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American Journal of Sports Medicine

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https://read.qxmd.com/read/31100008/osteochondral-allograft-transplantation-of-the-femoral-condyle-utilizing-a-thin-plug-graft-technique
#1
Luís E P Tírico, Julie C McCauley, Pamela A Pulido, William D Bugbee
BACKGROUND: Previous studies showed clinical benefit and durable results of osteochondral allograft (OCA) transplantation for the treatment of femoral condyle lesions. However, the majority of these studies are difficult to interpret owing to the mixed results of different techniques and anatomic locations. PURPOSE: To evaluate the outcome of OCA transplantation with thin plug grafts for treatment of isolated femoral condyle osteochondral lesions. STUDY DESIGN: Case series; Level of evidence, 4...
May 17, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31100005/single-cell-profiles-and-clinically-useful-properties-of-human-mesenchymal-stem-cells-of-adipose-and-bone-marrow-origin
#2
Wenyan Zhou, Junxin Lin, Kun Zhao, Kaixiu Jin, Qiulin He, Yejun Hu, Gang Feng, Youzhi Cai, Chen Xia, Hua Liu, Weiliang Shen, Xueqing Hu, Hongwei Ouyang
BACKGROUND: Mesenchymal stem cells (MSCs) can be isolated from various tissues and can present themselves as a promising cell source for cell-based therapies. Although adipose- and bone marrow-derived mesenchymal stem cells have already been used in a considerable number of clinical trials for osteoarthritis treatment, systematic analyses from single- to bulk-cell resolution as well as clinical outcomes of these 2 MSCs are still insufficient. PURPOSE: To explore the characteristics and differences of adipose-derived stem cells (ADSCs) and bone marrow MSCs (BMSCs) at single- and bulk-cell levels, to study the clinical outcomes of these 2 cells on the treatment of osteoarthritis, and to provide potential guidance on the more precise clinical application of these MSCs...
May 17, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31095417/activity-modification-and-load-management-of-adolescents-with-patellofemoral-pain-a-prospective-intervention-study-including-151-adolescents
#3
Michael Skovdal Rathleff, Thomas Graven-Nielsen, Per Hölmich, Lukasz Winiarski, Kasper Krommes, Sinéad Holden, Kristian Thorborg
BACKGROUND: Patellofemoral pain (PFP) affects 7% of adolescents, especially those who are highly active. Exercise-focused treatments show limited effect and overlook activity modification and load management. As many adolescents continue at high levels of sports despite pain, a new strategy addressing this problem is warranted. PURPOSE: To investigate the effects of a treatment strategy for adolescents that focuses on activity modification and load management. STUDY DESIGN: Cohort study; Level of evidence, 2...
May 16, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31095404/allograft-augmentation-of-hamstring-anterior-cruciate-ligament-autografts-is-associated-with-increased-graft-failure-in-children-and-adolescents
#4
Crystal A Perkins, Michael T Busch, Melissa Christino, Mackenzie M Herzog, S Clifton Willimon
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction in adolescents is commonly performed with hamstring tendon autografts. Small graft diameter is one risk factor for graft failure and options to upsize the autologous hamstring graft include allograft augmentation and tripling one or both of the hamstring tendons. PURPOSE: To evaluate the association of upsized hamstring graft constructs and graft rupture after ACL reconstruction. STUDY DESIGN: Cohort study; Level of evidence, 3...
May 16, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31095402/long-term-clinical-outcomes-of-one-stage-cartilage-repair-in-the-knee-with-hyaluronic-acid-based-scaffold-embedded-with-mesenchymal-stem-cells-sourced-from-bone-marrow-aspirate-concentrate
#5
Alberto Gobbi, Graeme P Whyte
BACKGROUND: Cell-based cartilage repair performed as a single-stage procedure is an important advancement in the treatment of full-thickness cartilage injury and has potential for widespread clinical use. PURPOSE: To investigate the long-term clinical outcomes of cartilage repair in the knee with a hyaluronic acid-based scaffold embedded with bone marrow aspirate concentrate (HA-BMAC) for the treatment of full-thickness cartilage injury. STUDY DESIGN: Case series; Level of evidence, 4...
