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https://www.readbyqxmd.com/read/29791926/meniscus-repair-in-children-and-adolescents-a-systematic-review-of-treatment-approaches-meniscal-healing-and-outcomes
#1
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/29752501/it-is-safe-and-effective-to-use-all-inside-meniscal-repair-devices-for-posteromedial-meniscal-ramp-lesions
#2
Giles Heilpern, Jo Stephen, Simon Ball, Andrew Amis, Andy Williams
PURPOSE: Recently, it has been recognized that meniscocapsular ('ramp') lesions of the posterior one-third of the medial meniscus frequently occur during injuries causing ACL rupture, and that these lesions are easily missed at arthroscopy. Furthermore, it is clear that these lesions are biomechanically significant, adding to the deficits caused by ACL rupture, and that their repair can reverse this. The efficacy of an all inside repair technique has been questioned by some authors and by those who advocate a suture shuttle technique via an accessory posteromedial portal...
May 12, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29752059/risk-factors-for-abnormal-anteroposterior-knee-laxity-after-primary-anterior-cruciate-ligament-reconstruction
#3
Riccardo Cristiani, Magnus Forssblad, Björn Engström, Gunnar Edman, Anders Stålman
PURPOSE: To identify preoperative and intraoperative factors associated with abnormal anterior knee laxity after primary anterior cruciate ligament (ACL) reconstruction. METHODS: A total of 5,462 patients who underwent primary ACL reconstruction at our institution from January 2000 to October 2015, with no associated ligament injuries, were included. Demographic data, information regarding graft used, concomitant meniscal surgery, and instrumented laxity were reviewed...
May 8, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29717217/progression-of-post-traumatic-osteoarthritis-in-rat-meniscectomy-models-comprehensive-monitoring-using-mri
#4
Tonima S Ali, Indira Prasadam, Yin Xiao, Konstantin I Momot
Knee injury often triggers post-traumatic osteoarthritis (PTOA) that affects articular cartilage (AC), subchondral bone, meniscus and the synovial membrane. The available treatments for PTOA are largely ineffective due to late diagnosis past the "treatment window". This study aimed to develop a detailed understanding of the time line of the progression of PTOA in murine models through longitudinal observation of the femorotibial joint from the onset of the disease to the advanced stage. Quantitative magnetic resonance microimaging (µMRI) and histology were used to evaluate PTOA-associated changes in the knee joints of rats subjected to knee meniscectomy...
May 1, 2018: Scientific Reports
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
#5
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/29694643/quantitative-analysis-of-the-perimeniscal-position-of-the-inferior-lateral-genicular-artery-ilga-magnetic-resonance-imaging-study
#6
Jiwon Park, Sang Soo Lee, Tae Woo Kim
PURPOSE: The inferior lateral genicular artery (ILGA) passes around the lateral knee joint, adjacent to the lateral meniscus (LM). ILGA injuries in total knee arthroplasty or arthroscopic surgery can result in recurrent hemarthrosis or painful pseudoaneurysms. Detailed information about the perimeniscal position of the ILGA relative to the LM is necessary to avoid these complications. METHODS: 3-T MR images of 100 knees (mean age 36.3 ± 11.2 years) were retrospectively reviewed...
April 24, 2018: Surgical and Radiologic Anatomy: SRA
https://www.readbyqxmd.com/read/29685524/medial-meniscal-extrusion-detection-evaluation-and-clinical-implications
#7
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/29668032/presence-of-meniscus-tear-alters-gene-expression-profile-of-anterior-cruciate-ligament-tears
#8
Robert H Brophy, Marcus A Rothermich, Eric D Tycksen, Lei Cai, Muhammad Farooq Rai
Anterior cruciate ligament (ACL) tears occur in isolation or in tandem with other intra-articular injuries such as meniscus tears. The impact of injury pattern on the molecular biology of the injured ACL is unknown. Here, we tested the hypothesis that the biological response of the ACL to injury varies based on the presence or absence of concomitant meniscus tear. We performed RNA-seq on 28 ACL tears remnants (12 isolated, 16 combined). In total, 16,654 transcripts were differentially-expressed between isolated and combined injury groups at false-discovery-rate of 0...
April 18, 2018: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/29665604/-foreign-material-free-anterior-cruciate-ligament-repair-with-hamstring-graft-felmet-technique
#9
Marc Chmielnicki, Wolfram Siebert, Axel Prokop
Rupture of the anterior cruciate ligament (ACL) is a common sports injury. Shear forces can damage the articular cartilage and lead to early osteoarthritis. Ligamentary stabilisation of the knee is necessary. Today, arthroscopic ACL repair is a standard knee procedure. Transplant fixation is often performed using implants, e.g. interference screws. The foreign material-free procedure using the Felmet technique enables biological, mechanically stable fixation of the hamstring tendon graft. We demonstrate the surgical technique, including meniscus suture and a video case study...
April 2018: Zeitschrift Für Orthopädie und Unfallchirurgie
https://www.readbyqxmd.com/read/29662913/high-rate-of-missed-lateral-meniscus-posterior-root-tears-on-preoperative-magnetic-resonance-imaging
#10
Aaron J Krych, Isabella T Wu, Vishal S Desai, Naveen S Murthy, Mark S Collins, Daniel B F Saris, Bruce A Levy, Michael J Stuart
Background: Lateral meniscus posterior root tears (LMPRTs), if left untreated, can cause devastating effects to the knee, with rapid articular cartilage degeneration and loss of the meniscus as a secondary stabilizer. Detection and surgical repair of these defects have been linked to favorable outcomes, but preoperative identification of LMPRTs continues to be challenging. Purpose: To determine the rate of LMPRTs diagnosed preoperatively on magnetic resonance imaging (MRI) in a consecutive series of arthroscopically confirmed LMPRTs...
April 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29659299/low-1-year-return-to-sport-rate-after-anterior-cruciate-ligament-reconstruction-regardless-of-patient-and-surgical-factors-a-prospective-cohort-study-of-272-patients
#11
Eric Hamrin Senorski, Eleonor Svantesson, Susanne Beischer, Christoffer Thomeé, Roland Thomeé, Jón Karlsson, Kristian Samuelsson
BACKGROUND: There is insufficient knowledge about the way that concomitant injuries affect the short-term likelihood of a return to a knee-strenuous sport after anterior cruciate ligament (ACL) reconstruction. Hypotheses/Purpose: The purpose was to study whether patient characteristics, concomitant injuries, and graft choice at primary ACL reconstruction can predict return to sport (RTS) 1 year after surgery. The hypotheses were that younger age at the time of ACL reconstruction would positively affect RTS, while the presence of concomitant injuries would negatively affect RTS 1 year after surgery...
April 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29658360/hyaluronic-acid-promotes-proliferation-and-migration-of-human-meniscus-cells-via-a-cd44-dependent-mechanism
#12
Tomohiko Murakami, Shuhei Otsuki, Yoshinori Okamoto, Kosuke Nakagawa, Hitoshi Wakama, Nobuhiro Okuno, Masashi Neo
PURPOSE: Treatment of meniscal injury is important for osteoarthritis (OA) prevention. Meniscus cells are divided between inner and outer cells, which have different characteristics and vascularity. We evaluated the effects of hyaluronic acid (HA) on the proliferation and migration of human inner and outer meniscus cells, and investigated the underlying healing mechanisms. MATERIALS AND METHODS: Lateral menisci from 18 patients who underwent total knee arthroplasty were used...
April 15, 2018: Connective Tissue Research
https://www.readbyqxmd.com/read/29653240/medial-meniscus-posterior-root-tear-induces-pathological-posterior-extrusion-of-the-meniscus-in-the-knee-flexed-position-an-open-magnetic-resonance-imaging-analysis
#13
S Masuda, T Furumatsu, Y Okazaki, Y Kodama, T Hino, Y Kamatsuki, S Miyazawa, T Ozaki
BACKGROUND: A medial meniscus posterior root tear (MMPRT) is defined as an injury to the posterior meniscal insertion on the tibia. In MMPRT, the medial meniscus (MM) hoop function is damaged, and the MM undergoes a medial extrusion into the interior from the superior articular surface of the tibia. However, the details of MM position and movement during knee joint movement are unclear in MMPRT cases. The present study aims to evaluate MM position and movement via magnetic resonance imaging (MRI) examination of the MM posterior extrusion (MMPE) at knee flexion angles of 10° and 90°...
April 10, 2018: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29648924/operative-treatment-of-isolated-meniscus-injuries-in-adolescent-patients-a-meta-analysis-and-review
#14
Gina M Mosich, Virginia Lieu, Edward Ebramzadeh, Jennifer J Beck
CONTEXT: With the rise in sports participation and increased athleticism in the adolescent population, there is an ever-growing need to better understand adolescent meniscus pathology and treatment. OBJECTIVE: To better understand the operative management of meniscus tears in the adolescent population. DATA SOURCES: A systematic review of PubMed (MEDLINE) and Google Scholar was performed for all archived years. STUDY SELECTION: Studies that reported on isolated meniscus tears in adolescent patients (age, 10-19 years) were included...
April 1, 2018: Sports Health
https://www.readbyqxmd.com/read/29619124/the-value-of-phenotypes-in-knee-osteoarthritis-research
#15
REVIEW
Fred R T Nelson
Background: Over the past decade, phenotypes have been used to help categorize knee osteoarthritis patients relative to being subject to disease, disease progression, and treatment response. A review of potential phenotype selection is now appropriate. The appeal of using phenotypes is that they most rely on simple physical examination, clinically routine imaging, and demographics. The purpose of this review is to describe the panoply of phenotypes that can be potentially used in osteoarthritis research...
2018: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/29614621/three-dimensional-finite-element-analysis-of-the-influence-of-posterior-tibial-slope-on-the-anterior-cruciate-ligament-and-knee-joint-forward-stability
#16
Yong Qi, Hongtao Sun, Yueguang Fan, Feimeng Li, Yunting Wang, Chana Ge
OBJECTIVE: To explore the biomechanical influence of posterior tibial angle on the anterior cruciate ligament and knee joint forward stability. METHODS: The left knee joint of a healthy volunteer was scanned by CT and MRI. The data were imported into Mimics software to obtain 3D models of bone, cartilage, meniscus and ligament structures, and then Geomagic software was used to modify of the image. The relative displacement between tibia and femur and the stress of ACL were recorded...
March 23, 2018: Journal of Back and Musculoskeletal Rehabilitation
https://www.readbyqxmd.com/read/29607459/the-role-of-meniscal-repair-for-prevention-of-early-onset-of-osteoarthritis
#17
REVIEW
Johannes Weber, Matthias Koch, Peter Angele, Johannes Zellner
BACKGROUND: The meniscus plays an important role in the integrity of the knee joint. Therefore, meniscus tissue preserving techniques for the therapy of meniscus injuries seem to be reasonable. One of the important questions is whether meniscal repair can prevent the knee joint from early onset of osteoarthritis. METHODS: According to the review of the current literature, the principles of a successful meniscal repair are explained and the functional outcome and its impact on the prevention of osteoarthritis are analyzed in this article...
April 2, 2018: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/29600679/-diagnostic-value-of-mri-for-posterior-root-tear-of-medial-and-lateral-meniscus
#18
Yue-Nan Qian, Fang Liu, Yi-Long Dong, Chun-Yuan Cai
OBJECTIVE: To explore diagnostic value of MRI on posterior root tear of medial and lateral meniscus. METHODS: From January 2012 to January 2016, clinical data of 43 patients with meniscal posterior root tear confirmed by arthroscopy were retrospective analyzed, including 25 males and 18 females, aged from 27 to 69 years old with an average age of(42.5±8.3)years old;27 cases on the right side and 16 cases on the left side. MRI examinations of 43 patients with tear of posterior meniscus root confirmed by knee arthroscopies were retrospectively reviewed...
March 25, 2018: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29598844/effect-of-bmi-on-outcomes-of-surgical-treatment-for-tibial-plateau-fractures-a-comparative-retrospective-case-series-study
#19
Yaşar Mahsut Dinçel, Ali Öner, Yavuz Arikan, Sever Çaglar, Raşit Özcafer, Mehmet Akif Güleç
PURPOSE: Tibia plateau fracture (TPF) treatment aims at achieving a stable, aligned, mobile, painless knee and preventing post-traumatic osteoarthritis. To achieve this goal, surgeons consider criteria such as patients' characteristics, severity, risk of complications, fracture displacement/depression, degree of soft tissue injury. However, body mass index (BMI) is not considered as a risk factor in literature. Our study was conducted to find out any possible correlation between BMI and functional scores or radiological score separately...
March 2, 2018: Chinese Journal of Traumatology, Zhonghua Chuang Shang za Zhi
https://www.readbyqxmd.com/read/29581987/biochemical-stimulus-based-strategies-for-meniscus-tissue-engineering-and-regeneration
#20
REVIEW
Mingxue Chen, Weimin Guo, Shunag Gao, Chunxiang Hao, Shi Shen, Zengzeng Zhang, Zhenyong Wang, Zehao Wang, Xu Li, Xiaoguang Jing, Xueliang Zhang, Zhiguo Yuan, Mingjie Wang, Yu Zhang, Jiang Peng, Aiyuan Wang, Yu Wang, Xiang Sui, Shuyun Liu, Quanyi Guo
Meniscus injuries are very common and still pose a challenge for the orthopedic surgeon. Meniscus injuries in the inner two-thirds of the meniscus remain incurable. Tissue-engineered meniscus strategies seem to offer a new approach for treating meniscus injuries with a combination of seed cells, scaffolds, and biochemical or biomechanical stimulation. Cell- or scaffold-based strategies play a pivotal role in meniscus regeneration. Similarly, biochemical and biomechanical stimulation are also important. Seed cells and scaffolds can be used to construct a tissue-engineered tissue; however, stimulation to enhance tissue maturation and remodeling is still needed...
2018: BioMed Research International
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