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meniscal tears

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https://www.readbyqxmd.com/read/29333118/the-relationship-between-chondromalacia-patella-medial-meniscal-tear-and-medial-periarticular-bursitis-in-patients-with-osteoarthritis
#1
Mustafa Resorlu, Davut Doner, Ozan Karatag, Canan Akgun Toprak
Background: This study investigated the presence of bursitis in the medial compartment of the knee (pes anserine, semimembranosus-tibial collateral ligament, and medial collateral ligament bursa) in osteoarthritis, chondromalacia patella and medial meniscal tears. Patients and methods: Radiological findings of 100 patients undergoing magnetic resonance imaging with a preliminary diagnosis of knee pain were retrospectively evaluated by two radiologists. The first radiologist assessed all patients in terms of osteoarthritis, chondromalacia patella and medial meniscal tear...
December 2017: Radiology and Oncology
https://www.readbyqxmd.com/read/29329471/diagnosing-meniscal-pathology-and-understanding-how-to-evaluate-a-postoperative-meniscus-based-on-the-operative-procedure
#2
Monica Tafur, Linda Probyn, Jaskarndip Chahal, Lawrence M White
Magnetic resonance imaging (MRI) represents the preferred noninvasive imaging technique to diagnose meniscal pathology in the pre- and postoperative setting. Furthermore, characterization of meniscal tissue MR properties has been possible by the development of advanced MRI techniques. Suspected meniscal tears are a frequent indication for MRI and the International Society of Arthroscopy, Knee Surgery and Orthopaedic Sports Medicine (ISAKOS) classification system has been developed to facilitate accurate and uniform reporting of such meniscal tears...
January 12, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29305288/clinical-outcomes-return-to-sports-and-patient-satisfaction-after-anterior-cruciate-ligament-reconstruction-in-young-and-middle-aged-patients-in-an-asian-population-a-2-year-follow-up-study
#3
Kae Sian Tay, Andrew Hwee Chye Tan
PURPOSE: To compare the clinical outcomes of arthroscopic anterior cruciate ligament (ACL) reconstruction in young and middle-aged Asians. METHODS: A retrospective study was performed using prospectively collected data from a tertiary institution ACL registry. All Asian patients with ACL tears who underwent primary arthroscopic ACL reconstruction by a single surgeon between 2008 and 2014, with minimum 2-year follow-up, were included. Patients with previous knee surgery or multiligamentous knee injuries were excluded...
January 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29260438/novel-flat-and-wide-meniscal-repair-material-improves-the-ultimate-load-of-knot-breakage-in-a-porcine-trans-capsular-meniscal-repair-model
#4
Hiroyuki Yokoi, Tatsuo Mae, Ryo Iuchi, Yasuhiro Take, Yuta Tachibana, Kazunori Shimomura, Tomoki Ohori, Konsei Shino, Hideki Yoshikawa, Ken Nakata
BACKGROUND: In the meniscal repair procedures, a high ultimate load capacity and low cyclic creep at the repair site are favorable and lead to good biological incorporation of the tear site after surgery. Previous biomechanical tensile tests of the meniscal sutures have identified the suture knot as the weakest point. We hypothesized that the strength of a suture knot depends on the suture shape, and therefore, we compared three differently shaped suture materials composed of the same material and quantity per length...
December 19, 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29259990/arthroscopic-management-for-the-unstable-inferior-leaf-of-the-lateral-meniscus-anterior-horn-and-associated-cysts-through-a-direct-inframeniscal-portal-a-retrospective-study
#5
Dongyang Chen, Qiangqiang Li, Ye Sun, Jianghui Qin, Yao Yao, Qing Jiang
Introduction: To investigate the clinical results of arthroscopic management for the unstable inferior leaf of the lateral meniscus anterior horn and associated cysts through an inframeniscal portal. Methods: From March 2005 to October 2014, 64 patients with an unstable inferior leaf of the lateral meniscus anterior horn and associated cysts underwent arthroscopic management with an inframeniscal portal. The mean age of the patients was 36.9 years (range, 18 to 49 years)...
