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https://www.readbyqxmd.com/read/28806096/results-of-anterior-cruciate-ligament-reconstruction-with-patellar-tendon-autografts-objective-factors-associated-with-the-development-of-osteoarthritis-at-20-to-33-years-after-surgery
#1
K Donald Shelbourne, Rodney W Benner, Tinker Gray
BACKGROUND: Few studies exist that report objective radiographic and physical examination results at >20 years after anterior cruciate ligament (ACL) reconstruction. HYPOTHESIS: The risk of osteoarthritis (OA) at >20 years after surgery would be statistically significantly higher if an increased severity of factors was present. STUDY DESIGN: Cohort study; Level of evidence, 2. METHODS: Between 1982 and 1994, 1428 knees met the inclusion criteria of being primary ACL surgery, having no existing OA or other ligamentous laxity, and having no known graft tear...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28804728/relationships-of-muscle-function-and-subjective-knee-function-in-patients-after-acl-reconstruction
#2
Stephan Bodkin, John Goetschius, Jay Hertel, Joe Hart
BACKGROUND: After anterior cruciate ligament reconstruction (ACLR), relationships between objective measures of muscle function and patient-reported outcomes may change over time. Examining these measures at different time frames after surgery may help develop individualized approaches to improve post-ALCR analysis. PURPOSE: To examine the associations between subjective knee function and lower-extremity muscle function in individual patients at various time points after ACLR...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28803035/bone-tunnel-change-develops-within-two-weeks-of-double-bundle-anterior-cruciate-ligament-reconstruction-using-hamstring-autograft-a-comparison-of-different-postoperative-immobilization-periods-using-computed-tomography
#3
Ryo Shimizu, Nobuo Adachi, Minoru Ishifuro, Atsuo Nakamae, Masakazu Ishikawa, Masataka Deie, Mitsuo Ochi
BACKGROUND: The purpose of this study was to evaluate bone tunnel changes following anterior cruciate ligament (ACL) reconstruction during the early postoperative period using computed tomography (CT), and to understand the impact of postoperative immobilization on these changes. METHODS: Twenty patients who underwent double-bundle ACL reconstruction using hamstring tendon autografts were included. We subcategorized patients into two groups: patients who underwent isolated ACL reconstruction and had three days of knee immobilization (Group A, n=10); and patients with concomitant meniscus injuries who underwent ACL reconstruction and meniscus repair simultaneously (Group B, n=10) had their knees immobilized for two weeks after surgery...
August 9, 2017: Knee
https://www.readbyqxmd.com/read/28802422/management-of-neglected-acl-avulsion-fractures-a-case-series-and-systematic-review
#4
D K Chouhan, M S Dhillon, R John, A Khurana
INTRODUCTION: Neglected tibial eminence avulsion fractures of the anterior cruciate ligament (ACL) are uncommonly seen in modern times, but are fairly common due to a missed diagnosis/mismanagement in developing countries. OBJECTIVES: To determine the outcomes after open reduction and internal fixation of late presenting ACL avulsion fractures, and to review the literature for similar cases, in an attempt to evaluate the ideal surgical management in this unique scenario...
August 2017: Injury
https://www.readbyqxmd.com/read/28800919/similar-outcomes-after-osteochondral-allograft-transplantation-in-anterior-cruciate-ligament-intact-and-reconstructed-knees-a-comparative-matched-group-analysis-with-minimum-2-year-follow-up
#5
Dean Wang, Claire D Eliasburg, Tim Wang, Ryan R Fader, Francesca R Coxe, Mollyann D Pais, Riley J Williams
PURPOSE: To compare failure rates and clinical outcomes of osteochondral allograft transplantation (OCA) in anterior cruciate ligament (ACL)-intact versus ACL-reconstructed knees at midterm follow-up. METHODS: After a priori power analysis, a prospective registry of patients treated with OCA for focal chondral lesions ≥2 cm(2) in size with minimum 2-year follow-up was used to match ACL-reconstructed knees with ACL-intact knees by age, sex, and primary chondral defect location...
