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Lateral meniscus tear

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https://www.readbyqxmd.com/read/29143404/tool-for-osteoarthritis-risk-prediction-toarp-over-8-years-using-baseline-clinical-data-x-ray-and-mri-data-from-the-osteoarthritis-initiative
#1
Gabby B Joseph, Charles E McCulloch, Michael C Nevitt, Jan Neumann, Alexandra S Gersing, Martin Kretzschmar, Benedikt J Schwaiger, John A Lynch, Ursula Heilmeier, Nancy E Lane, Thomas M Link
BACKGROUND: Osteoarthritis (OA), a multifactorial disease causing joint degeneration, often leads to severe disability. The rising rates of disability highlight the need for implementing preventative measures at early stages of the disease, which would especially benefit subjects at high risk for OA development. PURPOSE: To develop a risk prediction tool for moderate-severe OA (TOARP) over 8 years based on subject characteristics, knee radiographs, and MRI data at baseline using data from the Osteoarthritis Initiative (OAI)...
November 16, 2017: Journal of Magnetic Resonance Imaging: JMRI
https://www.readbyqxmd.com/read/29119285/lateral-femoral-notch-depth-is-not-associated-with-increased-rotatory-instability-in-acl-injured-knees-a-quantitative-pivot-shift-analysis
#2
Ajay C Kanakamedala, Jeremy M Burnham, Thomas R Pfeiffer, Elmar Herbst, Marcin Kowalczuk, Adam Popchak, James Irrgang, Freddie H Fu, Volker Musahl
PURPOSE: A deep lateral femoral notch (LFN) on lateral radiographs is indicative of ACL injury. Prior studies have suggested that a deep LFN may also be a sign of persistent rotatory instability and a concomitant lateral meniscus tear. Therefore, the purpose of this study was to evaluate the relationship between LFN depth and both quantitative measures of rotatory knee instability and the incidence of lateral meniscus tears. It was hypothesized that greater LFN depth would be correlated with increased rotatory instability, quantified by lateral compartment translation and tibial acceleration during a quantitative pivot shift test, and incidence of lateral meniscus tears...
November 8, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29114640/evolution-of-osteochondritis-dissecans-of-the-lateral-femoral-condyle-combined-with-discoid-meniscus
#3
Erica Bulgheroni, Lorenzo Mattioli, Paolo Bulgheroni
The discoid meniscus is a rare anomaly of the knee that affects mostly the lateral meniscus and is often asymptomatic. The osteochondritis dissecans is a disorder of the subchondral bone and articular cartilage and occurs frequently associated with the discoid lateral meniscus. In the present case, we showed the evolution of this association related to surgical treatment. A patient with lateral knee pain and a magnetic resonance depicting a torn discoid lateral meniscus and osteochondritis dissecans of the lateral femoral condyle was treated with partial meniscectomy and meniscal sutures...
June 2017: Joints
https://www.readbyqxmd.com/read/29065035/the-effect-of-soft-tissue-injuries-on-clinical-outcomes-following-tibial-plateau-fracture-fixation
#4
Stephen J Warner, Matthew R Garner, Patrick C Schottel, Peter D Fabricant, Ryan R Thacher, Michael L Loftus, David L Helfet, Dean G Lorich
OBJECTIVE: The purpose of this study was to determine if ligamentous and meniscal injuries as determined by initial magnetic resonance imaging altered clinical outcomes following the fixation of tibial plateau fractures. DESIGN: Comparative cohort study. SETTING: Academic level I trauma center. PATIENTS/PARTICIPANTS: Eighty-two patients from a prospective database of operatively treated tibial plateau fractures met the inclusion criteria, which consisted of injury radiographs, preoperative knee MRI, and a minimum of twelve months of clinical outcomes...
October 14, 2017: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29059110/discoid-lateral-meniscus-in-children-diagnosis-management-and-outcomes
#5
Mininder S Kocher, Catherine A Logan, Dennis E Kramer
Discoid meniscus is a congenital variant of the knee joint that typically involves abnormal morphology and potential instability of the lateral meniscus. Some discoid menisci have abnormal peripheral attachments and are unstable. Discoid menisci are prone to tearing secondary to increased thickness, poor tissue quality, and instability. Patients may or may not be symptomatic. Torn or unstable discoid menisci cause mechanical symptoms, pain, and swelling. Symptomatic patients in whom nonsurgical management fails most frequently are treated with arthroscopic surgery...