2017: BioMed Research International
https://www.readbyqxmd.com/read/29251375/subchondral-bone-fragility-with-meniscal-tear-accelerates-and-parathyroid-hormone-decelerates-articular-cartilage-degeneration-in-rat-osteoarthritis-model
#6
Yugo Morita, Hiromu Ito, Masahiro Ishikawa, Takayuki Fujii, Moritoshi Furu, Masayuki Azukizawa, Akinori Okahata, Takuya Tomizawa, Shinichi Kuriyama, Shinichiro Nakamura, Kohei Nishitani, Hiroyuki Yoshitomi, Shuichi Matsuda
The aims of this study were to investigate the influence of subchondral bone fragility (SBF) on the progression of the knee osteoarthritis by using a novel rat model, and to examine the preventive effect of parathyroid hormone (PTH) on cartilage degeneration. First, 40 rats were assigned to the following four groups: Sham, SBF, Medial meniscal tear (MMT), and MMT + SBF groups. In SBF and MMT + SBF groups, we induced SBF by microdrilling the subchondral bone. Second, 10 additional rats were randomly assigned to the following two groups: MMT + SBF + saline and MMT + SBF + PTH groups...
December 18, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29244688/arthrofibrosis-associated-with-the-surgical-treatment-of-chronic-lyme-arthritis-and-a-concomitant-medial-meniscal-tear-a-case-report
#7
Nathanael Tran, Matthew D Milewski
CASE: We describe a case of refractory Lyme arthritis in an adolescent patient with a concomitant medial meniscal tear. The patient underwent arthroscopic synovectomy and meniscal repair, and required additional surgery for subsequent decreased range of motion. We describe the presentation, the intraoperative findings, the course of recovery, and the literature regarding Lyme arthritis and meniscal tears. CONCLUSION: Refractory Lyme arthritis commonly is treated successfully with arthroscopic synovectomy...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29239538/-do-degenerative-meniscal-tears-need-surgery
#8
Julien Billières, Hermès Miozzari, Anne Lübbeke, Didier Hannouche
Degenerative meniscal tears (DMT) are common, often asymptomatic, and are associated with early-stage knee osteoarthritis in patients over 35 years of age. Conservative treatment, including exercise, physiotherapy and pain medication, should be offered as a first management approach for patients with symptomatic DMT. The indication for partial arthroscopic meniscectomy should be considered carefully, and based on specific criteria. Recently, several randomized controlled studies comparing partial medial meniscectomy to conservative treatment or to a sham procedure have questioned the effectiveness of surgical treatment of these lesions...
December 13, 2017: Revue Médicale Suisse
https://www.readbyqxmd.com/read/29227373/incidence-of-meniscal-entrapment-and-associated-knee-injuries-in-tibial-spine-avulsions
#9
Jason T Rhodes, Peter C Cannamela, Aristides I Cruz, Meredith Mayo, Alexandra C Styhl, Connor G Richmond, Theodore J Ganley, Kevin G Shea
BACKGROUND: Tibial spine avulsions (TSA) have historically been treated as isolated injuries. Data on associated injuries are limited with existing literature reporting wide ranging incidences. The purpose of this multicenter study was to (1) describe the incidence of meniscal entrapment and associated knee injuries in TSA and to (2) compare surgical and magnetic resonance image (MRI) findings for these injuries. Our hypothesis is that tibial spine injuries are not usually isolated injuries, and other meniscal, ligament, and cartilage injuries may be present...
December 8, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29225426/incidence-and-predictors-of-total-knee-arthroplasty-following-knee-arthroscopy
#10
Tristan Camus, Jiho Han, Feroz Osmani, Norman Scott, William J Long
Objective: The purpose of this study was to determine the effectiveness of knee arthroscopy (KA) in patients with symptomatic meniscal tears or mechanical symptoms and OA, by using conversion to TKA as a final outcome measure. Methods: Retrospective review of all patients with OA who underwent KA in our practice. Results: 1215 KAs were reviewed; 3.9% underwent conversion to TKA at an average of 3.2 years. Conclusion: KA plays a role in delaying TKA in knees with meniscal tears and mechanical symptoms with concurrent OA...
