orthopaedic Society for Sports Medicine: AOSSM�A Championship Team
Kurt P. Spindler
Rates and Levels of Elite Sport Participation at 5 Years After Revision ACL Reconstruction
Vitor Hugo Pinheiro, * MD, MSc, Mary Jones, * MSc, Grad Dip Phys, Kyle A. Borque,y MD, Ganesh Balendra, * MBBS, BMedSci, FRACS, FAOrthA, Nathan P. White,z B Physio, MBBS, FRACS, Simon V. Ball,* § MA, FRCS (Tr & Orth), and Andy Williams, * || MB, BS, FRCS (Orth), FFSEM(UK)
doi : 10.1177/03635465221127297
There is a paucity of data regarding return to play (RTP), level of competition, and longevity of play after revision of anterior cruciate ligament (ACL) reconstruction (ACLR) in elite athletes.
All-Soft Tissue Quadriceps Tendon Autograft in Revision Anterior Cruciate Ligament Reconstruction in Athletes: Comparison to Bone-Patellar Tendon-Bone Autograft With at Least a 2-Year Follow-up
Joseph C. Brinkman, *y MD, Sailesh V. Tummala,y MD, Michael L. Moore,z BS, MBA, and Kostas J. Economopoulos,y MD
doi : 10.1177/03635465221126523
Revision anterior cruciate ligament (ACL) reconstruction is being performed at an increasing rate. Previous literature has suggested that autograft ACL reconstruction is a better option than allograft in revision surgery, although the optimal autograft choice remains unknown. The all–soft tissue quadriceps tendon (ASTQT) autograft has been found to be an effective option for primary ACL reconstruction. However, few studies have evaluated ASTQT autograft in revision ACL reconstruction.
Combined Anterior Cruciate Ligament Reconstruction and Modified Lemaire Lateral Extra-articular Tenodesis Better Restores Knee Stability and Reduces Failure Rates Than Isolated Anterior Cruciate Ligament Reconstruction in Skeletally Immature Patients
Simone Perelli, *yz MD , Giuseppe Gianluca Costa, § MD, Veronica Montiel Terron, || MD, PhD, Mario Formagnana,{ MD, Corrado Bait, # MD, Joa ̃ o Espregueira-Mendes, **yyzz§§|||| MD, PhD, Prof., and Juan Carlos Monllau,yz MD, PhD, Prof.
doi : 10.1177/03635465221128926
The increase in anterior cruciate ligament (ACL) injuries in pediatric patients and the high failure rate reported in the literature in this population are driving surgeons to search for specific techniques to better restore knee stability. Recent literature has reported that the combination of lateral extra-articular tenodesis (LET) and ACL reconstruction improves outcomes in high-risk patients. However, such advantages in pediatric patients have been infrequently evaluated.
Predicting the Objective and Subjective Clinical Outcomes of Anterior Cruciate Ligament Reconstruction: A Machine Learning Analysis of 432 Patients
Zipeng Ye, * MD , Tianlun Zhang,* MD, Chenliang Wu,* MD , Yi Qiao, * MD, Wei Su, * MD , Jiebo Chen, * MD , Guoming Xie, * MD, Shikui Dong, *y MD, Junjie Xu,*y MD , and Jinzhong Zhao, *y MD
doi : 10.1177/03635465221129870
Sports levels, baseline patient-reported outcome measures (PROMs), and surgical procedures are correlated with the outcomes of anterior cruciate ligament reconstruction (ACLR). Machine learning may be superior to conventional statistical methods in making repeatable and accurate predictions.
Posterior Horn Lateral Meniscal Oblique Radial Tear in Acute Anterior Cruciate Ligament Reconstruction Incidence and Outcomes After All-Inside Repair: Clinical and Second-Look Arthroscopic Evaluation
Young-Sik Jeon, * MD, Khalid Alsomali,y MD, Seong Wook Yang, * MD, Oei Jong Lee, * MD, Byoungyoul Kang, * MD, and Joon Ho Wang, *z MD, PhD
doi : 10.1177/03635465221126506
The term posterior horn lateral meniscal oblique radial tear (LMORT) has emerged to characterize the tear patterns of the lateral meniscus in many patients with acute anterior cruciate ligament (ACL) injury. There is a lack of data regarding the exact incidence according to the types of LMORT and clinical outcomes.
