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meniscal tears

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https://www.readbyqxmd.com/read/29792925/change-in-patient-reported-outcomes-in-patients-with-and-without-mechanical-symptoms-undergoing-arthroscopic-meniscal-surgery-a-prospective-cohort-study
#1
Kenneth Pihl, Aleksandra Turkiewicz, Martin Englund, L Stefan Lohmander, Uffe Jørgensen, Nis Nissen, Jeppe Schjerning, Jonas B Thorlund
OBJECTIVE: Patients with degenerative or traumatic meniscal tears are at high risk of developing knee osteoarthritis. We investigated if younger (≤40 years) and older (>40 years) patients with preoperative mechanical symptoms improved more in patient-reported outcomes after meniscal surgery than those without mechanical symptoms. DESIGN: Patients from Knee Arthroscopy Cohort Southern Denmark (KACS) undergoing arthroscopic surgery for a meniscal tear completed online questionnaires before surgery, and at 12 and 52 weeks follow-up...
May 21, 2018: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/29791926/meniscus-repair-in-children-and-adolescents-a-systematic-review-of-treatment-approaches-meniscal-healing-and-outcomes
#2
Márcio Balbinotti Ferrari, Colin P Murphy, João Luiz Ellera Gomes
Although the consequences of traumatic meniscus tears and the importance of meniscal repair are well-established in adults, the same cannot be said for the young population. Better evidence regarding the outcomes following traumatic meniscal tears in children would improve our understanding of this increasing pathology and help define important factors in deciding the best treatment option. A systematic review was performed according to the Preferred Reporting Items for Systematic Review and Meta-Analysis guidelines using the Cochrane Database of Systematic Review, Cochrane Central Register of Controlled Trials, MEDLINE Ovid, and MEDLINE PubMed databases...
May 23, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29791702/all-inside-technique-for-acl-reconstruction-using-a-flipcutter%C3%A2-and-the-tightrope%C3%A2-system
#3
Nicos Papaloucas
There have been many innovations in the field of ACL-reconstruction over the years, including the FlipCutter® and TightRope® system (both from Arthrex Inc.). The FlipCutter® is a combined guide pin and reamer that allows minimally invasive socket-creation from the inside out, especially in difficult-to-reach areas. The TightRope® is a further development of the well-known Endobutton™ (Smith & Nephew plc) that consists of a four-point knotless locking system. Its main advantage is its adjustability, which makes it possible to fill the entire bone socket with the graft without any empty space...
June 1, 2018: Surgical Technology International
https://www.readbyqxmd.com/read/29789912/meniscal-pathologies-on-mri-correlate-with-increased-bone-tracer-uptake-in-spect-ct
#4
Jan Rechsteiner, Michael T Hirschmann, Milos Dordevic, Anna L Falkowski, Enrique A Testa, Felix Amsler, Anna Hirschmann
OBJECTIVES: To assess the relationship of subchondral bone tracer uptake (BTU) on SPECT/CT and meniscal pathologies on MRI in patients with painful knees. METHODS: Twenty-five patients who had MRI and SPECT/CT within 3 months without knee surgery or grade ≥3 cartilage lesions were prospectively included. Maximum values of each subchondral femorotibial area were quantified and a ratio was calculated in relation to a femoral shaft reference region, which represented the BTU background activity...
May 22, 2018: European Radiology
https://www.readbyqxmd.com/read/29780838/association-of-compartmental-bone-bruise-distribution-with-concomitant-intra-articular-and-extra-articular-injuries-in-acute-anterior-cruciate-ligament-tears-after-noncontact-sports-trauma
#5
Palaniswamy Aravindh, Tianyi Wu, Chloe Xiaoyun Chan, Keng Lin Wong, Lingaraj Krishna
Background: Anterior cruciate ligament (ACL) injuries are frequently associated with bone bruises, and their presence may be associated with concomitant intra- and extra-articular injuries. Purpose: To investigate the prevalence and pattern of distribution of bone bruises in patients with acute ACL tears from noncontact sports trauma and their association with specific intra- and extra-articular injuries. Study Design: Cross-sectional study; Level of evidence, 3...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29772990/the-effects-of-meniscal-geometry-on-susceptibility-for-meniscal-and-acl-injury-in-non-arthritic-knees-a-retrospective-case-control-study
#6
Alexander Tejani, Qais Naziri, Preston W Grieco, Robert Pivec, Damon Greene, Bhaveen V Kapadia, Dipal Chatterjee, William P Urban
Prior studies have not found significant differences in meniscal parameters between patients with meniscal and ligamentous injury and those without. The purpose of this study was to determine whether such relationships exist. Clinical records and magnetic resonance images of three subject groups were reviewed. Group 1 solely had meniscal tears (medial/lateral), Group 2 had meniscal tears with concurrent ACL tears, and Group 3 had healthy knees. The mean age of subjects included was 35.9 years (range 8.2-72...