May 16, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31095401/how-is-psychological-outcome-related-to-knee-function-and-return-to-sport-among-adolescent-athletes-after-anterior-cruciate-ligament-reconstruction
#6
Susanne Beischer, Eric Hamrin Senorski, Christoffer Thomeé, Kristian Samuelsson, Roland Thomeé
BACKGROUND: Adult patients who succeed in returning to their preinjury levels of sport after anterior cruciate ligament (ACL) reconstruction have been characterized by a more positive psychological response. It is not known whether this relationship is valid for adolescent athletes. PURPOSE: To investigate psychological readiness to return to sport, knee-related self-efficacy, and motivation among adolescent (15-20 years old) and adult (21-30 years old) athletes after ACL reconstruction...
May 16, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31091140/is-microfracture-necessary-acetabular-chondrolabral-debridement-abrasion-demonstrates-similar-outcomes-and-survival-to-microfracture-in-hip-arthroscopy-a-multicenter-analysis
#7
Mario Hevesi, Christopher Bernard, David E Hartigan, Bruce A Levy, Benjamin G Domb, Aaron J Krych
BACKGROUND: Hip arthroscopy is becoming more advanced and commonly performed. However, significant controversy exists regarding whether high-grade acetabular cartilage lesions should be treated with debridement/abrasion or microfracture. In addition, patients treated with microfracture are subject to extended protected weightbearing rehabilitation to mitigate risk of subchondral plate fracture and to protect fibrocartilage tissue formation. PURPOSE: To determine the midterm patient-reported outcomes and failure rate of patients with grade 3 and 4 acetabular labrum articular disruption (ALAD) lesions managed with debridement/abrasion or microfracture...
May 15, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31091129/utilization-of-transtibial-centralization-suture-best-minimizes-extrusion-and-restores-tibiofemoral-contact-mechanics-for-anatomic-medial-meniscal-root-repairs-in-a-cadaveric-model
#8
Blake T Daney, Zachary S Aman, Joseph J Krob, Hunter W Storaci, Alex W Brady, Gilberto Nakama, Grant J Dornan, Matthew T Provencher, Robert F LaPrade
BACKGROUND: Although posterior medial meniscal root (PMMR) repairs are often successful, postoperative meniscal extrusion after a root repair has been identified as a potential clinical problem. PURPOSE/HYPOTHESIS: The purpose was to quantitatively evaluate the tibiofemoral contact mechanics and extent of meniscal extrusion after a PMMR repair. It was hypothesized that the addition of a centralization suture (into the posterior medial tibial plateau) would help restore normal joint load-bearing characteristics and restore the native amount of meniscal extrusion after a root tear...
May 15, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31091114/properties-and-function-of-the-medial-patellofemoral-ligament-a-systematic-review
#9
Christian Huber, Qiang Zhang, William R Taylor, Andrew A Amis, Colin Smith, Seyyed Hamed Hosseini Nasab
BACKGROUND: As the main passive structure preventing patellar lateral subluxation, accurate knowledge of the anatomy, material properties, and functional behavior of the medial patellofemoral ligament (MPFL) is critical for improving its reconstruction. PURPOSE: To provide a state-of-the-art understanding of the properties and function of the MPFL by undertaking a systematic review and statistical analysis of the literature. STUDY DESIGN: Systematic review...
May 15, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31084492/playing-performance-after-anterior-cruciate-ligament-reconstruction-among-australian-football-league-players-from-1999-to-2013
#10
Courtney C H Lai, Julian A Feller, Kate E Webster
BACKGROUND: Achieving preinjury levels of athletic performance has been challenging for elite athletes after anterior cruciate ligament (ACL) reconstruction. Although a recent study found that 77% of Australian Football League (AFL) players who underwent ACL reconstruction from 1999 to 2013 returned to play at the highest level, the study did not indicate how consistently or well they were able to play. PURPOSE: To identify the number of AFL players who returned to play consistently over 2 seasons after ACL reconstruction, compare their playing performance in these seasons with preinjury performance, and evaluate factors associated with returning to preinjury levels of performance...