Arthroscopic Treatment of Symptomatic Discoid Lateral Meniscus and Nondiscoid Meniscus in Adolescent Patients
Lisa Su, * MD, Abbie Bennett, *y MS, Kristen Combs, * MD, Timothy W. Torrez, * MD, Derek C. Pham,z Nicholas J. Jackson,z PhD, MPH, Richard E. Bowen, *y MD, and Jennifer J. Beck, *y§ MD
doi : 10.1177/03635465221130455
Discoid lateral meniscus (DLM) is a rare condition. Patient-reported outcomes using validated instruments are underreported in the literature. DLM outcomes have not been directly compared with nondiscoid meniscus (non-DLM) in adolescent patients.
Early Postoperative CT Scan Provides Prognostic Data on Clinical Outcomes of Fresh Osteochondral Transplantation of the Knee
Pablo Eduardo Gelber, *yz MD, PhD, Eduard Ramı �rez-Bermejo,y MD, and Oscar Farin ̃ as, § MD
doi : 10.1177/03635465221129601
There is a lack of information regarding the ability of imaging studies to predict clinical outcomes after fresh osteochondral allograft (FOCA) transplantation of the knee.
Predictive Factors for Lateral Hinge Fracture in Medial Closing Wedge Distal Femoral Osteotomy
Kyung Wook Nha, * MD, PhD, Hyung Suh Kim, * MD, Dong Uk Jin,y MD, Ji Hoon Bae,z MD, PhD, Jaykumar M. Patel, § and Sang-Gyun Kim,y|| MD, PhD
doi : 10.1177/03635465221131527
Recent studies have reported that lateral hinge fracture (LHF) has a negative effect on bone healing at the osteotomy site after medial closing wedge distal femoral osteotomy (MCDFO). However, limited evidence exists in the literature regarding the predictive factors for LHF in MCDFO.
The Biomechanical Stability of Bone Staples in Cortical Fixation of Tendon Grafts for Medial Collateral Ligament Reconstruction Depends on the Implant Design
Adrian Deichsel, * MD, Michael J. Raschke, * MD, Prof, Elmar Herbst, * MD, PhD, Christian Peez, * MD, Simon Oeckenpo ̈ hler, * MD, Thorben Briese, * MD, Jens Wermers, * MSc , Christoph Kittl, * MD, and Johannes Glasbrenner, *y MD
doi : 10.1177/03635465221130753
The promising biomechanical stability of bone staples (BSs) in cortical fixation of tendon grafts for medial collateral ligament (MCL) reconstruction has been revealed by a previous investigation. However, it is currently unknown if the biomechanical stability of cortical fixation of tendon grafts depends on the BS design.
Venous Thromboembolism Chemoprophylaxis in Knee Arthroscopy: A Break-Even Analysis of Cost
Brandon J. Martinazzi, *y BS, Gregory J. Kirchner,y MD, MPH, F. Jeffrey Lorenz,y BS, Vincenzo Bonaddio,y MD, Shawn Hines,y MD, Raymond Y. Kim,y MD, and Robert A. Gallo,y MD, MHA
doi : 10.1177/03635465221130990
Symptomatic venous thromboembolism (VTE) is a serious and costly complication after knee arthroscopy. There continues to be debate regarding the use of VTE prophylaxis after knee arthroscopy, and minimal research has explored its cost-effectiveness.
RANTES Concentration at the Time of Surgery Is Associated With Postoperative Stiffness in Patients Undergoing ACL Reconstruction
Amanda Avila, *y MPH, Massimo Petrera,y MD, FRCSC, Matthew Duenes,y MD, Matthew T. Kingery,y MD, Melissa Song,y BS, Laith M. Jazrawi,y MD, and Eric J. Strauss,y MD
doi : 10.1177/03635465221131805
Patients undergoing anterior cruciate ligament (ACL) reconstruction have been shown to be at risk for postoperative arthrofibrosis. Diagnostic biomarkers associated with the development of postoperative stiffness are unknown.
Synergistic Effect of Reverse Drilling and Bone Dust on Femoral Tendon-Bone Healing After Anterior Cruciate Ligament Reconstruction in a Rabbit Model
Weinan Yang, *yz§ MMed, Congsun Li,*yz§ MMed, Xiaoxiao Ji, *yz§ MMed, Minjun Yao, *yz§ MD, Jianqiao Hong, *yz§ MD, Zihao Qu, *yz§ MD, An Liu,*yz§|| MD, PhD, and Haobo Wu,*yz§|| MD, PhD
doi : 10.1177/03635465221129267
Anterior cruciate ligament (ACL) injuries and bone tunnel enlargement (BTE) after ACL reconstruction (ACLR) remain frequent issues. Bone dust (BD) produced by tunnel preparation with osteogenic ability and reverse drilling (RD), an easy compaction technique, make it accessible to enhance tendon-bone healing in the clinic.