August 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28800303/does-gender-make-a-difference-in-knee-rotation-proprioception-and-range-of-motion-in-healthy-subjects
#6
Qassim I Muaidi
BACKGROUND: Knee proprioception is an integral component of neuromuscular control system that stabilizes the joints, reducing incidence of injury. Knee injuries' incidences differ between genders. Knee rotation is a component of different knee injury mechanisms. Gender differences in knee proprioception in internal (IR) and external (ER) rotations are not sufficiently studied. OBJECTIVE: To check whether proprioceptive acuity in IR and ER directions of knee rotation is inherently lower in women compared to men...
August 1, 2017: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/28800252/progressive-changes-in-walking-kinematics-and-kinetics-after-anterior-cruciate-ligament-injury-and-reconstruction-a-review-and-meta-analysis
#7
Lindsay V Slater, Joseph M Hart, Adam R Kelly, Christopher M Kuenze
CONTEXT:   Anterior cruciate ligament (ACL) injury and ACL reconstruction (ACLR) result in persistent alterations in lower extremity movement patterns. The progression of lower extremity biomechanics from the time of injury has not been described. OBJECTIVE:   To compare the 3-dimensional (3D) lower extremity kinematics and kinetics of walking among individuals with ACL deficiency (ACLD), individuals with ACLR, and healthy control participants from 3 to 64 months after ACLR...
August 11, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28797872/the-diameter-of-single-bundle-hamstring-autograft-does-not-significantly-influence-revision-rate-or-clinical-outcomes-after-anterior-cruciate-ligament-reconstruction
#8
Gregory C Wernecke, Alex Constantinidis, Ian A Harris, Bradley G Seeto, Darren B Chen, Samuel J MacDessi
BACKGROUND: Anterior cruciate ligament (ACL) graft failure is a complication of ACL reconstruction (ALCR). Smaller autograft diameter may be a contributing factor. Our aim was to determine if hamstring autograft diameter influences graft rupture and patient-reported outcome scores. METHODS: This study included 786 consecutive patients undergoing primary, single bundle, autograft hamstring ACLR. The primary outcome was revision ACLR surgery. Secondary outcomes were patient reported International Knee Documentation Committee (IKDC) score, Knee Injury & Osteoarthritis Outcome Score (KOOS) and Tegner Activity score...
August 7, 2017: Knee
https://www.readbyqxmd.com/read/28797871/factors-affecting-knee-laxity-following-anterior-cruciate-ligament-reconstruction-using-a-hamstring-tendon
#9
Shinya Yanagisawa, Masashi Kimura, Keiichi Hagiwara, Atsuko Ogoshi, Tomoyuki Nakagawa, Hiroyuki Shiozawa, Takashi Ohsawa
BACKGROUND: The aim of the present study was to investigate the correlation between the pre-operative and intraoperative factors that predict postoperative knee laxity following anterior cruciate ligament (ACL) reconstruction using a hamstring tendon. METHODS: The subjects included 108 patients (male, n=49; female, n=59) with ACL-deficient knees who had undergone double-bundle reconstruction. The median time between injury and surgery (TBIS) was 27.5weeks (range one to 504)...
August 7, 2017: Knee
https://www.readbyqxmd.com/read/28795075/the-effect-of-menstrual-cycle-and-contraceptives-on-acl-injuries-and-laxity-a-systematic-review-and-meta-analysis
#10
REVIEW
Simone D Herzberg, Makalapua L Motu'apuaka, William Lambert, Rongwei Fu, Jacqueline Brady, Jeanne-Marie Guise
BACKGROUND: Women are at substantially greater risk for anterior cruciate ligament (ACL) injuries than are men. PURPOSE: To conduct a systematic review and meta-analysis of the literature to clarify the effect of the menstrual cycle and contraceptives on the laxity of and noncontact injuries to the ACL. STUDY DESIGN: Systematic review; Level of evidence, 4. METHODS: Searches were conducted using MEDLINE (1946-August 2016), the Cochrane Library Database, clinical trial registries, and related reference lists...