May 14, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31084491/autologous-matrix-induced-chondrogenesis-for-osteochondral-lesions-of-the-talus-a-clinical-and-radiological-2-to-8-year-follow-up-study
#11
Lizzy Weigelt, Rebecca Hartmann, Christian Pfirrmann, Norman Espinosa, Stephan H Wirth
BACKGROUND: Autologous matrix-induced chondrogenesis (AMIC) has become an interesting treatment option for osteochondral lesions of the talus (OLTs) with promising clinical short- to midterm results. PURPOSE: To investigate the clinical and radiological outcome of the AMIC procedure for OLTs, extending the follow-up to 8 years. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: Thirty-three patients (mean age, 35...
May 14, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31084490/posterior-labral-repairs-of-the-shoulder-among-baseball-players-results-and-outcomes-with-minimum-2-year-follow-up
#12
James S Kercher, Robert P Runner, Timothy P McCarthy, Xavier A Duralde
BACKGROUND: There is a paucity of information regarding the treatment of posterior labral tears of the shoulder for baseball players. Reports regarding treatment and postoperative outcomes are more limited than its anterior and superior counterparts. PURPOSE: To evaluate the clinical presentation, surgical findings, postoperative outcomes, and rate of return to sport after arthroscopic repair of posterior labral injuries of the shoulder among baseball players. STUDY DESIGN: Case series; Level of evidence, 4...
May 14, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31084488/is-it-safe-to-inject-corticosteroids-into-the-glenohumeral-joint-after-arthroscopic-rotator-cuff-repair
#13
Yang-Soo Kim, Hong-Ki Jin, Hyo-Jin Lee, Hyung-Lae Cho, Wan-Seok Lee, Hyuk-Jin Jang
BACKGROUND: Injection of intra-articular corticosteroids is effective for improving the recovery of range of motion (ROM) and pain in various conditions of the shoulder but its use is limited after rotator cuff repair owing to concern over the possible harmful effects of steroids on the repaired tendon. PURPOSE: To evaluate the effect of intra-articular corticosteroid injections on the clinical outcomes and cuff integrity of patients after rotator cuff repair. STUDY DESIGN: Randomized controlled trial; Level of evidence, 1...
May 14, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31082325/comparative-effectiveness-of-cartilage-repair-with-respect-to-the-minimal-clinically-important-difference
#14
Kristofer J Jones, Benjamin V Kelley, Armin Arshi, David R McAllister, Peter D Fabricant
BACKGROUND: Recent studies demonstrated a 5% increase in cartilage repair procedures annually in the United States. There is currently no consensus regarding a superior technique, nor has there been a comprehensive evaluation of postoperative clinical outcomes with respect to a minimal clinically important difference (MCID). PURPOSE: To determine the proportion of available cartilage repair studies that meet or exceed MCID values for clinical outcomes improvement over short-, mid-, and long-term follow-up...
May 13, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31072116/analysis-of-defect-size-and-ratio-to-condylar-size-with-respect-to-outcomes-after-isolated-osteochondral-allograft-transplantation
#15
Simon Lee, Rachel M Frank, David R Christian, Brian J Cole
BACKGROUND: Osteochondral allograft transplantation (OCA) is a successful knee joint preservation technique; however, the effects of defect size and defect size:condyle ratio (DSCR) are poorly understood. PURPOSE: To quantify clinical outcomes of isolated OCA of the knee based on defect size and DSCR. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Data from patients who underwent OCA of the knee without major concomitant procedures by a single surgeon were analyzed at a minimum follow-up of 2 years...