Comparable Recovery and Compensatory Strategies in Heel-Rise Performance After a Surgically Repaired Acute Achilles Tendon Rupture: An In Vivo Kinematic Analysis Comparing Early Functional Mobilization and Standard Treatment
Susanna Aufwerber, *yz PT, PhD , Karin Gra ̈ vare Silbernagel, § PT, ATC, PhD , Paul W. Ackermann,y|| MD, PhD, and Josefine E. Naili,{ PT, PhD
doi : 10.1177/03635465221129284
Deficits in calf muscle function and heel-rise performance are common after an Achilles tendon rupture (ATR) and are related to tendon elongation and calf muscle atrophy. Whether early functional mobilization (EFM) can improve calf muscle function compared with standard treatment (ST) with 2 weeks of immobilization and unloading in a plaster cast is unknown.
Achilles Tendons Display Region-Specific Transcriptomic Signatures Associated With Distinct Mechanical Properties
Nathaniel P. Disser, *y BS , Alexander N. Piacentini, * MS, Andrea J. De Micheli, *z PhD , Martin M. Schonk, * MS, Vincent J.H. Yao, * § BS , Xiang-Hua Deng, * MD, David J. Oliver, * || PhD, and Scott A. Rodeo, *{ MD
doi : 10.1177/03635465221128589
Previous studies have examined the transcriptomes and mechanical properties of whole tendons in different regions of the body. However, less is known about these characteristics within a single tendon.
Distance to Dislocation and Recurrent Shoulder Dislocation After Arthroscopic Bankart Repair: Rethinking the Glenoid Track Concept
Aaron E. Barrow, * MD, Shaquille J.-C. Charles, * MSc, Mohamad Issa,y MD, Ajinkya A. Rai, * BS, Jonathan D. Hughes, *z MD , Bryson P. Lesniak, *z MD, Mark W. Rodosky, *z MD, Adam Popchak, *z PhD, and Albert Lin,*z§ MD
doi : 10.1177/03635465221128913
The “distance to dislocation� (DTD) calculation has been proposed as 1 method to predict the risk of recurrent dislocation after arthroscopic Bankart repair for an “on-track� shoulder. Rates of recurrent dislocation at specific DTD values are unknown.
Glenoid Track Width Is Smaller Under Dynamic Conditions: An In Vivo Dual-Fluoroscopy Imaging Study
Chenliang Wu,* MD , Yufan Wang,yz§ BSc, Cong Wang,yz§ BSc , Jiebo Chen, * MD , Junjie Xu,* MD, Wanxin Yu,yz§ BSc, Kai Huang,* MD, Zipeng Ye, * MD , Jia Jiang, * MD, Tsung-Yuan Tsai,y||{ PhD, Jinzhong Zhao, *{ MD , and Guoming Xie, *{ MD
doi : 10.1177/03635465221126650
The glenoid track concept has been widely used to assess the risk of instability due to bipolar bone loss. The glenoid track width was commonly used as 83% of the glenoid width to determine if a lesion was on-track or off-track. However, the value was obtained under static conditions, and it may not be able to reflect the actual mechanism of traumatic dislocation during motion.
Biomechanical Analysis of Posterior Open-Wedge Osteotomy and Glenoid Concavity Reconstruction Using an Implant-Free, J-Shaped Iliac Crest Bone Graft
Lukas Ernstbrunner, *yz MD, PhD, Paul Borbas, § MD, Andrew M. Ker, § MD, Florian B. Imhoff, § MD, Elias Bachmann, §|| MSc, Jess G. Snedeker, §|| PhD, Karl Wieser, § MD, and Samy Bouaicha, § MD
doi : 10.1177/03635465221128918
Posterior open-wedge osteotomy and glenoid reconstruction using a J-shaped iliac crest bone graft showed promising clinical results for the treatment of posterior instability with excessive glenoid retroversion and posteroinferior glenoid deficiency.
Clinical Outcomes After Arthroscopic Pancapsular Shift for the Treatment of Multidirectional Glenohumeral Instability at a Mean Follow-up of 9 Years
Jordan A. Gruskay, *y MD, Dylan R. Rakowski, * MD, Thomas E. Woolson, * BA, Marilee P. Horan, * MPH, and Peter J. Millett, *yz MD, MSc
doi : 10.1177/03635465221127293
Arthroscopic treatment of multidirectional instability (MDI) of the shoulder is being increasingly performed, but there is a paucity of studies with minimum 5-year follow-up.
