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American Journal of Sports Medicine

https://read.qxmd.com/read/33449808/the-lateral-femoral-notch-sign-is-correlated-with-increased-rotatory-laxity-after-anterior-cruciate-ligament-injury-pivot-shift-quantification-with-a-surgical-navigation-system
#1
Gian Andrea Lucidi, Alberto Grassi, Stefano Di Paolo, Piero Agostinone, Maria Pia Neri, Luca Macchiarola, Giacomo Dal Fabbro, Stefano Zaffagnini
BACKGROUND: The lateral femoral notch sign (LNS) is a bony impression on the lateral femoral condyle correlated with anterior cruciate ligament (ACL) injury. Its presence is associated with lateral meniscal injury and higher cartilage degradation on the lateral femoral condyle. PURPOSE/HYPOTHESIS: The purpose was to investigate the effect of the presence and magnitude of LNS on rotatory instability. The hypothesis was that a positive LNS is correlated with a high-grade pivot shift (PS)...
January 15, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33449798/outcomes-more-than-2-years-after-meniscal-repair-for-longitudinal-tears-of-the-lateral-meniscus-combined-with-anterior-cruciate-ligament-reconstruction
#2
Akira Tsujii, Yasukazu Yonetani, Kazutaka Kinugasa, Tomohiko Matsuo, Kenji Yoneda, Tomoki Ohori, Takehito Hirose, Masayuki Hamada
BACKGROUND: Meniscal function after repair of longitudinal tears of the lateral meniscus (LM) with anterior cruciate ligament reconstruction (ACLR) has not been comprehensively investigated. PURPOSE: To evaluate not only the clinical outcomes and radiographic findings of patients who underwent repair of longitudinal tears of the LM combined with ACLR but also the healing status of the repaired meniscus and changes in chondral status with second-look arthroscopy...
January 15, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33449797/outcomes-of-open-and-endoscopic-repairs-of-chronic-partial-and-full-thickness-proximal-hamstring-tendon-tears-a-multicenter-study-with-minimum-2-year-follow-up
#3
David R Maldonado, Shawn Annin, Ajay C Lall, Aaron J Krych, Alexander G Athey, Robert J Spinner, David E Hartigan, Benton A Emblom, Michael K Ryan, Benjamin G Domb
BACKGROUND: The preponderance of literature on the repair of proximal hamstring tendon tears focuses on the acute phase (<4 weeks). As such, there is a paucity of data reporting on the outcomes of chronic proximal hamstring tears. PURPOSE: To report minimum 2-year postoperative patient-reported outcome (PRO) scores, visual analog scale (VAS) for pain, and patient satisfaction from patients who underwent open or endoscopic repair of partial- and full-thickness chronic proximal hamstring tendon tears...
January 15, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33439041/long-term-outcome-after-nonoperative-treatment-for-rockwood-i-and-ii-acromioclavicular-joint-injuries
#4
Daniël E Verstift, Iris D Kilsdonk, Marieke F van Wier, Robert Haverlag, Michel P J van den Bekerom
BACKGROUND: Rockwood I and II acromioclavicular joint injuries are generally treated nonoperatively. The long-term outcome is considered to be good but has not yet been properly investigated. PURPOSE: To assess the long-term outcome after nonoperative therapy for Rockwood I and II acromioclavicular joint injuries regarding functional and radiologic outcome. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Eligible patients visited the emergency department between January 2003 and December 2015 and were ≥16 years old at the time of presentation...
January 13, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33439034/corrigendum-to-stem-cell-conditioned-medium-promotes-graft-remodeling-of-midsubstance-and-intratunnel-incorporation-after-anterior-cruciate-ligament-reconstruction-in-a-rat-model
#5
(no author information available yet)
No abstract text is available yet for this article.
