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American Journal of Sports Medicine

https://read.qxmd.com/read/33831332/treating-knee-osteoarthritis-with-platelet-rich-plasma-and-hyaluronic-acid-combination-therapy-a-systematic-review
#1
Michael R Baria, W Kelton Vasileff, James Borchers, Alex DiBartola, David C Flanigan, Evan Plunkett, Robert A Magnussen
BACKGROUND: Platelet-rich plasma (PRP) and hyaluronic acid (HA) are injectable treatments for knee osteoarthritis. The focus of previous studies has compared their efficacy against each other as monotherapy. However, a new trend of combining these 2 injections has emerged in an attempt to have a synergistic effect. PURPOSE: To systematically review the clinical literature examining the combined use of PRP + HA. DESIGN: Systematic review. METHODS: A systematic review was performed according to the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines using PubMed and Embase...
April 8, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33831318/overlapping-allografts-provide-superior-and-more-reliable-surface-topography-matching-than-oblong-allografts-a-computer-simulated-model-study
#2
Hailey P Huddleston, Atsushi Urita, William M Cregar, Theodore M Wolfson, Brian J Cole, Nozomu Inoue, Adam B Yanke
BACKGROUND: Osteochondral allograft transplantation is 1 treatment option for focal articular cartilage defects of the knee. Large irregular defects, which can be treated using an oblong allograft or multiple overlapping allografts, increase the procedure's technical complexity and may provide suboptimal cartilage and subchondral surface matching between donor grafts and recipient sites. PURPOSE: To quantify and compare cartilage and subchondral surface topography mismatch and cartilage step-off for oblong and overlapping allografts using a 3-dimensional simulation model...
April 8, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33830839/ulnar-collateral-ligament-laxity-after-repetitive-pitching-associated-factors-in-high-school-baseball-pitchers
#3
Hiroshi Hattori, Kiyokazu Akasaka, Takahiro Otsudo, Toby Hall, Katsunobu Sakaguchi, Yomei Tachibana
BACKGROUND: Medial elbow injury is common in baseball pitchers, with evidence of elbow valgus instability after only 60 consecutive pitches. However, the tissue-specific effects of repetitive pitching on medial elbow stabilizers are largely unknown. PURPOSE/HYPOTHESIS: This study aimed to investigate changes in the ulnar collateral ligament (UCL) and forearm flexor-pronator muscles (FPMs) during repetitive pitching and factors that relate to identified change. We hypothesized that repetitive pitching would increase elasticity of the medial elbow stabilizers and therefore induce laxity...
April 8, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33830836/effect-of-tibial-tunnel-placement-using-the-lateral-meniscus-as-a-landmark-on-clinical-outcomes-of-anatomic-single-bundle-anterior-cruciate-ligament-reconstruction
#4
Kadir Büyükdoğan, Michael S Laidlaw, Michael A Fox, Michelle E Kew, Mark D Miller
BACKGROUND: It remains unclear if use of the lateral meniscus anterior horn (LMAH) as a landmark will produce consistent tunnel positions in the anteroposterior (AP) distance across the tibial plateau. PURPOSE: To evaluate the AP location of anterior cruciate ligament (ACL) reconstruction tibial tunnels utilizing the LMAH as an intra-articular landmark and to examine how tunnel placement affects knee stability and clinical outcomes. STUDY DESIGN: Cohort study; Level of evidence, 3...
April 8, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33830821/effect-of-anterior-cruciate-ligament-rupture-on-physical-activity-sports-participation-patient-reported-health-outcomes-and-physical-function-in-young-female-athletes
#5
Allison M Ezzat, Mariana Brussoni, Louise C Mâsse, Carolyn A Emery
BACKGROUND: Return to sports (RTS) is frequently considered an indicator of successful recovery after anterior cruciate ligament reconstruction (ACLR). However, despite the well-recognized health benefits of physical activity (PA), little is known about objectively measured PA in the 1 to 2 years after ACLR. Given that young female athletes have a high prevalence of ACLR and lower RTS rates as compared with their male counterparts, an in-depth examination of PA in this subgroup is warranted...
