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Lateral meniscus tear

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https://www.readbyqxmd.com/read/28238962/a-new-aiming-guide-can-create-the-tibial-tunnel-at-favorable-position-in-transtibialpullout-repair-for-the-medial-meniscus-posterior-root-tear
#1
Takayuki Furumatsu, Yuya Kodama, Masataka Fujii, Takaaki Tanaka, Tomohito Hino, Yusuke Kamatsuki, Kazuki Yamada, Shinichi Miyazawa, Toshifumi Ozaki
INTRODUCTION: Injuries to the medial meniscus (MM) posterior root lead to accelerated cartilage degeneration of the knee. An anatomic placement of the MM posterior root attachment is considered to be critical in transtibial pullout repair of the medial meniscus posterior root tear (MMPRT). However, tibial tunnel creation at the anatomic attachment of the MM posterior root is technically difficult using a conventional aiming device. The aim of this study was to compare two aiming guides...
February 23, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/28229984/anatomical-knee-variants-in-discoid-lateral-meniscal-tears
#2
Xu-Xu Chen, Jian Li, Tao Wang, Yang Zhao, Hui Kang
BACKGROUND: Discoid lateral meniscus was a common meniscal dysplasia and was predisposed to tear. There were some anatomical knee variants in patients with discoid lateral meniscus. The aim of this study was to analyze the relationship between anatomical knee variants and discoid lateral meniscal tears. METHODS: There were totally 125 cases of discoid lateral meniscus enrolled in this study from February 2008 to December 2013. Eighty-seven patients who underwent arthroscopic surgery for right torn discoid lateral meniscus were enrolled in the torn group...
2017: Chinese Medical Journal
https://www.readbyqxmd.com/read/28190582/correlation-of-parameters-on-preoperative-ct-images-with-intra-articular-soft-tissue-injuries-in-acute-tibial-plateau-fractures-a-review-of-132-patients-receiving-arif
#3
Hao-Che Tang, I-Jung Chen, Yu-Cheng Yeh, Chun-Jui Weng, Shih-Sheng Chang, Alvin Chao-Yu Chen, Yi-Sheng Chan
INTRODUCTION: Tibial plateau fractures often occur in conjunction with soft-tissue injuries of knees. The hypothesis of this study is that parameters of CT imaging can predict intra-articular soft-tissue injuries. PATIENTS AND METHODS: Patients who underwent arthroscopically assisted reduction and internal fixation (ARIF) for acute tibial plateau fractures performed by a single orthopedic surgeon between 2005 and 2015 were included in this retrospective study. Patients with concomitant ipsilateral femoral fractures, who had received revision surgery or who had undergone index surgery more than 30days from the event were excluded...
January 30, 2017: Injury
https://www.readbyqxmd.com/read/28164061/arthroscopic-meniscectomy-and-meniscoplasty-for-a-torn-discoid-medial-meniscus-case-report-surgical-technique-and-literature-review
#4
Gokhale Nikhil Abhay, Samant Ashwin, Shahane Sunil, Kapopara Hardik
INTRODUCTION: Normal menisci of the knee are semilunar structures. Sometimes, a meniscus may be found to be thickened and disc like and is called a discoid meniscus. Such a discoid variant is usually found in the lateral meniscus. Its occurrence in the medial meniscus is extremely rare. CASE REPORT: We report a case of an 18-year-old female, who presented to us with knee pain and was found to have a discoid medial meniscus with a tear. We operated on her arthroscopically and performed meniscectomy and meniscoplasty...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28164045/ipsilateral-medial-and-lateral-discoid-meniscus-with-medial-meniscus-tear
#5
Kengo Shimozaki, Junsuke Nakase, Yoshinori Ohashi, Hitoaki Numata, Takeshi Oshima, Yasushi Takata, Hiroyuki Tsuchiya
INTRODUCTION: Discoid meniscus is a well-documented knee pathology, and there are many cases of medial or lateral discoid meniscus reported in the literature. However, ipsilateral concurrent medial and lateral discoid meniscus is very rare, and only a few cases have been reported. Herein, we report a case of concurrent medial and lateral discoid meniscus. CASE REPORT: A 27-year-old Japanese man complained of pain on medial joint space in his right knee that was diagnosed as a complete medial and lateral discoid meniscus...