March 2018: Journal of Orthopaedics
https://www.readbyqxmd.com/read/29225019/primary-versus-revision-anterior-cruciate-ligament-reconstruction-patient-demographics-radiographic-findings-and-associated-lesions
#11
Justin J Mitchell, Mark E Cinque, Grant J Dornan, Lauren M Matheny, Chase S Dean, Brad Kruckeberg, Gilbert Moatshe, Jorge Chahla, Robert F LaPrade
PURPOSE: The purpose of this study was to evaluate the differences in intra-articular pathology, demographic characteristics, and radiographic characteristics of the knee associated with primary anterior cruciate ligament reconstruction (ACLR) versus revision ACLR at the time of initial presentation with either a native anterior cruciate ligament tear or an anterior cruciate ligament graft tear. Secondarily, we aimed to investigate risk factors for concomitant medial and lateral meniscal tears and cartilage injuries at the time of ACLR...
December 7, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29214554/geniposide-suppresses-interleukin-1%C3%AE-induced-inflammation-and-apoptosis-in-rat-chondrocytes-via-the-pi3k-akt-nf-%C3%AE%C2%BAb-signaling-pathway
#12
Tianlong Pan, Xuchao Shi, Huan Chen, Rong Chen, Dengying Wu, Zeng Lin, Jingdong Zhang, Jun Pan
Osteoarthritis (OA) is a chronic degenerative joint disease that is principally characterized by progressive joint dysfunction and cartilage degradation. Inflammation and apoptosis play critical roles in the progression of OA. Geniposide (GPO), one of the principal components of the fruit of Gardenia jasminoides Ellis, has been reported to have anti-inflammatory and other pharmacological effects. In this study, we performed in vitro experiments on rat chondrocytes to examine the therapeutic effects of GPO on OA and investigated its effects in vivo in a rat model of OA induced by medial meniscal tear (MMT)...
December 6, 2017: Inflammation
https://www.readbyqxmd.com/read/29202765/a-novel-technique-for-modified-all-inside-repair-of-bucket-handle-meniscus-tears-using-standard-arthroscopic-portals
#13
Jing Hui Yik, Bryan Thean Howe Koh, Wilson Wang
BACKGROUND: Bucket-handle meniscus tears (BHMT) are often displaced and unstable. The inside-out technique of repairing such tears is currently the gold standard. All-inside repair with meniscal fixators is getting increasingly popular. Shortcomings of the inside-out technique include neurovascular complications, especially saphenous nerve palsy, and retention of a non-resorbable suture which can result in discomfort to patient, granuloma formation, and a foci of infection. Hence, the purpose of this project was to innovate a novel all-inside technique to precisely reduce and fix BHMT while avoiding neurovascular complications and retention of a non-resorbable suture...
December 4, 2017: Journal of Orthopaedic Surgery and Research
https://www.readbyqxmd.com/read/29202561/meniscal-extrusion-as-booster-of-osteoarthritis
#14
R Papalia, G Papalia, F Russo, L A Diaz, F Bressi, S Sterzi, V Denaro
Meniscal extrusion (ME) has shown to play a critical but still unclear role in osteoarthritis (OA) development. ME has been described as an important risk factor in the progression of knee OA, as it is involved in the thinning of articular cartilage, joint space narrowing, spontaneous osteonecrosis of the knee and subchondral bone marrow lesions. Meniscal damage of any degree of severity could cause ME in both compartments, but it is commonly associated with severe meniscal tears or root tears mainly in the medial meniscus...
December 4, 2017: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/29198047/medial-meniscus-grafting-restores-normal-tibiofemoral-contact-pressures
#15
John Nyland, Kirk Campbell, Alaa Kalloub, Eric J Strauss, Katrina Kuban, David N M Caborn
BACKGROUND: Tissue excision in the setting of a meniscal tear has been shown to dramatically increase peak contact stresses in the affected tibiofemoral joint compartment, leading to the development of degenerative changes and osteoarthritis. PURPOSE/HYPOTHESIS: The current in vitro study utilized a porcine model to evaluate the effectiveness of segmental medial meniscal grafting following partial meniscectomy. The study hypothesis was that the procedure would normalize medial tibofemoral joint compartment pressure magnitudes, areas, and locations relative to an intact meniscus...