April 8, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33830790/short-term-bone-fusion-with-arthroscopic-double-button-latarjet-versus-open-screw-latarjet
#6
Nicolas Bonnevialle, Mathieu Girard, Yoann Dalmas, Vincent Martinel, Marie Faruch, Pierre Mansat
BACKGROUND: Recently, arthroscopic double-button Latarjet (AL) has provided an alternative to conventional open Latarjet (OL) in the treatment of anterior shoulder instability with glenoid bone loss. Therefore, theoretically, the faster fusion is obtained, the sooner return to sports under safe conditions can occur. The emerging flexible fixation of the bone block has clearly offered a new approach to achieve bone fusion. However, the period required to achieve this goal remains controversial...
April 8, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33797997/effect-of-high-tibial-osteotomy-on-the-distribution-of-subchondral-bone-density-across-the-proximal-tibial-articular-surface-of-the-knee-with-medial-compartment-osteoarthritis
#7
Koji Iwasaki, Eiji Kondo, Shinji Matsubara, Masatake Matsuoka, Kaori Endo, Isao Yokota, Tomohiro Onodera, Norimasa Iwasaki
BACKGROUND: The effect of high tibial osteotomy (HTO) on the stress distribution across the knee joint is not completely understood. Subchondral bone density is considered to reflect the pattern of stress distribution across a joint surface. PURPOSE: To assess the distribution of subchondral bone density across the proximal tibia in nonarthritic knees and in the knees of patients with osteoarthritis (OA) before and after HTO. STUDY DESIGN: Cohort study; Level of evidence, 3...
April 2, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33797979/clinical-outcome-of-a-modified-coracoid-tunnel-free-coracoclavicular-sling-technique-with-remnant-preservation-for-the-treatment-of-high-grade-acromioclavicular-joint-separation-a-report-of-48-cases-with-2-to-5-years-of-follow-up-formula-see-text
#8
Fenglong Li, Yue Li, Yi Lu, Yiming Zhu, Chunyan Jiang
BACKGROUND: High-grade acromioclavicular (AC) joint separation injuries (Rockwood type IV or V) are surgically indicated because of complete disruption of the AC and coracoclavicular (CC) ligaments, leading to instability and pain. In surgical techniques that require a suspensory system, coracoid tunnel-related complications are not uncommon. PURPOSE: To report subjective and objective clinical outcomes and complication rates of a modified coracoid tunnel-free CC sling technique combined with CC ligament remnant preservation for a minimum 2-year follow-up...
April 2, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33797976/long-term-national-trends-of-arthroscopic-meniscal-repair-and-debridement
#9
Jory N Wasserburger, Christopher L Shultz, David A Hankins, Lucas Korcek, David F Martin, Annunziato Amendola, Dustin L Richter, Robert C Schenck, Gehron P Treme
BACKGROUND: Optimal treatment of meniscal pathology continues to evolve in orthopaedic surgery, with a growing understanding of which patients benefit from which procedure and which patients might be best treated nonsurgically. In 2002, Moseley et al found no difference between arthroscopic procedures, including meniscal debridement and sham surgery, in patients with osteoarthritis of the knee. This called into question the role of routine arthroscopic debridement in these patients. Additionally, an increased interest in understanding and maintaining the function of the meniscus has more recently resulted in a greater focus on meniscal preservation procedures...
April 2, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33793365/arthroscopic-repair-of-the-hip-abductor-musculotendinous-unit-the-effect-of-microfracture-on-clinical-outcomes
#10
Baris Kocaoglu, Ahmet Emre Paksoy, Simone Cerciello, Matthieu Ollivier, Romain Seil, Marc Safran
BACKGROUND: Endoscopic surgical repair has become a common procedure for treating patients with hip abductor tendon tears. Considering that retear rates are high after the repair of gluteus medius and minimus tendons, exploring alternative strategies to enhance structural healing is important. PURPOSE/HYPOTHESIS: The purpose of this study was to evaluate the effect of adding microfracture to single-row repair (SR) on outcomes after the surgical repair of gluteus medius and minimus tendons and compare with SR and double-row repair (DR) without microfracture...