May 9, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31070936/the-medial-patellofemoral-ligament-is-a-dynamic-and-anisometric-structure-an-in-vivo-study-on-length-changes-and-isometry
#16
Willem A Kernkamp, Cong Wang, Changzou Li, Hai Hu, Ewoud R A van Arkel, Rob G H H Nelissen, Robert F LaPrade, Samuel K van de Velde, Tsung-Yuan Tsai
BACKGROUND: Medial patellofemoral ligament (MPFL) reconstruction is associated with a high rate of complications, including recurrent instability and persistent knee pain. Technical errors are among the primary causes of these complications. Understanding the effect of adjusting patellofemoral attachments on length change patterns may help surgeons to optimize graft placement during MPFL reconstruction and to reduce graft failure rates. PURPOSE: To determine the in vivo length changes of the MPFL during dynamic, weightbearing motion and to map the isometry of the 3-dimensional wrapping paths from various attachments on the medial femoral epicondyle to the patella...
May 9, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31063706/age-at-time-of-surgery-but-not-sex-is-related-to-outcomes-after-medial-patellofemoral-ligament-reconstruction
#17
Laurie A Hiemstra, Sarah Kerslake
BACKGROUND: Medial patellofemoral ligament (MPFL) reconstruction has become a well-accepted procedure for recurrent patellofemoral instability. Despite a growing volume of research assessing surgical results, the relationship of age and sex to outcomes after MPFL reconstruction surgery is unclear. PURPOSE: To investigate whether age at the time of surgery or sex influenced patient-reported quality of life and clinical outcome after MPFL reconstruction for recurrent lateral patellofemoral instability...
May 7, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31063403/hop-testing-lacks-strong-association-with-key-outcome-variables-after-primary-anterior-cruciate-ligament-reconstruction-a-systematic-review
#18
Justin M Losciale, Garrett Bullock, Christina Cromwell, Leila Ledbetter, Laura Pietrosimone, Timothy C Sell
BACKGROUND: Single-legged hop tests are commonly used assessments in return to sport (RTS) testing after anterior cruciate ligament reconstruction (ACLR). Although these tests are commonly used, their predictive validity has not yet been established. PURPOSE: To determine the strength of association between hop testing and RTS, knee reinjury, subjective report of knee function, and posttraumatic knee osteoarthritis (PTOA) after primary ACLR. Secondarily, to determine whether hop testing is able to predict a favorable result on the same outcome variables...
May 7, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31038992/repair-of-rotator-cuff-tears-in-the-elderly-does-it-make-sense-a-systematic-review
#19
Burak Altintas, Nicole L Anderson, Rafael Pitta, Patrick S Buckley, Sanjeev Bhatia, Matthew T Provencher, Peter J Millett
BACKGROUND: The indications and outcomes for rotator cuff repair (RCR) among patients ≥70 years old are not widely reported. Many active patients in this age range desire a joint-preserving option, and several small series reported successful clinical outcomes after RCR among patients aged ≥70 years. PURPOSE: The purpose of this study was to systematically review the literature on the outcomes of RCR among patients ≥70 years old. STUDY DESIGN: Systematic review; Level of evidence, 4...
April 30, 2019: American Journal of Sports Medicine
https://read.qxmd.com/read/31038990/a-practical-guide-for-the-current-use-of-biologic-therapies-in-sports-medicine
#20
Joseph D Lamplot, Scott A Rodeo, Robert H Brophy
Over the past decade, there has been an increased interest in the use of biologic therapies in sports medicine. Although these technologies are in relatively early stages of development, there have been substantial increases in marketing, patient demand, and clinical utilization of biologics, including platelet-rich plasma, bone marrow aspirate concentrate, and other cell-derived therapies. Direct-to-consumer marketing of biologics has also proliferated but is largely unregulated, and clinicians must accurately convey the safety and efficacy profiles of these therapies to patients...
April 30, 2019: American Journal of Sports Medicine
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