January 13, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33433240/systematic-review-of-elbow-instability-in-association-with-refractory-lateral-epicondylitis-myth-or-fact
#6
Erica Kholinne, Hua Liu, Hyojune Kim, Jae-Man Kwak, Kyoung-Hwan Koh, In-Ho Jeon
BACKGROUND: Elbow instability, particularly posterolateral rotatory instability (PLRI), has been reported in patients with refractory lateral epicondylitis (LE). However, evidence of diagnostic approach and surgical outcomes is lacking. PURPOSE: To identify (1) the risk factors, clinical and radiologic-diagnostic characteristics, and (2) the treatment options and clinical outcome of LE with PLRI. STUDY DESIGN: Systematic review. METHODS: We searched the PubMed, Ovid/MEDLINE, Cochrane Library, Google Scholar, Scopus, and EMBASE databases using keywords as well as Medical Subject Headings terms and Emtree using "(lateral epicondylitis OR tennis elbow) AND (instability OR posterolateral rotatory instability)" for English-language studies...
January 12, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33428459/management-of-osteoarthritis-using-1-intra-articular-platelet-concentrate-administration-in-a-canine-osteoarthritis-model
#7
João Carlos Agostinho Alves, Ana Margarida Moniz Pereira Dos Santos, Patrícia Isabel Figueiredo Jorge, Catarina Falcão Trigoso Vieira Branco Lavrador, Luis Miguel Alves Carreira
BACKGROUND: Osteoarthritis (OA) represents a significant burden to societies, as it affects quality of life and performance and implies a large cost in terms of health care. Autologous platelets are a regenerative treatment modality for OA that are thought to be a potential stimulation of the natural healing cascade. PURPOSE: To describe the effect of the platelet concentrate V-PET in the management of OA in a naturally occurring canine model, using several outcome assessment modalities...
January 11, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33428447/retinoic-acid-receptor-agonists-suppress-muscle-fatty-infiltration-in-mice
#8
Hideyuki Shirasawa, Noboru Matsumura, Masaki Yoda, Kazumasa Okubo, Masayuki Shimoda, Akiyoshi Uezumi, Morio Matsumoto, Masaya Nakamura, Keisuke Horiuchi
BACKGROUND: The infiltration of fat tissue into skeletal muscle, a condition referred to as muscle fatty infiltration or fatty degeneration, is regarded as an irreversible event that significantly compromises the motor function of skeletal muscle. PURPOSE: To investigate the effect of retinoic acid receptor (RAR) agonists in suppressing the adipogenic differentiation of fibroadipogenic progenitors (FAPs) in vitro and fatty infiltration after rotator cuff tear in mice...
January 11, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33428427/osteochondral-allograft-transplant-for-focal-cartilage-defects-of-the-femoral-condyles-clinically-significant-outcomes-failures-and-survival-at-a-minimum-5-year-follow-up
#9
Ron Gilat, Eric D Haunschild, Hailey P Huddleston, Tracy M Tauro, Sumit Patel, Theodore S Wolfson, Kevin C Parvaresh, Adam B Yanke, Brian J Cole
BACKGROUND: Osteochondral allograft (OCA) transplant for symptomatic focal cartilage defects in the knee has demonstrated favorable short- to midterm outcomes. However, the reoperation rate is high, and literature on mid- to long-term outcomes is limited. PURPOSE: To analyze clinically significant outcomes (CSOs), failures, and graft survival rates after OCA transplant of the femoral condyles at a minimum 5-year follow-up. STUDY DESIGN: Case series; Level of evidence, 4...
January 11, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33427489/quantitative-3-t-magnetic-resonance-imaging-after-matrix-associated-autologous-chondrocyte-implantation-with-autologous-bone-grafting-of-the-knee-the-importance-of-subchondral-bone-parameters
#10
Matthias Jung, Dimitrios C Karampinos, Christian Holwein, Joachim Suchowierski, Thierno D Diallo, Alexandra S Gersing, Fabian Bamberg, Frederic A Baumann, Stefan Ruschke, Pia M Jungmann
BACKGROUND: Matrix-associated autologous chondrocyte implantation (MACI) with autologous bone grafting (ABG) is an effective surgical treatment for osteochondral defects. Quantitative magnetic resonance imaging (MRI) techniques are increasingly applied as noninvasive biomarkers to assess the biochemical composition of cartilage repair tissue. PURPOSE: To evaluate the association of quantitative MRI parameters of cartilage repair tissue and subchondral bone marrow with magnetic resonance morphologic and clinical outcomes after MACI with ABG of the knee...