April 1, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33793351/the-fate-of-bone-marrow-lesions-after-open-wedge-high-tibial-osteotomy-a-comparison-between-knees-with-primary-osteoarthritis-and-subchondral-insufficiency-fractures
#11
Han Gyeol Choi, Joo Sung Kim, Hyun Jin Yoo, You Sun Jung, Yong Seuk Lee
BACKGROUND: Subchondral insufficiency fracture of the knee (SIFK) is characterized by a subchondral lesion that may lead to end-stage osteoarthritis (OA). In patients who have SIFK in a precollapse state with varus malalignment, a joint-preserving technique such as open wedge high tibial osteotomy (OWHTO) should be considered. PURPOSE: To evaluate the efficacy of OWHTO in primary OA and SIFK-dominant OA by clinical and radiological evaluations including magnetic resonance imaging (MRI)...
April 1, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33787363/identification-of-candidate-synovial-fluid-biomarkers-for-the-prediction-of-patient-outcome-after-microfracture-or-osteotomy
#12
Charlotte H Hulme, Mandy J Peffers, Gabriel Mateus Bernardo Harrington, Emma Wilson, Jade Perry, Sally Roberts, Pete Gallacher, Paul Jermin, Karina T Wright
BACKGROUND: Biomarkers are needed to predict clinical outcomes for microfracture and osteotomy surgeries to ensure patients can be better stratified to receive the most appropriate treatment. PURPOSE: To identify novel biomarker candidates and to investigate the potential of a panel of protein biomarkers for the prediction of clinical outcome after treatment with microfracture or osteotomy. STUDY DESIGN: Descriptive laboratory study. METHODS: To identify novel candidate biomarker proteins, we used label-free quantitation after liquid chromatography-tandem mass spectrometry of dynamic range-compressed synovial fluids (SFs) from individuals who responded excellently or poorly (based on change in Lysholm score) to microfracture (n = 6) or osteotomy (n = 7)...
March 31, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33783229/treatment-of-acute-achilles-tendon-ruptures-a-systematic-review-and-meta-analysis-of-complication-rates-with-best-and-worst-case-analyses-for-rerupture-rates
#13
Dexter Seow, Youichi Yasui, James D F Calder, John G Kennedy, Christopher J Pearce
BACKGROUND: An acute Achilles tendon rupture (AATR) is a common injury. The controversy that has surrounded the optimal treatment options for AATRs warrants an updated meta-analysis that is comprehensive, accounts for loss to follow-up, and utilizes the now greater number of available studies for data pooling. PURPOSE: To meta-analyze the rates of all complications after the treatment of AATRs with a "best-case scenario" and "worst-case scenario" analysis for rerupture rates that assumes that all patients lost to follow-up did not or did experience a rerupture, respectively...
March 30, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33783227/effect-of-autologous-expanded-bone-marrow-mesenchymal-stem-cells-or-leukocyte-poor-platelet-rich-plasma-in-chronic-patellar-tendinopathy-with-gap-3-mm-preliminary-outcomes-after-6-months-of-a-double-blind-randomized-prospective-study
#14
Gil Rodas, Robert Soler-Rich, Joan Rius-Tarruella, Xavier Alomar, Ramon Balius, Lluís Orozco, Lorenzo Masci, Nicola Maffulli
BACKGROUND: Patellar tendinopathy is common. The success of traditional management, including isometric or eccentric exercises combined with shockwave therapy and even surgery, is limited. Therefore, it is important to determine whether biological treatments such as ultrasound-guided intratendinous and peritendinous injections of autologous expanded bone marrow mesenchymal stem cells (BM-MSCs) or leukocyte-poor platelet-rich plasma (Lp-PRP) improve clinical outcomes in athletic patients with patellar tendinopathy...
March 30, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33780632/overuse-elbow-injuries-in-youth-gymnasts
#15
Nicholas A Bonazza, Eliana B Saltzman, Jocelyn R Wittstein, Marc J Richard, Whitney Kramer, Jonathan C Riboh
BACKGROUND: Gymnastics is a unique sport that places significant loads across the growing elbow, resulting in unique overuse injuries, some of which are poorly described in the current literature. PURPOSE: To provide a comprehensive review of the unique overuse elbow injuries seen in youth gymnasts and to provide an up-to-date synthesis of the available literature and clinical expertise guiding treatment decisions in this population. STUDY DESIGN: Narrative review...