September 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28160013/high-tibial-osteotomy-accelerates-lateral-compartment-osteoarthritis-in-discoid-meniscus-patients
#6
Jatin Prakash, Eun-Kyoo Song, Hong An Lim, Young Joo Shin, Cheng Jin, Jong-Keun Seon
PURPOSE: The valgus high tibial osteotomy (HTO) in patients with medial osteoarthritis and discoid lateral meniscus can result in increased load on the lateral compartment and hence a higher chances of tear. This may accelerate the progression of osteoarthritis on lateral compartment. We, therefore, carried out the case control study with a hypothesis that an HTO would accelerate the progression of osteoarthritis (OA) on lateral compartment in patients with complete discoid meniscus. METHODS: The records of all patients with open wedge HTO from 2008 to 2012 were evaluated for complete lateral discoid meniscus...
February 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28142351/epidemiology-of-surgically-managed-anterior-cruciate-ligament-ruptures-in-a-sports-surgery-practice
#7
Andrew Arjun Sayampanathan, Bryan Koh Thean Howe, Hamid Rahmatullah Bin Abd Razak, Chong Hwei Chi, Andrew Hwee Chye Tan
INTRODUCTION: Anterior cruciate ligament (ACL) tears are common knee injuries, especially among sportsmen and sportswomen. The aim of this study is to better understand the epidemiology of surgically managed ACL tears sustained in our institution. METHODS: All patients who underwent arthroscopic ACL reconstruction by the senior author of this article in Singapore from 2008 to 2013 were studied. Patients who were diagnosed clinically and/or radiologically to have a complete tear of the ACL and subsequently underwent arthroscopic ACL reconstruction were included...
January 2017: Journal of Orthopaedic Surgery
https://www.readbyqxmd.com/read/28139016/a-human-blood-based-anti-inflammatory-solution-inhibits-osteoarthritis-progression-in-a-meniscal-tear-rat-study
#8
William King, Alison Bendele, Taylor Marohl, Jennifer Woodell-May
Current osteoarthritis (OA) research searches for treatments that modify the course of disease progression. Autologous Protein Solution (APS) is derived from whole blood and is a unique autologous therapy that contains high concentrations of white blood cells, platelets, and concentrated plasma, providing cytokines that can target the underlying mechanisms of disease progression. The APS Kit is currently under investigation for clinical use in the USA (NCT02262364). The aim of this study was to determine if APS has disease-modifying properties in the well-characterized rat meniscal tear-induced model of OA...
January 31, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28125675/a-special-tear-pattern-of-anterior-horn-of-the-lateral-meniscus-macerated-tear
#9
Jiapeng Zheng, Wenliang Zhai, Qiang Li, Qianxin Jia, Dasheng Lin
BACKGROUND: We describe a special, interesting phenomenon found in the anterior horn of the lateral meniscus (AHLM): most tear patterns in the AHLM are distinctive, with loose fibers in injured region and circumferential fiber bundles were separated. We name it as macerated tear. The goal of this study was to bring forward a new type of meniscal tear in the AHLM and investigate its clinical value. MATERIALS AND METHODS: AHLM tears underwent arthroscopic surgery from January 2012 to December 2014 were included...
2017: PloS One
https://www.readbyqxmd.com/read/28116255/post-traumatic-medial-meniscal-cyst-in-young-a-case-report
#10
Prafulla Herode, Abhijeet Shroff, Vishal Mandlewala, Amit Chaudhary
INTRODUCTION: Meniscal cysts are rare, in that cysts of lateral meniscus are 3 times to 10 times more common than those of medial meniscus. Etiology of meniscal cysts includes trauma which results in contusion and haemorrage within the substance of meniscus leading to mucoid degeneration. Degeneration with age results in local necrosis and mucoid degeneration into a cyst, developmental inclusion of synovial cells within the substance of the meniscus and often are a result of extrusion of synovial fluid through a tear of the meniscus, resulting in a one-way valve effect of the tear...