Effect of Fatty Infiltration of the Infraspinatus Muscle on Outcomes and Graft Failure After Arthroscopic Superior Capsule Reconstruction for Irreparable Posterosuperior Rotator Cuff Tears
Jun-Bum Lee, * MD, Erica Kholinne,y MD, PhD , Ji Woong Yeom, * MD, Hui Ben,z MD, PhD, Basim Masoud AlAhmadi, *y MD, PhD, Kyung-Hwan Koh, * MD, PhD , and In-Ho Jeon, * § MD, PhD
doi : 10.1177/03635465221130459
Superior capsule reconstruction (SCR) was developed as an alternative treatment for irreparable rotator cuff tears to restore superior stability of the glenohumeral joint. Although fatty infiltration (FI) of the rotator cuff muscles, especially the infraspinatus, has been implicated as a predictor of outcomes and graft integrity after rotator cuff repair, it has not been fully investigated in cases of SCR.
Effect of Quality of Repair on Clinical and Structural Outcomes of Rotator Cuff Repair
Tae Won Go, * MD, Ji Eun Park,y MD, Sohee Oh,z PhD, Minjoon Cho, * MD, and Chris Hyunchul Jo, * §|| MD
doi : 10.1177/03635465221130759
Anatomic repair of a torn rotator cuff tendon on the greater tuberosity (GT) is an important surgical goal in rotator cuff repair. However, few studies have investigated whether the efforts made to maximize coverage of the GT are associated with the clinical and structural outcomes after rotator cuff repair surgery.
Prognostic Factors Leading to Good or Poor Outcomes Based on Functional and Radiological Findings After a Rotator Cuff Retear
Gotak Kim, * MD, Segi Kim, * MD, Younghun Lee, * MD, Inseok Jang,* MD, and Jae Hwa Kim, *y MD, PhD
doi : 10.1177/03635465221128232
A retear after rotator cuff repair is a common problem; however, there is little information related to the prognosis after a retear. In addition, some patients with retears have satisfactory outcomes, which raises the question of whether a retear leads to a poor prognosis.
Studying Edema Formation After Release of the Infraspinatus Tendon as an Experimental Model of Rotator Cuff Tears in Sheep: A Preliminary Imaging and Morphological Analysis
Alexandre La ̈ dermann, *yz§ MD , Rieke Gehrke, || Medvet, Karina Klein,|| DrMedvet, Agnieszka Karol, || Medvet, Salim Darwiche, ||{ MD, Peter Schwarzenberg, # PhD, Thomas Steffen, ||{ MD, Karl Wieser, ** MD, Peter Kronen, || DrMedvet, and Brigitte von Rechenberg, ||{ DrMedvet, Dipl ECVS
doi : 10.1177/03635465221130446
The cause, extent, and role of muscle edema for muscle degeneration are unknown and not considered in the current literature. In vivo experiments were designed to prove muscle edema formation in the early period in a sheep model of acute rotator cuff tears.
Advantages of CT Versus MRI for Preoperative Assessment of Osteochondritis Dissecans of the Capitellum
Sebastian A. Mu ̈ ller, *y MD, Julia A. Mu ̈ ller-Lebschi, *z MD, Ezekiel E. Shotts, § MD, Jeffrey R. Bond, || MD, Christin A. Tiegs-Heiden, || MD, Mark S. Collins, || MD, and Shawn W. O’Driscoll, *{ PhD, MD
doi : 10.1177/03635465221129598
Magnetic resonance imaging (MRI) is considered to be the gold standard for imaging of osteochondritis dissecans (OCD).
Reliability of Radiographic Imaging Characteristics for Osteochondritis Dissecans of the Capitellum
Carl Nissen MD Link to ORCID Deborah C. Bohn MD Allison Crepeau MD Eric Edmonds MD Theodore Ganley MD Regina Kostyun MSEd, ATC J. Todd R. Lawrence MD, PhD J. Lee Pace MD Paul Saluan MD Carlos Uquillas MD Eric Wall MD Philip L. Wilson MD Donald S. Bae MD
doi : 10.1177/03635465221130452
A primary challenge in the treatment of capitellar osteochondritis dissecans (OCD) is accurate imaging assessment. Radiographic classification consensus is not available in the current literature, and correlation of radiographs with lesion stability and resultant best treatment is lacking.
Distal Biceps Tendon Ruptures: Diagnostic Strategy Through Physical Examination
Elisa L. Zwerus, *yz MD, Derek F.P. van Deurzen, § MD, PhD, Michel P.J. van den Bekerom, §|| MD, PhD, Bertram The,z MD, PhD, and Denise Eygendaal,yz MD, PhD
doi : 10.1177/03635465221129874
Distinguishing a complete from a partial distal biceps tendon rupture is essential, as a complete rupture may require repair on short notice to restore function, whereas partial ruptures can be treated nonsurgically in most cases. Reliability of physical examination is crucial to determine the right workup and treatment in patients with a distal biceps tendon rupture.