January 11, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33417478/corrigendum-to-a-2-year-prospective-cohort-study-of-overuse-running-injuries-the-runners-and-injury-longitudinal-study-trails
#11
(no author information available yet)
No abstract text is available yet for this article.
January 8, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33411565/long-term-prospective-clinical-and-magnetic-resonance-imaging-based-evaluation-of-matrix-induced-autologous-chondrocyte-implantation
#12
Jay R Ebert, Michael Fallon, David J Wood, Gregory C Janes
BACKGROUND: Matrix-induced autologous chondrocyte implantation (MACI) has demonstrated encouraging midterm clinical outcomes, although published studies presenting longer-term clinical and radiological outcomes, across varied tibiofemoral and patellofemoral graft locations, are scarce. PURPOSE: To present the clinical and radiological outcomes a minimum of 10 years after surgery in a consecutive series of patients who underwent MACI in the tibiofemoral or patellofemoral knee joint...
January 7, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33411564/contribution-of-multimodal-analgesia-to-postoperative-pain-outcomes-immediately-after-primary-anterior-cruciate-ligament-reconstruction-a-systematic-review-and-meta-analysis-of-level-1-randomized-clinical-trials
#13
Bhargavi Maheshwer, Derrick M Knapik, Evan M Polce, Nikhil N Verma, Robert F LaPrade, Jorge Chahla
BACKGROUND: Anterior cruciate ligament reconstruction (ACLR) is associated with moderate to severe pain in the immediate postoperative period. The optimal individual preemptive or intraoperative anesthetic modality on postoperative pain control is not well-known. PURPOSE: To systematically review and perform a meta-analysis comparing postoperative pain scores (visual analog scale [VAS]), opioid consumption, and incidence of complications during the first 24 hours after primary ACLR in patients receiving spinal anesthetic, adjunct regional nerve blocks, or local analgesics...
January 7, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33411563/distribution-of-bone-contusion-patterns-in-acute-noncontact-anterior-cruciate-ligament-torn-knees
#14
Sophia Y Kim-Wang, Melissa B Scribani, Michael B Whiteside, Louis E DeFrate, Tally E Lassiter, Jocelyn R Wittstein
BACKGROUND: Bone contusions are commonly observed on magnetic resonance imaging (MRI) in individuals who have sustained a noncontact anterior cruciate ligament (ACL) injury. Time from injury to image acquisition affects the ability to visualize these bone contusions, as contusions resolve with time. PURPOSE: To quantify the number of bone contusions and their locations (lateral tibial plateau [LTP], lateral femoral condyle [LFC], medial tibial plateau [MTP], and medial femoral condyle [MFC]) observed on MRI scans of noncontact ACL-injured knees acquired within 6 weeks of injury...
January 7, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33406371/vancomycin-wrap-for-anterior-cruciate-ligament-surgery-molecular-insights
#15
Caroline M Atherton, Simon J Spencer, Katy McCall, Emma Garcia-Melchor, William J Leach, Michael Mullen, Brian P Rooney, Colin Walker, Iain B McInnes, Neal L Millar, Moeed Akbar
BACKGROUND: The use of the vancomycin wrap to pretreat the hamstring graft in anterior cruciate ligament reconstruction (ACLR) has grown in popularity since it was first described in 2012 and has significantly reduced rates of postoperative infection. However, it remains unknown if this antibiotic treatment affects the molecular composition of the graft. PURPOSE: To establish whether treatment with vancomycin at 5 mg/mL, the most commonly used concentration, alters the molecular function of the hamstring graft in ACLR...