November 2017: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/29054554/second-look-arthroscopic-evaluation-of-repaired-radial-oblique-tears-of-the-midbody-of-the-lateral-meniscus-in-stable-knees
#6
Akira Tsujii, Hiroshi Amano, Yoshinari Tanaka, Keisuke Kita, Ryohei Uchida, Yoshiki Shiozaki, Shuji Horibe
BACKGROUND: Radial/oblique tears of the midbody of the lateral meniscus significantly impair the ability of the meniscus to withstand the tibiofemoral load, requiring meniscal repair. However, healing status after meniscal repair has not been fully elucidated. This study aimed to evaluate arthroscopic findings after inside-out suture repair for isolated radial/oblique tears of the midbody of the lateral meniscus. METHODS: From 2011 to 2015, 18 consecutive patients with isolated radial/oblique tears of the midbody of the lateral meniscus underwent arthroscopic inside-out repair with the tie-grip suture technique...
October 18, 2017: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29017608/autologous-mesenchymal-stem-cells-or-meniscal-cells-what-is-the-best-cell-source-for-regenerative-meniscus-treatment-in-an-early-osteoarthritis-situation
#7
Johannes Zellner, Girish Pattappa, Matthias Koch, Siegmund Lang, Johannes Weber, Christian G Pfeifer, Michael B Mueller, Richard Kujat, Michael Nerlich, Peter Angele
BACKGROUND: Treatment of meniscus tears within the avascular region represents a significant challenge, particularly in a situation of early osteoarthritis. Cell-based tissue engineering approaches have shown promising results. However, studies have not found a consensus on the appropriate autologous cell source in a clinical situation, specifically in a challenging degenerative environment. The present study sought to evaluate the appropriate cell source for autologous meniscal repair in a demanding setting of early osteoarthritis...
October 10, 2017: Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/28987527/risk-factors-for-radiographic-progression-of-osteoarthritis-after-partial-meniscectomy-of-discoid-lateral-meniscus-tear
#8
J H Ahn, D M Kang, K J Choi
INTRODUCTION: Partial meniscectomy has been preferred in the treatment of discoid lateral meniscus (DLM) with tear, rather than total or subtotal meniscectomy, which could lead to late radiographic degenerative changes. HYPOTHESIS: One or more risk factors contribute to radiographic progression of osteoarthritis after partial meniscectomy of DLM tear. MATERIAL AND METHODS: Inclusion criteria were consecutive patients who underwent arthroscopic surgeries for DLM tear from January 2005 to December 2010 by one surgeon...
October 5, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28986637/association-of-weight-change-with-progression-of-meniscal-intrasubstance-degeneration-over-48-months-data-from-the-osteoarthritis-initiative
#9
Julio Brandao Guimaraes, Michael C Nevitt, Charles E McCulloch, Benedikt J Schwaiger, Alexandra S Gersing, Luca Facchetti, Matthew D Bucknor, Nattagan Chanchek, Felix Liu, Gabby B Joseph, Thomas M Link
OBJECTIVES: To investigate the association of weight change over 48 months with progression of meniscal intrasubstance degeneration (MID). METHODS: We studied 487 subjects with MID at baseline and after 48 months using 3-T MRI with the same protocol (FSE sequences with and without fat suppression). These participants lost weight (≥3%, n = 141), had moderate weight gain (3-10%, n = 77), substantial weight gain (>10%, n = 15) or maintained stable weight (n = 254)...
October 6, 2017: European Radiology
https://www.readbyqxmd.com/read/28970118/effects-of-lateral-wedge-insole-application-on-medial-compartment-knee-osteoarthritis-severity-evaluated-by-ultrasound
#10
Yosuke Ishii, Masataka Deie, Naoto Fujita, Hiroshi Kurumadani, Masakazu Ishikawa, Atsuo Nakamae, Seiju Hayashi, Jiro Hata, Nobuo Adachi, Toru Sunagawa
BACKGROUND: It is known that a lateral wedge insole (LWI) decreases medial loading stress in the knee. Medial meniscus pathology, such as a degenerative tear or a root tear, leading to malfunction and medial meniscus extrusion (MME), is a critical condition that leads to severe osteoarthritis (OA). However, the effect of LWI on MME is still unknown. The objective of this study was to investigate the effect of LWI use on MME in knee OA using ultrasonography. METHODS: Thirty-one knees from 18 patients with knee OA diagnosed radiographically were allocated to the OA group (mean age, 73...
