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Journals American Journal of Sports Med...

American Journal of Sports Medicine

https://read.qxmd.com/read/36927195/the-effects-of-arthroscopic-labral-repair-on-patient-reported-outcomes-in-the-setting-of-periacetabular-osteotomy
#1
JOURNAL ARTICLE
Alison J Dittmer Flemig, Ryan S Selley, Anthony Essilfie, Stacy Robustelli, Brandon L Schneider, Anil Ranawat, Danyal Nawabi, Bryan T Kelly, Ernest L Sink
BACKGROUND: It is currently unknown whether the addition of arthroscopic labral repair in the setting of periacetabular osteotomy (PAO) provides any clinical benefit. PURPOSE/HYPOTHESIS: The purpose of this study was to compare outcomes of patients who underwent arthroscopic labral repair concomitantly with PAO versus patients who underwent PAO alone. We hypothesized that there would be no difference in patient-reported outcome measures (PROMs) between the cohorts...
March 16, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36927119/effect-of-posterior-tibial-slopes-on-graft-survival-rates-at-10-years-after-primary-single-bundle-posterior-cruciate-ligament-reconstruction
#2
JOURNAL ARTICLE
Kyoung Ho Yoon, Jong-Hwan Lee, Sang-Gyun Kim, Jae-Young Park, Hee-Sung Lee, Sang Jin Kim, Yoon-Seok Kim
BACKGROUND: Recent biomechanical studies have reported that stress on the posterior cruciate ligament (PCL) graft increases as the posterior tibial slope (PTS) decreases (flattened) in knees with single-bundle (SB) and double-bundle PCL reconstruction. Clinical studies of SB PCL reconstruction have shown that a flattened PTS is associated with a lesser reduction in posterior tibial translation. There is no long-term study on the clinical outcomes and graft survival rates of SB PCL reconstruction based on the medial and lateral PTSs measured on magnetic resonance imaging...
March 16, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36927084/distal-clavicle-autograft-versus-traditional-and-congruent-arc-latarjet-procedures-a-comparison-of-surface-area-and-glenoid-apposition-with-3-dimensional-computed-tomography-and-3-dimensional-magnetic-resonance-imaging
#3
JOURNAL ARTICLE
Billy I Kim, Caroline P Hudson, Dean C Taylor, Oke A Anakwenze, Jonathan F Dickens, Brian C Lau
BACKGROUND: Limited studies have compared graft-glenoid apposition and glenoid augmentation area between the Latarjet procedure and distal clavicle graft in glenohumeral stabilization. Additionally, preoperative planning is typically performed using computed tomography (CT), and few studies have used 3-dimensional (3D) magnetic resonance imaging (MRI) reformations to assess graft dimensions. PURPOSE: The purpose of this study was 2-fold: (1) to compare bony apposition, glenoid augmentation, and graft width among coracoid and distal clavicle bony augmentation techniques and (2) to determine the viability of 3D MRI to assess bone graft dimensions...
March 16, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36917840/a-modified-lemaire-lateral-extra-articular-tenodesis-in-high-risk-adolescents-undergoing-anterior-cruciate-ligament-reconstruction-with-quadriceps-tendon-autograft-2-year-clinical-outcomes
#4
JOURNAL ARTICLE
Daniel W Green, Sofia Hidalgo Perea, Christopher M Brusalis, Danielle E Chipman, Lori A Asaro, Frank A Cordasco
BACKGROUND: The incidence of anterior cruciate ligament (ACL) reconstruction (ACLR) in children and adolescents has increased significantly, and many such patients are at increased risk for ACL retear. Lateral extra-articular tenodesis (LET) may be performed in conjunction with ACLR to reduce the risk of ACL retear. PURPOSE: To evaluate the 2-year clinical outcomes of ACLR with soft tissue quadriceps tendon (QUAD) autograft performed with a concomitant LET using a modified Lemaire technique in skeletally immature patients...
March 14, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36917838/role-of-the-anterior-cruciate-ligament-anterolateral-complex-and-lateral-meniscus-posterior-root-in-anterolateral-rotatory-knee-instability-a-biomechanical-study
#5
JOURNAL ARTICLE
Lukas Willinger, Kiron K Athwal, Sander Holthof, Andreas B Imhoff, Andy Williams, Andrew A Amis
BACKGROUND: Injuries to the anterior cruciate ligament (ACL), Kaplan fibers (KFs), anterolateral capsule/ligament (C/ALL), and lateral meniscus posterior root (LMPR) have been separately linked to anterolateral instability. PURPOSE: To investigate the contributions of the ACL, KFs, C/ALL, and LMPR to knee stability and to measure instabilities resulting from their injury. STUDY DESIGN: Controlled laboratory study. METHODS: Ten fresh-frozen human knees were tested robotically to determine restraints of knee laxity at 0° to 90° of flexion...