July 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28790406/the-diagnostic-accuracy-of-magnetic-resonance-imaging-for-anterior-cruciate-ligament-injury-in-comparison-to-arthroscopy-a-meta-analysis
#11
Kun Li, Jun Du, Li-Xin Huang, Li Ni, Tao Liu, Hui-Lin Yang
We performed this meta-analysis to examine the diagnostic accuracy of MRI for the diagnosis of anterior cruciate ligament (ACL) injury in comparison to arthroscopy. We also compared the diagnostic accuracy of MRI with magnetic field intensities (MFI) greater than or equal to 1.5T with those below 1.5T, in addition to different MRI sequences. Studies relevant to the diagnosis of ACL injury by MRI and arthroscopy were analyzed. Computer and manual retrieval were carried out on studies published between January 1, 2006 and May 31, 2016...
August 8, 2017: Scientific Reports
https://www.readbyqxmd.com/read/28789873/double-bundle-anterior-cruciate-ligament-reconstruction-with-and-without-remnant-preservation-comparison-of-early-postoperative-outcomes-and-complications
#12
Hiroshi Nakayama, Syunichiro Kambara, Tomoya Iseki, Ryo Kanto, Kenji Kurosaka, Shinichi Yoshiya
BACKGROUND: To compare the early postoperative outcomes and complications of double-bundle anterior cruciate ligament (ACL) reconstruction with and without remnant preservation. METHODS: The study population comprised 125 consecutive knees that underwent double-bundle ACL reconstruction using hamstring autograft. Among the 125 knees, remnant preservation was indicated for 50 knees, while standard double-bundle reconstruction was performed in the remaining 75 knees...
August 5, 2017: Knee
https://www.readbyqxmd.com/read/28783555/hamstring-and-calf-muscle-activation-as-a-function-of-bodyweight-support-during-treadmill-running-in-acl-reconstructed-athletes
#13
Clint Hansen, Einar Einarson, Athol Thomson, Rodney Whiteley, Erik Witvrouw
Rehabilitation after injury and reconstruction to the anterior cruciate ligament is thought to require a gradual reintroduction of loading, particularly during resumption of running. One strategy to achieve this is via the use of a reduced-gravity treadmill but it is unknown, if and how muscle activity varies in the reduced gravity conditions compared to regular treadmill running. Nineteen healthy participants and 18 male patients at the end of their rehabilitation (8 with a bone-patellar-bone graft, 10 with a hamstring graft) participated in this multi-muscle surface electromyography (sEMG) running study...
July 29, 2017: Gait & Posture
https://www.readbyqxmd.com/read/28777283/the-locations-of-anterior-cruciate-ligament-tears-in-pediatric-and-adolescent-patients-a-magnetic-resonance-study
#14
Jelle P van der List, Douglas N Mintz, Gregory S DiFelice
BACKGROUND: Recently, a resurgence of interest has been noted in anterior cruciate ligament (ACL) preservation in pediatric and adolescent patients. Different tear types, defined by their tear location, require different preservation techniques: proximal and distal avulsion tears can be treated with arthroscopic primary repair, whereas primary repair with biological scaffold has been proposed for midsubstance tears. The goal of this study was to assess the distribution of different tear types in pediatric and adolescent patients, as these are currently unknown...
August 2, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/28774468/knee-joint-kinematics-and-kinetics-during-the-hop-and-cut-after-soft-tissue-artifact-suppression-time-to-reconsider-acl-injury-mechanisms
#15
Kenneth B Smale, Brigitte M Potvin, Mohammad S Shourijeh, Daniel L Benoit
The recent development of a soft tissue artifact (STA) suppression method allows us to re-evaluate the tibiofemoral kinematics currently linked to non-contact knee injuries. The purpose of this study was therefore to evaluate knee joint kinematics and kinetics in six degrees of freedom (DoF) during the loading phases of a jump lunge and side cut using this in silico method. Thirty-five healthy adults completed these movements and their surface marker trajectories were then scaled and processed with OpenSim's inverse kinematics (IK) and inverse dynamics tools...
July 8, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28768782/anterior-cruciate-ligament-reconstruction-in-skeletally-immature-patients-a-systematic-review
#16
U G Longo, M Ciuffreda, C Casciaro, N Mannering, V Candela, G Salvatore, V Denaro
AIMS: Different methods of anterior cruciate ligament (ACL) reconstruction have been described for skeletally immature patients before closure of the growth plates. However, the outcome and complications following this treatment remain unclear. The aim of this systematic review was to analyse the outcome and complications of different techniques which may be used for reconstruction of the ACL in these patients. MATERIALS AND METHODS: We performed a systematic review of the literature according to the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines...