December 2, 2017: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/29192542/the-effects-of-a-simulated-occupational-kneeling-exposure-on-squat-mechanics-and-knee-joint-load-during-gait
#16
Liana Michele Tennant, Helen Christina Chong, Stacey Marie Acker
Occupational kneeling is associated with an increased risk for tibiofemoral knee osteoarthritis. Forces on the knee in the kneeling posture, as well as the greater incidence of meniscus tears among workers likely contribute to the increased risk. We hypothesize that an additional mechanism may contribute - altered neuromuscular control due to prolonged high knee flexion. Forty participants (20 male, 20 female) completed an evaluation of gait and squatting before, immediately following, and 30 minutes following a 30-minute simulated occupational kneeling exposure...
December 1, 2017: Ergonomics
https://www.readbyqxmd.com/read/29189474/pediatric-acl-reconstruction-and-return-to-the-operating-room-revision-is-less-than-half-of-the-story
#17
Christopher J DeFrancesco, Eileen P Storey, John M Flynn, Theodore J Ganley
BACKGROUND: Although there are several causes of unplanned return to the operating room (RTOR) following pediatric anterior cruciate ligament (ACL) reconstruction (ACLR), prior outcomes studies focus primarily on the risk of graft failure. We sought to comprehensively describe indications for RTOR in pediatric primary ACLR patients, estimate associated rates of RTOR, and assess the impact of concomitant meniscal procedures on these rates. METHODS: This retrospective cohort study considered patients who underwent primary ACLR at an urban, pediatric tertiary care hospital between 2013 and 2015...
November 20, 2017: Journal of Pediatric Orthopedics
https://www.readbyqxmd.com/read/29188333/dynamically-tensioned-acl-functional-knee-braces-reduce-acl-and-meniscal-strain
#18
Sebastian Tomescu, Ryan Bakker, David Wasserstein, Mayank Kalra, Micah Nicholls, Cari Whyne, Naveen Chandrashekar
PURPOSE: The effectiveness of ACL functional knee braces to reduce meniscal and ACL strain after ACL injury or reconstruction is not well understood. A new dynamic knee tensioning brace system has been designed to apply an active stabilizing force to the knee. The ability of this system to reduce tissue strains is unknown. The purpose of this study was to test the ability of the dynamically tensioned brace to reduce strain in both the ACL and meniscus during rehabilitation activities...
November 29, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29183885/can-we-predict-the-clinical-outcome-of-arthroscopic-partial-meniscectomy-a-systematic-review
#19
REVIEW
Susanne M Eijgenraam, Max Reijman, Sita M A Bierma-Zeinstra, Daan T van Yperen, Duncan E Meuffels
NHS-PROSPERO REGISTRATION NUMBER: 42016048592 OBJECTIVE: In order to make a more evidence-based selection of patients who would benefit the most from arthroscopic partial meniscectomy (APM), knowledge of prognostic factors is essential. We conducted a systematic review of predictors for the clinical outcome following APM. DESIGN: Systematic review DATA SOURCES: Medline, Embase, Cochrane Central Register, Web of Science, SPORTDiscus, PubMed Publisher, Google Scholar INCLUSION CRITERIA: Report an association between factor(s) and clinical outcome; validated questionnaire; follow-up >1 year...
November 28, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29172393/the-meniscofemoral-ligament-mimicking-a-lateral-meniscus-tear
#20
Bong Keun Park, Hohyoung Lee, Seong-Tae Kim, Min Geun Yoon
A 58-year-old male patient who had developed left knee pain with a history of trauma was referred to our hospital. Physical examination and further examination by magnetic resonance imaging revealed results that closely resemble a horizontal tear of the lateral meniscus and a tear of the medial meniscus. Arthroscopically, we found a cord-like structure originating from the posterior 1/3 portion of the lateral meniscus and passing obliquely toward the medial femoral condyle in front of the posterior cruciate ligament without a tear of the lateral meniscus...
December 1, 2017: Knee Surgery & related Research
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