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Knee menisci tears

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https://www.readbyqxmd.com/read/29804224/incidence-and-patterns-of-meniscal-tears-accompanying-the-anterior-cruciate-ligament-injury-possible-local-and-generalized-risk-factors
#1
Ashraf El Mansori, Timothy Lording, Antoine Schneider, Raphael Dumas, Elvire Servien, Sebastien Lustig
AIM OF THE WORK: Injury to the anterior cruciate ligament (ACL) is frequently accompanied by tears of the menisci. Some of these tears occur at the time of injury, but others develop over time in the ACL-deficient knee. The aim of this study was to evaluate the effects of the patient characteristics, time from injury (TFI), and posterior tibial slope (PTS) on meniscal tear patterns. Our hypothesis was that meniscal tears would occur more frequently in ACL-deficient knees with increasing age, weight, TFI, PTS, and in male patients...
May 26, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29789912/meniscal-pathologies-on-mri-correlate-with-increased-bone-tracer-uptake-in-spect-ct
#2
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/29772990/the-effects-of-meniscal-geometry-on-susceptibility-for-meniscal-and-acl-injury-in-non-arthritic-knees-a-retrospective-case-control-study
#3
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/29754495/evaluation-of-anterior-intermeniscal-ligament-in-discoid-lateral-meniscus-cases-and-presenting-the-accompanying-meniscal-pathologies-with-mri
#4
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/29685524/medial-meniscal-extrusion-detection-evaluation-and-clinical-implications
#5
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
https://www.readbyqxmd.com/read/29682310/rehabilitation-following-meniscal-repair-a-systematic-review
#6
Robert C Spang Iii, Michael C Nasr, Amin Mohamadi, Joseph P DeAngelis, Ara Nazarian, Arun J Ramappa
Objective: To review existing biomechanical and clinical evidence regarding postoperative weight-bearing and range of motion restrictions for patients following meniscal repair surgery. Methods and data sources: Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guideline, we searched MEDLINE using following search strategy: (((("Weight-Bearing/physiology"[Mesh]) OR "Range of Motion, Articular"[Mesh]) OR "Rehabilitation"[Mesh])) AND ("Menisci, Tibial"[Mesh])...
2018: BMJ Open Sport & Exercise Medicine
https://www.readbyqxmd.com/read/29525549/comparative-postural-stability-in-patients-with-lateral-meniscus-versus-medial-meniscus-tears
#7
Jin-Hyuck Lee, Jae-Won Heo, Dae-Hee Lee
BACKGROUND: Types of mechanoreceptors may differ between the medial and lateral menisci, suggesting that postural stability may differ between patients with medial and lateral meniscus tears. However, to date, postural stability has not been compared in patients with medial and lateral meniscus tears. This study used stabilometry to compare postural stability in patients with medial and lateral meniscus tears. METHODS: Postural stability and thigh muscle strength were assessed in 24 patients with medial and 18 patients with lateral meniscus tears...
March 2018: Knee
https://www.readbyqxmd.com/read/29498884/alteration-of-knee-kinematics-after-anatomic-anterior-cruciate-ligament-reconstruction-is-dependent-on-associated-meniscal-injury
#8
Berkcan Akpinar, Eric Thorhauer, James J Irrgang, Scott Tashman, Freddie H Fu, William J Anderst
BACKGROUND: Limited in vivo kinematic information exists on managing meniscal injury during anterior cruciate ligament reconstruction (ACLR). HYPOTHESIS: Isolated anatomic ACLR restores knee kinematics, whereas ACLR in the presence of medial meniscal injury is associated with altered long-term knee kinematics. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: From March 2011 to December 2012, 49 of 57 participants in a clinical trial underwent anatomic ACLR with successful kinematic testing at 24 months after ACLR...
April 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29453584/variations-in-the-attachments-of-the-medial-meniscal-anterior-horn-a-descriptive-cadaveric-study
#9
Innocent Ouko, James Kigera, Kevin Ongeti, Anne Pulei
PURPOSE: Meniscal tears are common in Kenya, with prevalence rates ranging from 45 to 78% of intracapsular knee pathology. Diagnosis of these injuries relies on the use of both clinical signs and symptoms as well as radiological investigations. In a few instances, radiological detection could be difficult, partly because of variant attachment patterns of the medial meniscal anterior horn. Some of these unusual attachments of the anterior horn of the medial meniscus could even be mistaken for meniscal tears...