July 2016: Journal of Orthopaedic Case Reports
https://www.readbyqxmd.com/read/28093371/sonographically-guided-knee-meniscus-injections-feasibility-techniques-and-validation
#11
Michael R Baria, Jacob L Sellon, Dan Lueders, Jay Smith
BACKGROUND: There is a growing interest in the use of biologic agents such as platelet-rich plasma and mesenchymal stem/stromal cells to treat musculoskeletal injuries, including meniscal tears. Although previous research has documented the role of diagnostic ultrasound to evaluate meniscal tears, sonographically guided (SG) techniques to specifically deliver therapeutic agents into the meniscus have not been described. OBJECTIVE: To describe and validate SG injection techniques for the body and posterior horn of the medial and lateral meniscus...
January 16, 2017: PM & R: the Journal of Injury, Function, and Rehabilitation
https://www.readbyqxmd.com/read/28012004/post-operative-deformation-and-extrusion-of-the-discoid-lateral-meniscus-following-a-partial-meniscectomy-with-repair
#12
Tomohiko Matsuo, Kazutaka Kinugasa, Kousuke Sakata, Tomoki Ohori, Tatsuo Mae, Masayuki Hamada
PURPOSE: The purpose of this study was to investigate the morphology of the discoid lateral meniscus sequentially following a partial meniscectomy with repair using magnetic resonance imaging (MRI). METHODS: Nine patients with a symptomatic discoid lateral meniscus with a peripheral tear were enrolled in this study, and a partial meniscectomy with repair was performed arthroscopically. An MRI examination was performed 2 weeks after surgery (before weight bearing was permitted) and again 6 months after surgery (when sporting activities could resume)...
December 23, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28012003/effect-of-radial-meniscal-tear-on-in-situ-forces-of-meniscus-and-tibiofemoral-relationship
#13
Yuta Tachibana, Tatsuo Mae, Hiromichi Fujie, Konsei Shino, Tomoki Ohori, Hideki Yoshikawa, Ken Nakata
PURPOSE: To clarify the effect of the radial tear of the lateral meniscus on the in situ meniscus force and the tibiofemoral relationship under axial loads and valgus torques. METHODS: Ten intact porcine knees were settled to a 6-degree of freedom robotic system, while the force and 3-dimensional path of the knees were recorded via Universal Force Sensor (UFS) during 3 cycles of 250-N axial load and 5-Nm valgus torque at 15°, 30°, 45°, and 60° of knee flexion...
December 23, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28003668/concurrent-lateral-meniscal-repair-with-anterior-cruciate-ligament-reconstruction-induces-the-extrusion-of-the-lateral-meniscus-assessments-of-magnetic-resonance-images
#14
Naoko Kashihara, Takayuki Furumatsu, Yuya Kodama, Takaaki Tanaka, Toshifumi Ozaki
Concurrent meniscal repair with anterior cruciate ligament (ACL) reconstruction has shown good clinical outcomes, but it has a considerable risk of progressing to post-traumatic osteoarthritis of the knee. Here we investigated postoperative changes in the position of the lateral meniscus (LM) and assessed the short-term clinical results after concurrent LM repair with ACL reconstruction. Twentyseven patients underwent LM repair of a peripheral longitudinal tear concomitant with ACL reconstruction. We evaluated the preoperative and postoperative values of the Lysholm score and anteroposterior instability...