2018: Journal of Long-term Effects of Medical Implants
https://www.readbyqxmd.com/read/29770342/fibular-collateral-ligament-varus-stress-radiographic-analysis-using-3-different-clinical-techniques
#7
Patrick W Kane, Mark E Cinque, Gilbert Moatshe, Jorge Chahla, Nicholas N DePhillipo, Matthew T Provencher, Robert F LaPrade
Background: Fibular collateral ligament (FCL) tears are challenging to diagnose. Left untreated, FCL tears lead to residual ligament instability and increased joint loading on the medial compartment of the knee. Additionally, when a concomitant anterior cruciate ligament (ACL) reconstruction is performed, increased forces on reconstruction grafts occur, which may lead to premature graft failure. Stress radiographs constitute a reliable and validated technique for the objective assessment of a complete grade III FCL tear...
May 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29769537/a-co-culture-system-of-rat-synovial-stem-cells-and-meniscus-cells-promotes-cell-proliferation-and-differentiation-as-compared-to-mono-culture
#8
Xing Xie, Jingxian Zhu, Xiaoqing Hu, Linghui Dai, Xin Fu, Jiying Zhang, Xiaoning Duan, Yingfang Ao
A meniscus tear often happens during active sports. It needs to be repaired or replaced surgically to avoid further damage to the articular cartilage. To address the shortage of autologous meniscal cells, we designed a co-culture system of synovial stem cells (SMSCs) and meniscal cells (MCs) to produce a large cell number and to maintain characteristics of MCs. Different ratios of SMSCs and MCs at 3:1, 1:1, and 1:3 were tested. Mono-culture of SMSCs or MCs served as control groups. Proliferation and differentiation abilities were compared...
May 16, 2018: Scientific Reports
https://www.readbyqxmd.com/read/29754495/evaluation-of-anterior-intermeniscal-ligament-in-discoid-lateral-meniscus-cases-and-presenting-the-accompanying-meniscal-pathologies-with-mri
#9
Ali Koç, Turgut Tursem Tokmak, Özgür Karabıyık, Gamze Türk
Background Although several studies were conducted to put forth the biomechanical function of anterior intermeniscal ligament (AIML) on the stability of meniscal structures, there are few data on the etiology of the early degeneration of discoid type compared to the normal shaped ones. Purpose To determine the AIML subtypes and accompanying meniscal pathologies in discoid lateral menisci (DLM) on knee MRI exams. Material and Methods Knee MRI exams of 171 individuals with DLM were reviewed. DLMs and AIMLs were typed according to Watanabe's classification and Nelson-Laprade classification, respectively...
January 1, 2018: Acta Radiologica
https://www.readbyqxmd.com/read/29741400/anterolateral-ligament-reconstruction-protects-the-repaired-medial-meniscus-a-comparative-study-of-383-anterior-cruciate-ligament-reconstructions-from-the-santi-study-group-with-a-minimum-follow-up-of-2-years
#10
Bertrand Sonnery-Cottet, Adnan Saithna, William G Blakeney, Herve Ouanezar, Amrut Borade, Matt Daggett, Mathieu Thaunat, Jean-Marie Fayard, Jean Romain Delaloye
BACKGROUND: The prevalence of osteoarthritis after successful meniscal repair is significantly less than that after failed meniscal repair. PURPOSE: To determine whether the addition of anterolateral ligament reconstruction (ALLR) confers a protective effect on medial meniscal repair performed at the time of anterior cruciate ligament reconstruction (ACLR). STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: Retrospective analysis of prospectively collected data was performed to include all patients who had undergone primary ACLR with concomitant posterior horn medial meniscal repair through a posteromedial portal between January 2013 and August 2015...