January 6, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33405942/development-of-a-predictive-algorithm-for-symptomatic-hip-abductor-tears-in-patients-undergoing-primary-hip-arthroscopy
#16
Philip J Rosinsky, Samantha C Diulus, John P Walsh, Mitchell B Meghpara, Jacob Shapira, David R Maldonado, Ajay C Lall, Cynthia Kyin, Benjamin G Domb
BACKGROUND: Patients presenting with lateral hip pain may pose a difficult diagnostic challenge, as pain can be due to various causes. PURPOSE/HYPOTHESIS: The purpose was to identify risk factors and predictors for symptomatic hip abductor tears in a cohort of patients undergoing primary hip arthroscopy for femoroacetabular impingement syndrome. We hypothesized that body mass index (BMI), female sex, age, and presence of chondral damage would be significant predictors of hip abductor pathologies...
January 6, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33400547/outcomes-after-arthroscopic-surgery-for-anterior-impingement-in-the-ankle-joint-in-the-general-and-athletic-populations-does-sex-play-a-role
#17
Arianna L Gianakos, Axel Ivander, Christopher W DiGiovanni, John G Kennedy
BACKGROUND: Although anterior ankle impingement is a common pathology within the athletic population, there have been limited data evaluating outcomes of arthroscopic intervention and whether patient sex affects treatment outcomes. PURPOSE: To provide an overview of the clinical outcomes of arthroscopic procedures used as a treatment strategy for anterior ankle impingement and to determine if patient sex affects outcomes. STUDY DESIGN: Systematic review...
January 5, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33395319/patient-reported-activity-levels-correlate-with-early-cartilage-degeneration-after-anterior-cruciate-ligament-reconstruction
#18
James M Friedman, Favian Su, Alan L Zhang, Christina R Allen, Brian T Feeley, Richard Souza, Xiaojuan Li, C Benjamin Ma, Drew A Lansdown
BACKGROUND: The association between activity level after anterior cruciate ligament (ACL) reconstruction (ACLR) and development of posttraumatic osteoarthritis (PTOA) remains unclear. This study investigated the relationship of patient-reported outcomes and progressive cartilage degenerative changes at 3 years after ACLR. HYPOTHESIS: Higher activity levels, as measured by Marx scores, are significantly correlated with early cartilage degeneration after ACLR. STUDY DESIGN: Cohort study; Level of evidence, 2...
January 4, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33395318/effects-of-anxiety-and-depression-measured-via-the-hospital-anxiety-and-depression-scale-on-early-pain-and-range-of-motion-after-rotator-cuff-repair
#19
Joo Hyun Park, Sung-Min Rhee, Hyong Suk Kim, Joo Han Oh
BACKGROUND: Preoperative anxiety and depression are independent predictors of clinical outcomes after arthroscopic rotator cuff repair. However, few studies have evaluated correlations between outcomes such as pain and range of motion (ROM) after arthroscopic rotator cuff repair and preoperative anxiety and depression. PURPOSE: To evaluate the effects of preoperative anxiety and depression, measured using the Hospital Anxiety and Depression Scale (HADS), on early pain and ROM after rotator cuff repair...
January 4, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33395317/comparison-of-different-fixation-techniques-of-the-long-head-of-the-biceps-tendon-in-superior-capsule-reconstruction-for-irreparable-posterosuperior-rotator-cuff-tears-a-dynamic-biomechanical-evaluation
#20
Daniel P Berthold, Lukas N Muench, Felix Dyrna, Bastian Scheiderer, Elifho Obopilwe, Mark P Cote, Michael R Krifter, Guiseppe Milano, Ryan Bell, Andreas Voss, Andreas B Imhoff, Augustus D Mazzocca, Knut Beitzel
BACKGROUND: In the past decade, superior capsular reconstruction has emerged as a potential surgical approach in young patients with irreparable posterosuperior rotator cuff tears (RCT) and absence of severe degenerative changes. Recently, the use of locally available and biological viable autografts, such as the long head of the biceps tendon (LHBT) for SCR has emerged, with promising early results. PURPOSE/HYPOTHESIS: The purpose of this study was to investigate the effect of using the LHBT for reconstruction of the superior capsule on shoulder kinematics, along with different fixation constructs in a dynamic biomechanical model...
January 4, 2021: American Journal of Sports Medicine
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