March 14, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36917833/current-definitions-of-failure-in-lateral-ankle-instability-surgery-a-systematic-review
#6
JOURNAL ARTICLE
Johnathan Dallman, Megan R Wolf, Tanner Campbell, Trent Herda, Jacob White, Armin Tarakemeh, Bryan G Vopat
BACKGROUND: "Failure" is a term that is frequently used to describe an unfavorable outcome for patients who undergo surgical treatment for lateral ankle instability (LAI). A standard definition of failure for the surgical treatment of ankle instability has not been established by clinicians and researchers. PURPOSE: To identify the definitions of ankle instability treatment failure that are currently in the literature and to work toward the standardization of the definition...
March 14, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36917829/repairing-avascular-meniscal-lesions-by-recruiting-endogenous-targeted-cells-through-bispecific-synovial-meniscal-aptamers
#7
JOURNAL ARTICLE
Zhong Chen, Xing-Hao Deng, Chuan Jiang, Jing-Song Wang, Wei-Ping Li, Ke-Long Zhu, Yu-Heng Li, Bin Song, Zheng-Zheng Zhang
BACKGROUND: Tissue engineering is a promising treatment option for meniscal lesions in the avascular area, but a favorable cell source and its utilization in tissue-engineered menisci remain uncertain. Therefore, a more controllable and convenient method for cell recruitment is required. HYPOTHESIS: Circular bispecific synovial-meniscal (S-M) aptamers with a gelatin methacryloyl (GelMA) hydrogel can recruit endogenous synovial and meniscal cells to the site of the defect, thereby promoting in situ meniscal regeneration and chondroprotection...
March 14, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36917828/exosomes-derived-from-kartogenin-preconditioned-mesenchymal-stem-cells-promote-cartilage-formation-and-collagen-maturation-for-enthesis-regeneration-in-a-rat-model-of-chronic-rotator-cuff-tear
#8
JOURNAL ARTICLE
Jiangyu Cai, Junjie Xu, Zipeng Ye, Liren Wang, Ting Zheng, Tianlun Zhang, Yufeng Li, Jia Jiang, Jinzhong Zhao
BACKGROUND: Poor tendon-to-bone healing in chronic rotator cuff tears (RCTs) is related to unsatisfactory outcomes. Exosomes derived from mesenchymal stem cells reportedly enhance rotator cuff healing. However, the difficulty in producing exosomes with a stronger effect on enthesis regeneration must be resolved. PURPOSE: To study the effect of exosomes derived from kartogenin (KGN)-preconditioned human bone marrow mesenchymal stem cells (KGN-Exos) on tendon-to-bone healing in a rat model of chronic RCT...
March 14, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36917792/biomechanical-comparison-of-anterior-cruciate-ligament-reconstruction-using-a-single-bundle-round-or-ribbon-like-hamstring-tendon-graft
#9
JOURNAL ARTICLE
Jean-Romain Delaloye, Christoph Hartog, Samuel Blatter, Michel Schläppi, Dominic Müller, Thorsten Schwenke, Jozef Murar, Peter P Koch
BACKGROUND: Persistent instability of the knee is reported in up to 30% of patients after anterior cruciate ligament (ACL) reconstruction. Based on anatomic findings showing that ACL is a flat ribbon-like structure that twists during knee flexion, a new surgical ACL reconstruction technique using a ribbon-like graft has been developed. However the effect of this surgical technique on knee kinematics has not yet been evaluated. PURPOSE: To compare the anteroposterior and rotational stability of the knee after ACL reconstruction using single-bundle (SB) round and ribbon-like grafts in anterolateral-intact/deficient knees...
March 14, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36917780/the-modified-assessment-tool-based-on-scapular-y-view-for-global-fatty-infiltration-in-the-supraspinatus-muscle-correlation-predictive-performance-and-reliability-analyses
#10
JOURNAL ARTICLE
Junjie Xu, Beibei Liu, Kang Han, Zipeng Ye, Xiuyuan Zhang, Yi Qiao, Yuchen Jin, Jia Jiang, Wei Su, Yuehua Li, Jinzhong Zhao
BACKGROUND: The accurate evaluation of rotator cuff (RC) fatty degeneration after tears is critical for appropriate surgical decision making and prognosis. However, there is currently no reliable and practical tool to reflect the global fatty infiltration (Global-FI) throughout the 3-dimensional (3D) volumetric RC muscles. PURPOSE: (1) To determine the correlations between 2 modified assessment tools and the Global-FI and their predictive performances and reliabilities for Global-FI prediction, and (2) to compare these predictive parameters with those of the conventional tool using a single scapular Y-view slice...