May 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29738601/the-meniscal-comma-sign-characterization-and-treatment-of-a-displaced-fragment-in-the-meniscotibial-recess
#11
Hytham S Salem, Aaron H Carter, Weilong J Shi, Fotios P Tjoumakaris, Steven B Cohen, Adam C Zoga, Kevin B Freedman
Displaced parrot beak flap tears in the meniscotibial recess are complex tears of the meniscus that begin as central radial tears and progressively extend toward the periphery, creating a detached fragment. These tears have not been described in the literature, but the authors have described them as the "meniscal comma sign" based on their appearance on magnetic resonance imaging. Displaced fragments are clinically significant because of the pain and mechanical symptoms they can cause as a result of tenting of the deep medial collateral ligament...
May 8, 2018: Orthopedics
https://www.readbyqxmd.com/read/29730682/the-diagnostic-accuracy-of-b-mode-ultrasound-in-detecting-meniscal-tears-a-systematic-review-and-pooled-meta-analysis
#12
Fajin Dong, Lei Zhang, Shuxia Wang, Duo Dong, Jinfeng Xu, Huaiyu Wu, Yan Liu, Min Li
AIM: To evaluate the diagnostic accuracy of meniscal tears using B-mode ultrasound and high-frequency linear probe by conducting a systematic review and pooled meta-analysis. MATERIAL AND METHODS: The Cochrane library, Embase, and Pubmed were searched for relevant studies up to 29 July 2017. The arthroscopy was used as the reference standard. The results were estimated by pooled sensitivity, specificity, diagnostic odds ratio, likelihood ratio, and the area under the summary receiver operating characteristic (SROC)...
May 2, 2018: Medical Ultrasonography
https://www.readbyqxmd.com/read/29730210/evaluation-of-anterolateral-ligament-injuries-and-concomitant-lesions-on-magnetic-resonance-imaging-after-acute-anterior-cruciate-ligament-rupture
#13
Dhong Won Lee, Ji Hwan Lee, Ji Nam Kim, Sung Gyu Moon, Na Ra Kim, Du Han Kim, Jin Goo Kim
PURPOSE: To evaluate the prevalence and characteristics of anterolateral ligament (ALL) injuries with a ruptured acute anterior cruciate ligament (ACL) and to analyze the presence of concomitant bone contusions and meniscal lesions. METHODS: From March 2015 to March 2017, we retrospectively analyzed 378 patients who underwent primary ACL reconstructions. Using magnetic resonance imaging, we evaluated the presence of ALL injury and concomitant lesions within 3 weeks of the injury...
May 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29726627/relationship-between-patient-reported-swelling-and-mri-defined-effusion-synovitis-in-patients-with-meniscus-tears-and-knee-osteoarthritis
#14
Lindsey A MacFarlane, Heidi Yang, Jamie E Collins, Ali Guermazi, Lisa A Mandl, Brue A Levy, Robert G Marx, Clare E Safran-Norton, Elena Losina, Jeffrey N Katz
OBJECTIVE: Synovitis is a prevalent feature in patients with knee osteoarthritis (OA) and meniscal tear and is associated with pain and cartilage damage. Patient-reported swelling is also prevalent in this population. We aimed to investigate the cross-sectional association between patient-reported swelling and effusion-synovitis on magnetic resonance imaging (MRI) in patients with OA and meniscal tear. METHODS: We used baseline data from a multicenter randomized controlled trial, Meniscal Tear in Osteoarthritis Research (MeTeOR)...
May 4, 2018: Arthritis Care & Research
https://www.readbyqxmd.com/read/29718873/the-imaging-features-of-the-meniscal-roots-on-isotropic-3d-mri-in-young-asymptomatic-volunteers
#15
Ping Wang, Cheng-Zhou Zhang, Di Zhang, Quan-Yuan Liu, Xiao-Fei Zhong, Zhi-Jie Yin, Bin Wang
BACKGROUND: This study aimed to describe clearly the normal imaging features of the meniscal roots on the magnetic resonance imaging (MRI) with a 3-dimensional (3D) proton density-weighted (PDW) sequence at 3T. METHODS: A total of 60 knees of 31 young asymptomatic volunteers were examined using a 3D MRI. The insertion patterns, constitution patterns, and MR signals of the meniscal roots were recorded. RESULTS: The anterior root of the medial meniscus (ARMM), the anterior root of the lateral meniscus (ARLM), and the posterior root of the medial meniscus (PRMM) had 1 insertion site, whereas the posterior root of the lateral meniscus (PRLM) can be divided into major and minor insertion sites...