September 29, 2017: Knee
https://www.readbyqxmd.com/read/28933331/-comparison-of-the-arthroscopic-finding-in-the-knee-joint-and-the-mri-retrospective-study
#11
K Šimeček, P Látal, J Duda, M Šimeček
PURPOSE OF THE STUDY Our retrospective study presents the comparison of the preoperative magnetic resonance imaging of the knee joint - MRI - and the arthroscopic finding - ASC. Its aim is to find out how a positive or a negative finding of MRI corresponds with the operative finding and how much the experience of radiologist contributes to the conformity. MATERIAL AND METHODS The MRI findings of knee joints treated surgically at two departments in 2013 and 2014 were assessed. The MRI was performed in a total of 470 patients who subsequently underwent an arthroscopic surgery...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
https://www.readbyqxmd.com/read/28894908/discoid-lateral-meniscus-can-be-overlooked-by-magnetic-resonance-imaging-in-patients-with-meniscal-tears
#12
Dong-Wook Sohn, Seong-Il Bin, Jong-Min Kim, Bum-Sik Lee, Seon-Jeong Kim
PURPOSE: MRI evaluation of torn lateral meniscus was compared with arthroscopy. This study calculates the sensitivity, specificity, and accuracy of MRI in determining the presence or absence of discoid lateral meniscus (DLM) for different tear types. METHODS: MR imaging of 156 knees with arthroscopically confirmed lateral meniscus tears was analysed. There were 78 knees (70 patients) in non-DLM group and 78 knees (74 patients) in DLM group on arthroscopy as the reference standard...
September 11, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28894756/relationships-between-tibiofemoral-contact-forces-and-cartilage-morphology-at-2-to-3-years-after-single-bundle-hamstring-anterior-cruciate-ligament-reconstruction-and-in-healthy-knees
#13
David John Saxby, Adam L Bryant, Xinyang Wang, Luca Modenese, Pauline Gerus, Jason M Konrath, Kim L Bennell, Karine Fortin, Tim Wrigley, Flavia M Cicuttini, Christopher J Vertullo, Julian A Feller, Tim Whitehead, Price Gallie, David G Lloyd
BACKGROUND: Prevention of knee osteoarthritis (OA) following anterior cruciate ligament (ACL) rupture and reconstruction is vital. Risk of postreconstruction knee OA is markedly increased by concurrent meniscal injury. It is unclear whether reconstruction results in normal relationships between tibiofemoral contact forces and cartilage morphology and whether meniscal injury modulates these relationships. HYPOTHESES: Since patients with isolated reconstructions (ie, without meniscal injury) are at lower risk for knee OA, we predicted that relationships between tibiofemoral contact forces and cartilage morphology would be similar to those of normal, healthy knees 2 to 3 years postreconstruction...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28873348/management-of-traumatic-meniscal-tear-and-degenerative-meniscal-lesions-save-the-meniscus
#14
REVIEW
P Beaufils, N Pujol
Meniscectomy remains one of the most frequent orthopedic procedures, despite meniscal sparing having been advocated for several decades now. Incidence is excessive in the light of scientifically robust studies demonstrating the interest of meniscal repair or of nonoperative treatment for traumatic tear and of nonoperative treatment for degenerative meniscal lesions. It is high time that the paradigm shifted, in favor of meniscal preservation. In traumatic tear, and most particularly longitudinal vertical tear in vascularized zones, repair shows a high success rates in terms of recovery time, functional outcome and cartilage protection...
September 2, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28865577/saucerization-versus-complete-resection-of-a-symptomatic-discoid-lateral-meniscus-at-short-and-long-term-follow-up-a-systematic-review
#15
REVIEW
Dallas M Smuin, Richard D Swenson, Aman Dhawan
PURPOSE: To evaluate the surgical outcomes of symptomatic discoid menisci after total meniscectomy, saucerization, and suture repair of tears of a discoid meniscus at short- and long-term follow-up. METHODS: A systematic review was conducted using the Pubmed and ScienceDirect databases in adherence with Preferred Reporting Items of Systematic Reviews and Meta-Analysis guidelines. Short- and long-term follow-up were defined as an average follow-up of <4 years and >4 years, respectively...
September 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28852795/-meniscal-lesion-a%C3%A2-pre-osteoarthritic-condition-of-the-knee-joint
#16
REVIEW
L Goebel, J Reinhard, H Madry
BACKGROUND: A close relationship between meniscal damage and articular cartilage exist. Likewise, (partial) meniscectomy may lead to the development of osteoarthritis (OA). OBJECTIVES: With a special emphasis on therapeutic consequences for orthopaedic surgeons, the structural and functional relationship between meniscal tears/extrusion and cartilage loss, and/or the effect of meniscectomy or meniscal repair on the development of OA, are emphasized. MATERIALS AND METHODS: A selective literature review with implementation of own research findings...
August 29, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28852341/age-differences-in-the-prevalence-of-isolated-medial-and-lateral-meniscal-tears-in-surgically-treated-patients
#17
T J Ridley, Mark A McCarthy, Matthew J Bollier, Brian R Wolf, Annunziato Amendola
PURPOSE: To compare the prevalence of isolated lateral and medial meniscal tears in different aged populations. METHODS: A five-year retrospective review for meniscal procedures performed on a total of 782 patients. Each chart was reviewed to document the prevalence of medial or lateral meniscal injuries. Inclusion criteria were patients found to have documented evidence of meniscal tear, either lateral or medial, without any concomitant injuries and/or any other procedures performed...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28828058/arthroscopic-knee-anatomy-in-young-achondroplasia-patients
#18
M Del Pilar Duque Orozco, N C Record, K J Rogers, M B Bober, W G Mackenzie, A Atanda
PURPOSE: Achondroplasia is the most common form of skeletal dysplasia, affecting more than 250 000 individuals worldwide. In these patients, the developing knee undergoes multiple anatomical changes. The purpose of this study was to characterise the intra-articular knee anatomy in children with achondroplasia who underwent knee arthroscopy. METHODS: Records of achondroplasia patients who underwent knee arthroscopy between 2009 and 2014 were reviewed. Demographic data, operative reports, follow-up notes, MRI and arthroscopy images were reviewed...
June 1, 2017: Journal of Children's Orthopaedics
https://www.readbyqxmd.com/read/28815275/similar-failure-rate-in-immediate-post-operative-weight-bearing-versus-protected-weight-bearing-following-meniscal-repair-on-peripheral-vertical-meniscal-tears
#19
Bryan Perkins, Kyle R Gronbeck, Ruixian Alexander Yue, Marc A Tompkins
PURPOSE AND HYPOTHESIS: Post-operative weight bearing after meniscal repair is a point of debate among physicians. This study sought to evaluate whether patients adhering to an immediate WBAT rehabilitation programme have a higher failure rate compared to those adhering to a more traditional, protected, NWB status following meniscal repair. The null hypothesis was that there would be no difference in failure between the two groups. METHODS: A retrospective review of meniscal repair patients greater than 5 years from surgery was performed for patients receiving meniscal repair treatment...
August 16, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28809636/-arthroscopic-finding-of-knee-joint-in-relation-to-age-and-its-comparison-with-pre-operative-clinical-finding-a-retrospective-study
#20
P Látal, K Šimeček, M Kloub
PURPOSE OF THE STUDY In the retrospective study of two South Bohemian centres we present the comparison of pre-operative anamnestic clinical signs in relation to the arthroscopic intraoperative finding. The obtained data is used also to evaluate the arthroscopic finding in relation to age and sex. MATERIAL AND METHODS The arthroscopic findings of patients who underwent surgery in 2013-2014 period (1.1.2013-31.12.2014) at the Department of Trauma Surgery of České Budějovice Hospital, a.s. and in 2014 (1.1...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
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