March 14, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36883577/subacromial-balloon-spacer-implantation-for-massive-irreparable-rotator-cuff-tears-is-associated-with-restoration-of-the-acromiohumeral-interval-and-glenohumeral-center-of-pressure-a-systematic-review-and-meta-analysis-of-controlled-laboratory-studies
#11
JOURNAL ARTICLE
Kyle N Kunze, Jay Moran, Samuel A Taylor, Michael C Fu, Scott A Rodeo, Russell F Warren, David M Dines, Lawrence V Gulotta, Joshua S Dines
BACKGROUND: Biodegradable subacromial balloon spacers (SBSs) have become increasingly used for the treatment of massive irreparable rotator cuff tears given their theorized clinical benefits; however, the relationship between biomechanical functions of the balloon spacer and clinical benefits remains unclear. PURPOSE: To perform a systematic review and meta-analysis of controlled laboratory studies investigating the use of SBSs for massive irreparable rotator cuff tears...
March 8, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36876866/retrotilt-of-the-pelvis-during-periacetabular-osteotomy-how-to-avoid-a-systematic-error-resulting-in-acetabular-retroversion-and-possible-femoroacetabular-impingement
#12
JOURNAL ARTICLE
Nicolas Vuillemin, Malin Kristin Meier, Angela Maria Moosmann, Klaus Arno Siebenrock, Simon Damian Steppacher
BACKGROUND: Pelvic tilt directly influences acetabular version on radiographs. Changes of pelvic tilt potentially affect acetabular reorientation after periacetabular osteotomy (PAO). PURPOSE: (1) To compare the ratio of the pubic symphysis height to the sacroiliac width (PS-SI) between hips with dysplasia and acetabular retroversion, uni- and bilateral PAO, and male and female patients. (2) To evaluate pelvic tilt (quantified using the PS-SI ratio) in patients after PAO by tracking it from preoperative to intra- and postoperative and short- and middle-term follow-up...
March 6, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36876853/medial-discoid-meniscus-in-children-a-multicenter-case-series-of-clinical-features-and-operative-results
#13
JOURNAL ARTICLE
Kathryn G Anderson, Sasha Carsen, Zachary Stinson, Indranil Kushare, Craig J Finlayson, Marie-Lyne Nault, R Jay Lee, Brian M Haus, Gregory A Schmale
BACKGROUND: The discoid medial meniscus is a rare congenital anomaly of the knee. The literature is limited to small case series. PURPOSE/HYPOTHESIS: Our purpose is to report the clinical manifestations and operative treatments of discoid medial menisci in children from multiple centers in North America. We hypothesized that symptoms and signs, arthroscopic findings, surgical treatments, and outcomes are similar to those for symptomatic discoid lateral menisci. STUDY DESIGN: Case series; Level of evidence, 4...
March 6, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36876746/return-to-sport-after-nonoperative-management-of-elbow-ulnar-collateral-ligament-injuries-a-systematic-review-and-meta-analysis
#14
JOURNAL ARTICLE
Varun Gopinatth, Anjay K Batra, Zeeshan A Khan, Garrett R Jackson, Harkirat S Jawanda, Enzo S Mameri, Johnathon R McCormick, Derrick M Knapik, Jorge Chahla, Nikhil N Verma
BACKGROUND: Elbow ulnar collateral ligament (UCL) injuries can result in significant functional impairment in throwing and overhead athletes. UCL reconstruction and repair are proven treatments to restore stability, but the efficacy of nonoperative management is unclear. PURPOSE: To determine the rate of return to sports (RTS) and return to previous level of play (RTLP) in athletes sustaining medial elbow ulnar collateral ligament (UCL) injuries treated nonoperatively...
March 6, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36876745/biomechanical-stability-of-lateral-ulnar-collateral-ligament-reconstruction-and-repair-of-the-elbow-the-role-of-ligament-bracing-on-gap-formation-and-stabilization
#15
JOURNAL ARTICLE
Samuel Bachmaier, Coen A Wijdicks, Nikhil N Verma, Laurence D Higgins, Stefan Greiner
BACKGROUND: Augmented (internal braced) lateral ulnar collateral ligament (LUCL) repair has been biomechanically compared with reconstruction techniques in the elbow. However, LUCL repair alone has not yet been compared with augmented repair and reconstruction techniques. HYPOTHESIS: Internal bracing of LUCL repair would improve time-zero stabilization regarding gap formation, stiffness, and residual torque as compared with repair alone and reconstruction techniques to restore native elbow stability...