December 2016: Acta Medica Okayama
https://www.readbyqxmd.com/read/28002906/tears-of-popliteomeniscal-fascicles-diagnostic-and-clinical-implications-a-review-of-the-evidence
#15
R Papalia, R Simonetta, G Di Vico, G Torre, L Saccone, J Espregueira-Mendes, V Denaro
Postero-lateral corner of the knee is composed of several structures including the popliteo-meniscal fascicles (PMFs). These fibrous structures form a stable ligamentous complex around the popliteus tendon, which stabilize the lateral meniscus, increasing the strength of postero-lateral corner. Studies were retrieved through an electronic search of CINAHL, EMBASE, and Pub-Med, until May 2016. Studies in English, Italian, French, and Spanish were considered for inclusion. Randomized controlled trials, prospective and retrospective comparative studies, case series, and case reports were included...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/28002905/arthroscopic-all-inside-treatment-of-popliteomeniscal-fascicles-tears-surgical-technique-and-results-from-the-first-6-consecutive-patients
#16
R Simonetta, G Di Vico, R Papalia, S Vasta, V Denaro
Athletes whose knees are subjected to sudden changes of direction and high jumps such as martial arts athletes, dancers, wrestlers and football players are at higher risk of injuring popliteomeniscal fascicles. Painful squatting and mechanical symptoms such as locking sensation are common. Current available treatments includes open or arthroscopic in repair. Arthroscopic repair with all-inside device can relieve symptoms and restore knee function. Six patients from two surgical centers with isolated popliteomeniscal fascicles tears were treated with arthroscopic all-inside repair...
October 2016: Journal of Biological Regulators and Homeostatic Agents
https://www.readbyqxmd.com/read/27939623/factors-associated-with-meniscal-body-extrusion-on-knee-mri-in-overweight-and-obese-women
#17
F Zhang, S M Bierma-Zeinstra, E H G Oei, A Turkiewicz, M Englund, J Runhaar
OBJECTIVE: To determine factors associated with higher degree of meniscal body extrusion in overweight and obese women at high risk of knee osteoarthritis (OA). DESIGN: We used baseline data of the PRevention of knee Osteoarthritis in Overweight Females (PROOF) study, Netherlands, comprising overweight or obese women aged 50-60 years, free of clinical knee OA. All subjects completed a questionnaire on knee complaints and physical activity, underwent physical examination, radiography, and 1...
December 7, 2016: Osteoarthritis and Cartilage
https://www.readbyqxmd.com/read/27919916/posterior-meniscal-root-repairs-outcomes-of-an-anatomic-transtibial-pull-out-technique
#18
Robert F LaPrade, Lauren M Matheny, Samuel G Moulton, Evan W James, Chase S Dean
BACKGROUND: Outcomes after transtibial pull-out repair for posterior meniscal root tears remain underreported, and factors that may affect outcomes are unknown. PURPOSE/HYPOTHESIS: The purpose of this study was to compare patient-centered outcomes after transtibial pull-out repair for posterior root tears in patients <50 and ≥50 years of age. We hypothesized that improvement in function and activity level at minimum 2-year follow-up would be similar among patients <50 years of age compared with patients ≥50 years and among patients undergoing medial versus lateral root repairs...
December 5, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27911285/the-relation-between-chondromalacia-patella-and-meniscal-tear-and-the-sulcus-angle-trochlear-depth-ratio-as-a-powerful-predictor
#19
Hatice Resorlu, Coskun Zateri, Gurdal Nusran, Ferdi Goksel, Nilufer Aylanc
PURPOSE: To investigate the relation between chondromalacia patella and the sulcus angle/trochlear depth ratio as a marker of trochlear morphology. In addition, we also planned to show the relationship between meniscus damage, subcutaneous adipose tissue thickness as a marker of obesity, patellar tilt angle and chondromalacia patella. METHODS: Patients with trauma, rheumatologic disease, a history of knee surgery and patellar variations such as patella alba and patella baja were excluded...
November 25, 2016: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/27899354/collagenous-ultrastructure-of-the-discoid-meniscus-a-transmission-electron-microscopy-study
#20
Young-Hee Choi, Young-Jin Seo, Jong Mun Ha, Koo Hyun Jung, Jeehyoung Kim, Si Young Song
BACKGROUND: The collagen ultrastructure of the discoid lateral meniscus (DLM) has not been precisely defined. PURPOSE: To investigate the ultrastructure of the DLM, focusing on its collagen fibers, and to compare the collagen net architecture between intact and torn DLMs using the Collagen Meniscal Architecture (CMA) scoring system. STUDY DESIGN: Descriptive laboratory study. METHODS: Thirty specimens were taken from 30 patients with a diagnosis of a complete DLM using a 1-piece technique...
November 29, 2016: American Journal of Sports Medicine
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