February 16, 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29443758/a-novel-arthroscopic-all-inside-suture-technique-using-the-fast-fix-360-system-for-repairing-horizontal-meniscal-tears-in-young-athletes-3-case-reports
#10
Satoru Atsumi, Kunio Hara, Yuji Arai, Manabu Yamada, Naoki Mizoshiri, Aguri Kamitani, Toshikazu Kubo
RATIONALE: Considering the risk of osteoarthritis following resection of a horizontally torn meniscus of the knee, repairing and preserving the meniscus as much as possible is preferred. We report 3 cases of restoration of horizontally torn menisci using a novel arthroscopic method we have called "all-inside interleaf vertical suture" that afforded preservation. PATIENT CONCERNS: The 3 patients (aged 14, 17, and 21 years) had knee pain through sports activity...
February 2018: Medicine (Baltimore)
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
#11
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/29183885/can-we-predict-the-clinical-outcome-of-arthroscopic-partial-meniscectomy-a-systematic-review
#12
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...
April 2018: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/29145286/bilateral-discoid-medial-meniscus-associated-with-meniscal-tears-and-hypoplasia-of-the-medial-femoral-condyle-a-case-report
#13
Hong-De Wang, Shi-Jun Gao
RATIONALE: Bilateral discoid medial menisci is an extremely rare abnormality of the knee joint. The presence of a discoid medial meniscus has been associated with magnetic resonance imaging (MRI) and radiographic changes in the tibial region, such as cupping of the medial tibial plateau and tibial physis collapse. While discoid medial meniscal tears with hypoplasia of the femoral medial condyles have not been previously reported. Herein, we report a case of bilateral discoid medial menisci associated with meniscal tears and femoral bone changes...
November 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29065035/the-effect-of-soft-tissue-injuries-on-clinical-outcomes-after-tibial-plateau-fracture-fixation
#14
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: To determine if ligamentous and meniscal injuries as determined by initial magnetic resonance imaging altered clinical outcomes after 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 magnetic resonance imaging (MRI), and a minimum of 12 months of clinical outcomes...
March 2018: Journal of Orthopaedic Trauma
https://www.readbyqxmd.com/read/29059110/discoid-lateral-meniscus-in-children-diagnosis-management-and-outcomes
#15
REVIEW
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/29017608/autologous-mesenchymal-stem-cells-or-meniscal-cells-what-is-the-best-cell-source-for-regenerative-meniscus-treatment-in-an-early-osteoarthritis-situation
#16
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/28966381/meniscal-preservation-is-important-for-the-knee-joint
#17
Shantanu Sudhakar Patil, Anshu Shekhar, Sachin Ramchandra Tapasvi
Native joint preservation has gained importance in recent years. This is mostly to find solutions for limitations of arthroplasty. In the knee joint, the menisci perform critical functions, adding stability during range of motion and efficiently transferring load across the tibiofemoral articulation while protecting the cartilage. The menisci are the most common injury seen by orthopedicians, especially in the younger active patients. Advances in technology and our knowledge on functioning of the knee joint have made meniscus repair an important mode of treatment...
September 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28933331/-comparison-of-the-arthroscopic-finding-in-the-knee-joint-and-the-mri-retrospective-study
#18
COMPARATIVE STUDY
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/28918786/-treatment-of-meniscal-pathology
#19
Martin Wyman Rathcke, Martin Lind, Morten Ilum Boesen, Nis Nissen, Anders Ploug Boesen, Bjarne Mygind-Klavsen, Per Hölmich
The menisci play a major role in knee function regarding joint movement, stability, load distribution and load transmission. Injuries to the menisci cause pain, and meniscal tears are a common reason for patient referral. In Denmark, partial meniscectomy increased significantly until 2010, and several studies have questioned the long-term effect of meniscectomy as an overall procedure. A Danish national clinical guideline on knee meniscal pathology was published in May 2016, and this article is a short summary of updated knowledge on meniscal pathology and relevant conclusions from the guideline...
September 18, 2017: Ugeskrift for Laeger
https://www.readbyqxmd.com/read/28852795/-meniscal-lesion-a-pre-osteoarthritic-condition-of-the-knee-joint
#20
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...
October 2017: Der Orthopäde
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