March 6, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36876737/anatomic-features-of-patients-with-recurrent-peroneal-tendon-dislocation
#16
JOURNAL ARTICLE
Akinobu Nishimura, Shigeto Nakazora, Yoshiyuki Senga, Aki Fukuda, Akihiro Sudo
BACKGROUND: There are several anatomic variations of the peroneal muscles and lateral malleolus of the ankle that may play an important role in the onset of peroneal tendon dislocation. PURPOSE: To investigate the anatomic variations of the retromalleolar groove and peroneal muscles in patients with and without recurrent peroneal tendon dislocation using magnetic resonance imaging (MRI) and computed tomography (CT). STUDY DESIGN: Cross-sectional study; Level of evidence, 3...
March 6, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36876736/estimation-failure-risk-by-0-5-mm-differences-in-autologous-hamstring-graft-diameter-in-anterior-cruciate-ligament-reconstruction-a-meta-analysis
#17
JOURNAL ARTICLE
Masafumi Itoh, Junya Itou, Ken Okazaki, Kiyotaka Iwasaki
BACKGROUND: Because grafts are made in 0.5-mm increments clinically for anterior cruciate ligament (ACL) reconstruction, it is important to clarify how the failure rate decreases as the diameter increases. Moreover, it is important to know whether even a slight increase in the graft diameter decreases the risk of failure. HYPOTHESIS: The risk of failure decreases significantly with each 0.5-mm increase in hamstring graft diameter. STUDY DESIGN: Meta-analysis; Level of evidence, 4...
March 6, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36867053/examining-the-distribution-of-bone-bruise-patterns-in-contact-and-noncontact-acute-anterior-cruciate-ligament-injuries
#18
JOURNAL ARTICLE
Jay Moran, Michael S Lee, Kyle N Kunze, Joshua S Green, Lee D Katz, Annie Wang, William M McLaughlin, Stephen M Gillinov, Andrew E Jimenez, Timothy E Hewett, Robert F LaPrade, Michael J Medvecky
BACKGROUND: Bone bruises are commonly seen on magnetic resonance imaging (MRI) in acute anterior cruciate ligament (ACL) injuries and can provide insight into the underlying mechanism of injury. There are limited reports that have compared the bone bruise patterns between contact and noncontact mechanisms of ACL injury. PURPOSE: To examine and compare the number and location of bone bruises in contact and noncontact ACL injuries. STUDY DESIGN: Cross-sectional study; Level of evidence, 3...
March 3, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36867050/immobilization-in-external-rotation-versus-arthroscopic-stabilization-after-primary-anterior-shoulder-dislocation-a-systematic-review-of-level-1-and-2-studies
#19
JOURNAL ARTICLE
Andrew G Potyk, John W Belk, Jonathan T Bravman, Adam J Seidl, Rachel M Frank, Eric C McCarty
BACKGROUND: Arthroscopic stabilization has been established as a superior treatment option for primary glenohumeral instability when compared with immobilization in internal rotation. However, immobilization in external rotation (ER) has recently gained interest as a viable nonoperative treatment option for patients with shoulder instability. PURPOSE: To compare the rates of recurrent instability and subsequent surgery in patients undergoing treatment for primary anterior shoulder dislocation with arthroscopic stabilization versus immobilization in ER...
March 3, 2023: American Journal of Sports Medicine
https://read.qxmd.com/read/36867049/autograft-demonstrates-superior-outcomes-for-revision-anterior-cruciate-ligament-reconstruction-when-compared-with-allograft-a-systematic-review
#20
JOURNAL ARTICLE
John W Belk, Connor P Littlefield, John-Rudolph H Smith, Patrick C McCulloch, Eric C McCarty, Rachel M Frank, Matthew J Kraeutler
BACKGROUND: Multiple studies have compared outcomes among patients undergoing revision anterior cruciate ligament reconstruction (ACLR) with autograft versus allograft, but these data are inconsistently reported and long-term outcomes depending on graft type are yet to be determined. PURPOSE: To perform a systematic review of clinical outcomes after revision ACLR (rACLR) with autograft versus allograft. STUDY DESIGN: Systematic review; Level of evidence, 4...
March 3, 2023: American Journal of Sports Medicine
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