March 29, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33780278/midterm-outcomes-of-posterior-medial-meniscus-root-tear-repair-a-systematic-review
#16
Peter S Chang, Logan Radtke, Patrick Ward, Robert H Brophy
BACKGROUND: Whereas there has been growing interest in surgical repair of posterior medial meniscus root tears (PMMRTs), our understanding of the medium- and long-term results of this procedure is still evolving. PURPOSE: To report midterm clinical outcomes from PMMRT repairs. STUDY DESIGN: Systematic review. METHODS: A literature review for this systematic analysis was performed in accordance with the PRISMA (Preferred Reporting Items for Systematic Reviews and Meta-Analyses) guidelines...
March 29, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33780270/histopathological-and-radiographic-features-of-osteolysis-after-fixation-of-osteochondral-fragments-using-poly-l-lactic-acid-pins-for-osteochondral-lesions-of-the-talus
#17
Yasunari Ikuta, Tomoyuki Nakasa, Junichi Sumii, Akinori Nekomoto, Nobuo Adachi
BACKGROUND: Fixation of osteochondral fragments is a potential option for treating an osteochondral lesion of the talus (OLT) involving large lesions in the remaining articular cartilage surface. Bioabsorbable devices, especially those made of poly-L-lactic acid (PLLA), can be used for the fixation of an OLT. Postoperative osteolysis surrounding the PLLA pins is occasionally observed; however, the significance of osteolysis remains unknown. PURPOSE: To elucidate the association between osteolysis surrounding the PLLA pins, histopathological findings in subchondral bone, and preoperative Hounsfield unit (HU) values at the pin fixation site...
March 29, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33769902/higher-incidence-of-radiographic-posttraumatic-osteoarthritis-with-transtibial-femoral-tunnel-positioning-compared-with-anteromedial-femoral-tunnel-positioning-during-anterior-cruciate-ligament-reconstruction-a-systematic-review-and-meta-analysis
#18
Mark E Cinque, Kyle N Kunze, Brady T Williams, Gilbert Moatshe, Robert F LaPrade, Jorge Chahla
BACKGROUND: Anteromedial (AM) femoral tunnel positioning in anterior cruciate ligament reconstruction (ACLR) has been reported by some authors to yield superior clinical and functional outcomes compared with the transtibial (TT) approach; however, differences in the subsequent rates of posttraumatic osteoarthritis (PTOA) are not clear. PURPOSE: To perform a systematic review and meta-analysis of the literature to evaluate the influence of femoral tunnel positioning during primary ACLR on the development of radiographic PTOA...
March 26, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33769895/food-and-drug-administration-s-position-on-commonly-injected-biologic-materials-in-orthopaedic-surgery
#19
William H Fang, C Thomas Vangsness
The use of biologically based therapies is becoming a popular less-invasive therapy for relieving pain and promoting tissue regeneration. The most commonly used biologics are autologous adipose-derived products, bone marrow aspirations, and platelet-rich plasma (PRP). Birth tissue is a common allogenic source of biologics, including umbilical cord, placental membranes, and amniotic fluid. Injected biologics, depending on the indication and how they are processed, formulated, delivered, and promoted, can be subject to different regulatory pathways...
March 26, 2021: American Journal of Sports Medicine
https://read.qxmd.com/read/33764802/risk-factors-for-septic-arthritis-after-anterior-cruciate-ligament-reconstruction-a-nationwide-analysis-of-26-014-acl-reconstructions
#20
Jesper Kraus Schmitz, Viktor Lindgren, Gunnar Edman, Per-Mats Janarv, Magnus Forssblad, Anders Stålman
BACKGROUND: Septic arthritis (SA) after anterior cruciate ligament reconstruction (ACLR) is a rare yet severe complication. The samples in previous studies have been small and without nationwide coverage, making analysis uncertain with a risk of bias. Conclusions to recommend preventive measures are therefore difficult to draw, and it has not been possible to perform a comprehensive risk factor analysis. PURPOSE: To study the incidence of SA after ACLR in a large, nationwide population and to study the risk factors for SA after ACLR...
March 25, 2021: American Journal of Sports Medicine
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