May 2018: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29713647/a-prospective-randomized-double-blind-parallel-group-placebo-controlled-study-evaluating-meniscal-healing-clinical-outcomes-and-safety-in-patients-undergoing-meniscal-repair-of-unstable-complete-vertical-meniscal-tears-bucket-handle-augmented-with-platelet
#16
Rafal Kaminski, Krzysztof Kulinski, Katarzyna Kozar-Kaminska, Monika Wielgus, Maciej Langner, Marcin K Wasko, Jacek Kowalczewski, Stanislaw Pomianowski
Objective: The present study aimed to investigate the effectiveness and safety of platelet-rich plasma (PRP) application in arthroscopic repair of complete vertical tear of meniscus located in the red-white zone. Methods: This single center, prospective, randomized, double-blind, placebo-controlled, parallel-arm study included 37 patients with complete vertical meniscus tears. Patients received an intrarepair site injection of either PRP or sterile 0.9% saline during an index arthroscopy...
2018: BioMed Research International
https://www.readbyqxmd.com/read/29704113/repair-of-the-lateral-posterior-meniscal-root-improves-stability-in-an-acl-deficient-knee
#17
Philipp Forkel, Constantin von Deimling, Lucca Lacheta, Florian B Imhoff, Peter Foehr, Lukas Willinger, Felix Dyrna, Wolf Petersen, Andreas B Imhoff, Rainer Burgkart
PURPOSE: To investigate the stabilizing effect of a lateral meniscus posterior root repair in an ACL and root deficient knee. METHODS: The hypothesis of the current study was that a sequential transection of the posterior root and the meniscofemoral ligaments in an ACL-deficient knee increases rotational instability, and conversely, a repair of the meniscus root reduces the internal tibial rotation. Therefore, eight human knee joints were tested in a robotic setup (5 N m internal torque, 50 N m anterior translation load)...
April 27, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29698304/clinical-faceoff-the-role-of-arthroscopic-partial-meniscectomy-in-the-treatment-of-meniscal-tears
#18
Bruce A Levy, Raine Sihvonen, Robert G Marx
No abstract text is available yet for this article.
April 23, 2018: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/29696230/willingness-of-older-adults-to-participate-in-a-randomized-trial-of-conservative-therapies-for-knee-pain-a-prospective-preference-assessment
#19
Hannah M Kerman, Bhushan R Deshpande, Faith Selzer, Elena Losina, Jeffrey N Katz
Background: In preparation for a trial of physical therapy (PT) for patients with degenerative meniscal tear and knee osteoarthritis, we conducted a prospective preference assessment -- a methodology for estimating the proportion of eligible subjects who would participate in a hypothetical randomized trial. Methods: We identified patients seeking care from the practices of five orthopedic surgeons. Patients completed a survey asking about their willingness to participate in a hypothetical trial, their treatment preferences, their knee pain, and demographic variables...
March 2018: Contemporary Clinical Trials Communications
https://www.readbyqxmd.com/read/29685524/medial-meniscal-extrusion-detection-evaluation-and-clinical-implications
#20
REVIEW
Nayanatara Swamy, Vibhor Wadhwa, Gitanjali Bajaj, Avneesh Chhabra, Tarun Pandey
The menisci play an important role in knee kinematics. Their unique anatomy allows them to channel forces generated during knee movements through the larger tibio-femoral condylar surfaces while simultaneously resisting deleterious hoop stresses. Although physiologic meniscal extrusion occurs with every knee joint movement, pathologic meniscal extrusion subjects the knee to persistent and excessive load transmission. This renders the knee structures susceptible to injury or exacerbates worsening of existing knee joint internal derangement...
May 2018: European Journal of Radiology
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