August 2017: Bone & Joint Journal
https://www.readbyqxmd.com/read/28768528/safety-tolerability-clinical-and-joint-structural-outcomes-of-a-single-intra-articular-injection-of-allogeneic-mesenchymal-precursor-cells-in-patients-following-anterior-cruciate-ligament-reconstruction-a-controlled-double-blind-randomised-trial
#17
Yuanyuan Wang, Andrew Shimmin, Peter Ghosh, Paul Marks, James Linklater, David Connell, Stephen Hall, Donna Skerrett, Silviu Itescu, Flavia M Cicuttini
BACKGROUND: Few clinical trials have investigated the safety and efficacy of mesenchymal stem cells for the management of post-traumatic osteoarthritis. The objectives of this pilot study were to determine the safety and tolerability and to explore the efficacy of a single intra-articular injection of allogeneic human mesenchymal precursor cells (MPCs) to improve clinical symptoms and retard joint structural deterioration over 24 months in patients following anterior cruciate ligament (ACL) reconstruction...
August 2, 2017: Arthritis Research & Therapy
https://www.readbyqxmd.com/read/28768432/effects-of-surgical-factors-on-cartilage-can-be-detected-using-quantitative-magnetic-resonance-imaging-after-anterior-cruciate-ligament-reconstruction
#18
Keiko Amano, Alan K Li, Valentina Pedoia, Matthew F Koff, Aaron J Krych, Thomas M Link, Hollis Potter, Scott Rodeo, Xiaojuan Li, C Benjamin Ma, Sharmila Majumdar
BACKGROUND: Quantitative magnetic resonance (qMR) can be used to measure macromolecules in tissues and is a potential method of observing early cartilage changes in the development of posttraumatic osteoarthritis. Hypothesis/Purpose: We hypothesized that specific patient and surgical factors affecting cartilage matrix composition after anterior cruciate ligament (ACL) reconstruction (ACLR) can be detected using T1ρ and T2 relaxation times. Our purpose was to demonstrate this ability in a multicenter feasibility study...
April 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28765881/identification-of-differentially-expressed-micrornas-in-knee-anterior-cruciate-ligament-tissues-surgically-removed-from-patients-with-osteoarthritis
#19
Bin Li, Lunhao Bai, Peng Shen, Yue Sun, Zhizuo Chen, Yu Wen
The degradation of cruciate ligaments is frequently observed in degenerative joint diseases, such as osteo-arthritis (OA). The present study aimed to identify the differentially expressed microRNAs (miRNAs or miRs) in knee anterior cruciate ligament (ACL) tissues derived from patients with OA and in health subjects (non-OA). By using Affymetrix miRNA 4.0 microarrays, a total of 22 miRNAs (including let-7f-5p, miR-26b-5p and miR-146a-5p) were found to be upregulated, while 17 (including miR-18a-3p, miR-138-5p and miR-485-3p) were downregulated in the osteoarthritic ACL tissues (fold change ≥2, P-value <0...
July 31, 2017: International Journal of Molecular Medicine
https://www.readbyqxmd.com/read/28759729/the-effects-of-injury-prevention-programs-on-the-biomechanics-of-landing-tasks-a-systematic-review-with-meta-analysis
#20
Thiago Jambo Alves Lopes, Milena Simic, Gregory D Myer, Kevin R Ford, Timothy E Hewett, Evangelos Pappas
BACKGROUND: Anterior cruciate ligament (ACL) tear is a common injury in sports and often occurs during landing from a jump. PURPOSE: To synthesize the evidence on the effects of injury prevention programs (IPPs) on landing biomechanics as they relate to the ligament, quadriceps, trunk, and leg dominance theories associated with ACL injury risk. STUDY DESIGN: Meta-analysis. METHODS: Six electronic databases were searched for studies that investigated the effect of IPPs on landing task biomechanics...
July 1, 2017: American Journal of Sports Medicine
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