Human Adipose- and Amnion-Derived Mesenchymal Stromal Cells Similarly Mitigate Osteoarthritis Progression in the Dunkin Hartley Guinea Pig
Adam Kwapisz, *y MD, PhD , Mackenzie Bowman,z MS, Joshua Walters,z PhD, Heather Cosh,z BS, Brian Burnikel,y MD, John Tokish, § MD, Tong Ye, || PhD, and Jeremy Mercuri,z{# PhD
doi : 10.1177/03635465221126683
Clinical trials are currently underway to investigate the efficacy of intra-articular administration of mesenchymal stromal cells (MSCs) to mitigate osteoarthritis (OA) progression in the knee. Although multiple MSC sources exist, studies have yet to determine whether differences in therapeutic efficacy exist between them.
Quadriceps Tendon Versus Hamstring Tendon Autografts for Anterior Cruciate Ligament Reconstruction: A Systematic Review and Meta-analysis
Tze Khiang Tan, *y MBChB, Arjun Gopal Subramaniam,z MBBS, Jay R. Ebert, § PhD, and Ross Radic, || MBBS, FRACS(Ortho), FAOrthA
doi : 10.1177/03635465211033995
Autograft choice in anterior cruciate ligament reconstruction (ACLR) remains controversial, with increasing interest in the usage of quadriceps tendon (QT) autograft versus traditional hamstring tendon (HT) use. The current study undertakes an in-depth review and comparison of the clinical and functional outcomes of QT and HT autografts in ACLR.
Biceps Tenodesis Versus Superior Labral Anterior and Posterior (SLAP) Lesion Repair for the Treatment of SLAP Lesion in Overhead Athletes: A Systematic Review and Meta-analysis
Myung Ho Shin, * MD, Samuel Baek, * MD, Tae Min Kim, * MD, HyunTae Kim, * MD, Kyung-Soo Oh, * MD, PhD, and Seok Won Chung, *y MD, PhDMyung Ho Shin, * MD, Samuel Baek, * MD, Tae Min Kim, * MD, HyunTae Kim, * MD, Kyung-Soo Oh, * MD, PhD, and Seok Won Chung, *y MD, PhD
doi : 10.1177/03635465211039822
Superior labral anterior and posterior (SLAP) lesions are common injuries in overhead athletes. As a surgical treatment for SLAP lesions, SLAP repair has been traditionally performed. Recently, biceps tenodesis has been performed as an alternative treatment option; however, there is no review for outcome comparisons between these 2 procedures in overhead athletes.
Clinical and Functional Outcomes by Graft Type in Superior Capsular Reconstruction: A Systematic Review and Meta-analysis
Alexander Lee, * BS, Ali S. Farooqi, * BA , David Novikov,y MD, Xinning Li,y MD, John D. Kelly IV,z MD, and Robert L. Parisien, §|| MD
doi : 10.1177/03635465211040440
In recent years, superior capsular reconstruction (SCR) has emerged as a promising treatment for massive rotator cuff tears and has been performed with an array of graft options, most commonly dermal allograft and tensor fascia lata (TFL) autograft.
Securing Transplanted Meniscal Allografts Using Bone Plugs Results in Lower Risks of Graft Failure and Reoperations: A Meta-analysis
Zachariah Gene Wing Ow, * Chin Kai Cheong, * Hao Han Hai, * Cheng Han Ng,* Dean Wang,y Aaron J. Krych,z MD , Daniel B.F. Saris,z MD, PhD, Keng Lin Wong, * §||{ FRCSEd(Orth), and Heng An Lin, || FRCSEd(Orth)
doi : 10.1177/03635465211042014
Meniscal allograft transplant (MAT) is an important treatment option for young patients with deficient menisci; however, there is a lack of consensus on the optimal method of allograft fixation.
In Memoriam: Dieter M. Kohn, MD (1953-2022)
Patrick Orth MD Romain Seil MD Henning Madry MD
Anatomic Anterior Talofibular Ligament Repair: Letter to the Editor
Shikai Xiong MD Xing Xie MD Qinwei Guo MD
Anatomic Anterior Talofibular Ligament Repair: Response
Sung Hyun Lee MD, PhD Je Heon Yang MD Isac Kim MD
Corrigendum to “Recall Bias in the Retrospective Collection of Common Patient-Reported Outcome Scores in Hip Arthroscopy�
Corrigendum to “Isolated ACL Reconstruction Versus ACL Reconstruction Combined With Lateral Extra-articular Tenodesis: A Comparative Study of Clinical Outcomes in Adolescent Patients�
