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Meniscal lesions

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https://www.readbyqxmd.com/read/27894146/variables-associated-with-chondral-and-meniscal-injuries-in-anterior-cruciate-ligament-surgery
#1
E Lyle Cain, Glenn S Fleisig, Brent A Ponce, Hikel A Boohaker, Martha P George, Gerald McGwin, James R Andrews, Lawrence J Lemak, William G Clancy, Jeffrey R Dugas
This article aims to evaluate factors associated with chondral and meniscal lesions in primary and revision anterior cruciate ligament (ACL) reconstructions. ACL reconstructions from 2001 to 2008 at a single institution were retrospectively analyzed. Logistic regression was used to estimate the association between chondral and meniscal injuries and age, gender, tear chronicity, additional ligamentous injuries, sport type, and participation level. Of the 3,040 ACL reconstructions analyzed, 90.4% were primary reconstructions and 9...
November 28, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27893158/articular-cartilage-scores-in-cranial-cruciate-ligament-deficient-dogs-with-or-without-bucket-handle-tears-of-the-medial-meniscus
#2
Kathryn Kaufman, Brian S Beale, Howard D Thames, W Brian Saunders
OBJECTIVE: To compare articular cartilage scores in cranial cruciate ligament (CCL)-deficient dogs with or without concurrent bucket handle tears (BHT) of the medial meniscus. STUDY DESIGN: Retrospective case series. ANIMALS: Client-owned dogs treated with arthroscopy and tibial plateau leveling osteotomy or extracapsular repair for complete CCL rupture (290 stifles from 264 dogs). METHODS: Medical records and arthroscopic images were reviewed...
November 28, 2016: Veterinary Surgery: VS
https://www.readbyqxmd.com/read/27876676/anatomical-region-dependent-enhancement-of-3-dimensional-chondrogenic-differentiation-of-human-mesenchymal-stem-cells-by-soluble-meniscus-extracellular-matrix
#3
Benjamin B Rothrauff, Kazunori Shimomura, Riccardo Gottardi, Peter G Alexander, Rocky S Tuan
: Extracellular matrix (ECM) derived from decellularized tissues has been found to promote tissue neogenesis, most likely mediated by specific biochemical and physical signaling motifs that promote tissue-specific differentiation of progenitor cells. Decellularized ECM has been suggested to be efficacious for the repair of tissue injuries. However, decellularized meniscus contains a dense collagenous structure, which impedes cell seeding and infiltration and is not readily applicable for meniscus repair...
November 19, 2016: Acta Biomaterialia
https://www.readbyqxmd.com/read/27836691/the-genovese-grading-scale-is-not-reliable-for-mr-assessment-of-collagen-meniscus-implants
#4
A Hirschmann, F F Schiapparelli, L Schenk, L Keller, F Amsler, M T Hirschmann
BACKGROUND: The purpose of the study was to evaluate the intra- and inter-observer reliabilities of the Genovese grading on MRI in patients after collagen meniscus substitution. METHODS: 84 MRI images of 74 consecutive patients who underwent partial meniscus substitution using collagen meniscus implant (CMI) were assessed. MRIs were evaluated using the Genovese grading system. Furthermore, meniscal extrusion was assessed. Two observers performed the grading twice, blinded to each other and to the previous results, with a six weeks interval...
November 8, 2016: Knee
https://www.readbyqxmd.com/read/27832771/semi-quantitative-mri-biomarkers-of-knee-osteoarthritis-progression-in-the-fnih-biomarkers-consortium-cohort%C3%A2-%C3%A2-methodologic-aspects-and-definition-of-change
#5
Frank W Roemer, Ali Guermazi, Jamie E Collins, Elena Losina, Michael C Nevitt, John A Lynch, Jeffrey N Katz, C Kent Kwoh, Virginia B Kraus, David J Hunter
BACKGROUND: To describe the scoring methodology and MRI assessments used to evaluate the cross-sectional features observed in cases and controls, to define change over time for different MRI features, and to report the extent of changes over a 24-month period in the Foundation for National Institutes of Health Osteoarthritis Biomarkers Consortium study nested within the larger Osteoarthritis Initiative (OAI) Study. METHODS: We conducted a nested case-control study...
November 10, 2016: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/27803940/association-between-meniscal-and-chondral-lesions-and-timing-of-anterior-cruciate-ligament-reconstruction
#6
Gustavo Constantino de Campos, Wilton Nery, Paulo Eduardo Portes Teixeira, Paulo Henrique Araujo, Wilson de Mello Alves
BACKGROUND: Rupture of the anterior cruciate ligament (ACL) is a common sports injury and is known to be associated with an increased risk of knee osteoarthritis. Several studies have indicated that the risk of additional injuries to the menisci and articular cartilage increases with delays in the treatment of ACL tears. However, no consensus has been reached regarding the ideal timing for ACL reconstruction in terms of preventing secondary lesions. PURPOSE: To determine how the time elapsed between an ACL lesion and its reconstruction affects the incidence of meniscal and chondral lesions...
October 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27803938/biological-knee-reconstruction-with-concomitant-autologous-chondrocyte-implantation-and-meniscal-allograft-transplantation-mid-to-long-term-outcomes
#7
Takahiro Ogura, Tim Bryant, Tom Minas
BACKGROUND: Treating articular cartilage defects and meniscal deficiency is challenging. Although some short- to mid-term follow-up studies report good clinical outcomes after concurrent autologous chondrocyte implantation (ACI) and meniscal allograft transplantation (MAT), longer follow-up is needed. PURPOSE: To evaluate mid- to long-term outcomes after combined ACI with MAT. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: We performed a retrospective review of prospectively gathered data from patients who had undergone ACI with MAT between 1999 and 2013...
October 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27802963/does-the-chronicity-of-anterior-cruciate-ligament-ruptures-influence-patient-reported-outcomes-before-surgery
#8
Joseph T Nguyen, David Wasserstein, Emily K Reinke, Kurt P Spindler, Nabil Mehta, John B Doyle, Robert G Marx
BACKGROUND: The time between an anterior cruciate ligament (ACL) injury and ACL reconstruction (ACLR) may influence baseline knee-related and general health-related patient-reported outcome measures (PROMs). Despite the common use of PROMs as main outcomes in clinical studies, this variable has never been evaluated. PURPOSE: To compare baseline health-related quality of life measures and the prevalence/pattern of meniscal and articular cartilage lesions between patients who underwent acute and chronic ACLR so as to provide clinicians with benchmark PROMs in 2 different patient populations with ACL injuries...
November 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27798972/signs-of-knee-osteoarthritis-common-in-620-patients-undergoing-arthroscopic-surgery-for-meniscal-tear
#9
Kenneth Pihl, Martin Englund, L Stefan Lohmander, Uffe Jørgensen, Nis Nissen, Jeppe Schjerning, Jonas B Thorlund
Background and purpose - Recent evidence has questioned the effect of arthroscopic knee surgery for middle-aged and older patients with degenerative meniscal tears with or without concomitant radiographic knee osteoarthritis (OA). We investigated the prevalence of early or more established knee OA and patients' characteristics in a cohort of patients undergoing arthroscopic surgery for a meniscal tear. Patients and methods - 641 patients assigned for arthroscopy on suspicion of meniscus tear were consecutively recruited from February 2013 through January 2015...
November 1, 2016: Acta Orthopaedica
https://www.readbyqxmd.com/read/27776664/subchondral-insufficiency-fracture-of-the-knee-a-recognizable-associated-soft-tissue-edema-pattern-and-a-similar-distribution-among-men-and-women
#10
Andrew S Wilmot, Alexander T Ruutiainen, Prashant T Bakhru, Mark E Schweitzer, Nogah Shabshin
OBJECTIVE: Primary: to describe the presence and pattern of soft tissue edema in subchondral insufficiency fractures of the knee (SIFK). Secondary: to investigate the gender distribution and identify factors associated with disease progression. METHODS: MR images of 74 SIFKs in 74 patients were retrospectively reviewed for soft tissue edema presence and location, meniscal tears and extrusion and synovitis. The clinical records were reviewed for age, gender, and BMI...
November 2016: European Journal of Radiology
https://www.readbyqxmd.com/read/27771361/accuracy-of-mcmurray-and-joint-line-tenderness-tests-in-the-diagnosis-of-chronic-meniscal-tears-an-ad-hoc-roc-analysis-approach
#11
Marco Galli, Emanuele Marzetti
OBJECTIVES: To determine the overall diagnostic accuracy of the McMurray and Joint Line Tenderness (JLT) tests for the detection of meniscal lesions. DESIGN: Secondary analysis of a prospective observational study. SETTING: Orthopedics outpatient clinic, university hospital. PARTICIPANTS: Patients (n=56) with suspected non-acute meniscal lesions who underwent knee arthroscopy. INTERVENTIONS: Not applicable...
October 19, 2016: Archives of Physical Medicine and Rehabilitation
https://www.readbyqxmd.com/read/27761625/non-operative-management-of-medial-meniscus-posterior-horn-root-tears-is-associated-with-worsening-arthritis-and-poor-clinical-outcome-at-5-year-follow-up
#12
Aaron J Krych, Patrick J Reardon, Nick R Johnson, Rohith Mohan, Logan Peter, Bruce A Levy, Michael J Stuart
PURPOSE: Medial meniscus posterior root tears (MMPRTs) are a significant source of pain and dysfunction, but little is known about the natural history and outcome and for non-operative management of these lesions. The purpose of this study was to evaluate (1) the mid-term clinical and radiographic outcomes of non-operative treatment of MMPRTs and (2) risk factors for worse outcomes. METHODS: A retrospective review was performed for patients with symptomatic, unrepaired MMPRTs and a minimum 2-year follow-up for IKDC and Tegner outcome scores...
October 19, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27756382/post-arthroscopic-osteonecrosis-of-the-medial-tibial-plateau-a-case-series
#13
Axel Marx, Alexander Beier, Pouria Taheri, Martin Röpke, Thomas Kalinski, Andreas M Halder
BACKGROUND: Avascular necrosis after arthroscopic surgery of the knee has already been published. The purpose of this article is to report on the frequently misdiagnosed entity of osteonecrosis of the medial tibial plateau. CASE PRESENTATION: Charts and radiographs of a consecutive series with isolated medial tibial plateau osteonecrosis were analyzed. The criterion for inclusion was the absence of trauma. Six caucasian female patients with an average age of 76...
October 19, 2016: Journal of Medical Case Reports
https://www.readbyqxmd.com/read/27728930/-s2k-guideline-on-meniscus-diseases-from-aetiology-to-scoring
#14
C H Siebert, R Becker, M Buchner, J Förster, K-H Frosch, A Losch, P Niemeyer, S Scheffler
The number of patients with meniscal injuries is increasing constantly, but the treatment algorithms are undergoing continuous change. The effects of meniscal surgery, as well as the indications for the procedure, are currently a matter of heated debate. Various German speaking associations addressing topics related to the knee have joined forces to develop guidelines for the diagnosis, evaluation and therapy of meniscal lesions. The hope is that this first of two publications will shed light on some of the ongoing issues and offer guidance to health care professionals treating these patients...
October 11, 2016: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/27726749/posterior-root-meniscal-tears-preoperative-intraoperative-and-postoperative-imaging-for-transtibial-pullout-repair
#15
Andrew R Palisch, Ronald R Winters, Marc H Willis, Collin D Bray, Theodore B Shybut
The menisci play an important biomechanical role in axial load distribution of the knees by means of hoop strength, which is contingent on intact circumferentially oriented collagen fibers and meniscal root attachments. Disruption of the meniscal root attachments leads to altered biomechanics, resulting in progressive cartilage loss, osteoarthritis, and subchondral edema, with the potential for development of a subchondral insufficiency fracture. Identification of meniscal root tears at magnetic resonance (MR) imaging is crucial because new arthroscopic surgical techniques (transtibial pullout repair) have been developed to repair meniscal root tears and preserve the tibiofemoral cartilage of the knee...
October 2016: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/27726454/rapidly-dissociated-autologous-meniscus-tissue-enhances-meniscus-healing-an-in-vitro-study
#16
Piya-On Numpaisal, Benjamin B Rothrauff, Riccardo Gottardi, Chung-Liang Chien, Rocky S Tuan
PURPOSE: Treatment of meniscus tears is a persistent challenge in orthopedics. Although cell therapies have shown promise in promoting fibrocartilage formation in in vitro and preclinical studies, clinical application has been limited by the paucity of autologous tissue and the need for ex vivo cell expansion. Rapid dissociation of the free edges of the anterior and posterior meniscus with subsequent implantation in a meniscus lesion may overcome these limitations. The purpose of this study was to explore the effect of rapidly dissociated meniscus tissue in enhancing neotissue formation in a radial meniscus tear, as simulated in an in vitro explant model...
October 11, 2016: Connective Tissue Research
https://www.readbyqxmd.com/read/27709034/posterior-horn-of-medial-meniscal-peripheral-capsular-lesion-the-arthroscopic-repair-technique-working-in-the-posterior-compartment
#17
Pinkawas Kongmalai, Bancha Chernchujit
A posterior horn of medial meniscal peripheral capsular is usually associated with the anterior cruciate ligament injury. The conventional repair technique with the camera in the anterolateral portal cannot precisely restore the slope capsular synovium to the original attachment point. We present the arthroscopic technique for improving the accuracy and quality of the repair by working in the posterior compartment. When the posterolateral portal is used as the viewing portal, the accuracy of repair is improved because we can assess the full extent of the lesion and lift the sagging peripheral tissue to the more central part...
August 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27699479/intra-articular-pathology-associated-with-isolated-posterior-cruciate-ligament-injury-on-mri
#18
Michael D Ringler, Ezekiel E Shotts, Mark S Collins, B Matthew Howe
OBJECTIVE: Unlike with anterior cruciate ligament injury, little is known about the prevalence of intra-articular pathology associated with isolated posterior cruciate ligament (PCL) injury in the knee. The objectives of this study were to characterize and identify the frequency of meniscal tears and osteochondral injuries in these patients, and to see if management might be affected. MATERIALS AND METHODS: Altogether, 48 knee MRI exams with isolated PCL tears were evaluated for the presence of: grade and location of PCL tear, meniscal tear, articular chondral lesion, bone bruise, and fracture...
October 4, 2016: Skeletal Radiology
https://www.readbyqxmd.com/read/27696125/meniscal-allograft-subluxations-are-not-associated-with-preoperative-native-meniscal-subluxations
#19
Bum-Sik Lee, Seong-Il Bin, Jong-Min Kim, Jae Hyan Kim, Eic Ju Lim
PURPOSE: To determine the relationship between preoperative subluxation of the original menisci and postoperative graft subluxation after lateral meniscal allograft transplantation (MAT). METHODS: Fourteen patients who underwent isolated lateral MATs in meniscus-deficient knees with a low-grade chondral lesion (≤ICRS grade 2) were assessed. Lateral subluxation of the native meniscus before meniscectomy and those of remaining meniscal tissue before MAT were measured on mid-coronal MRI scans taken at each time point...
September 30, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27693100/diagnostic-validity-of-physical-examination-tests-for-common-knee-disorders-an-overview-of-systematic-reviews-and-meta-analysis
#20
Simon Décary, Philippe Ouellet, Pascal-André Vendittoli, Jean-Sébastien Roy, François Desmeules
INTRODUCTION: More evidence on diagnostic validity of physical examination tests for knee disorders is needed to lower frequently used and costly imaging tests. OBJECTIVE: To conduct a systematic review of systematic reviews (SR) and meta-analyses (MA) evaluating the diagnostic validity of physical examination tests for knee disorders. METHODS: A structured literature search was conducted in five databases until January 2016. Methodological quality was assessed using the AMSTAR...
August 5, 2016: Physical Therapy in Sport
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