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Meniscus repair, meniscus allograft

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https://www.readbyqxmd.com/read/29556892/successful-anterior-cruciate-ligament-reconstruction-and-meniscal-repair-in-osteogenesis-imperfecta
#1
Jae-Young Park, Tae-Joon Cho, Myung Chul Lee, Hyuk-Soo Han
A case of anterior cruciate ligament (ACL) reconstruction with meniscal repair in an osteogenesis imperfecta patient is reported. A 24-year-old female with osteogenesis imperfecta type 1a suffered from a valgus extension injury resulting in tear of ACL and medial meniscus. She underwent an arthroscopic-assisted ACL reconstruction and medial meniscus repair. Meniscal tear at the menisco-capsular junction of the posterior horn of medial meniscus was repaired with three absorbable sutures via inside-out technique...
March 20, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29514370/contemporary-surgical-trends-in-the-management-of-symptomatic-meniscal-tears-among-united-states-military-servicemembers-from-2010-to-2015
#2
Timothy B Pekari, Kevin C Wang, Eric J Cotter, Nicholas Kusnezov, Brian R Waterman
The purpose of this investigation is to report on trends over time in the treatment of meniscal pathology among military orthopaedic surgeons, as well as to evaluate the impact of patient demographics and concomitant procedure on the type of meniscal procedure performed. We performed a retrospective analysis of all active-duty United States military servicemembers who underwent a meniscal procedure from 2010 to 2015 within the Military Health System. Patient demographics and surgical variables were extracted from the electronic medical record...
March 7, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29354420/lateral-meniscus-allograft-transplantation-the-bone-plug-technique
#3
Jarret M Woodmass, Nick R Johnson, Bruce A Levy, Michael J Stuart, Aaron J Krych
Lateral meniscus tears are commonly encountered by orthopaedic surgeons. Despite efforts to repair and preserve the meniscus, meniscectomy is occasionally required to treat irreparable tears. The resulting lateral meniscus deficiency leads to increased tibiofemoral contact pressures and ultimately early osteoarthritic changes in the knee. Lateral meniscal allograft transplant (LMAT) has been proposed as a way to restore the lateral meniscus-deficient knee to its native form. Although several techniques for LMAT have been proposed, osseous fixation has demonstrated increased stability, improved outcomes, and improved long-term survival...
August 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29308701/the-application-of-electrospinning-used-in-meniscus-tissue-engineering
#4
Mingxue Chen, Shuang Gao, Pei Wang, Yan Li, Weimin Guo, Yu Zhang, Mingjie Wang, Tongguang Xiao, Zengzeng Zhang, Xueliang Zhang, Xiaoguang Jing, Xu Li, Shuyun Liu, Quanyi Guo, Tingfei Xi
Meniscus is a fibrocartilaginous organ to redistribute stress and enhance the stability of knee joint. Meniscus injury is common and still a formidable challenge to orthopedic surgeons. Surgical techniques and allograft transplantation were primary approaches to meniscus repair, but with intrinsic limitations in clinical practice. Tissue engineering is the most promising method to repair meniscus at present. Electrospinning is a method to fabricate fibers in small scale. With different materials and parameters, electrospinning materials could have different mechanical properties, porosity, and orientation, which could mimic architectural features and mechanical properties of native meniscus...
April 2018: Journal of Biomaterials Science. Polymer Edition
https://www.readbyqxmd.com/read/29273255/revision-multiligament-knee-reconstruction-clinical-outcomes-and-proposed-treatment-algorithm
#5
Jarret M Woodmass, Michael P O'Malley, Aaron J Krych, Patrick J Reardon, Nick R Johnson, Michael J Stuart, Bruce A Levy
PURPOSE: To (1) assess clinical outcomes of revision multiligament knee injury (MLKI) reconstruction at a minimum of 2 years' follow-up and (2) present a standardized treatment algorithm used in treating revision MLKI patients. METHODS: A retrospective review of our institution's MLKI database was performed to identify all patients who underwent revision MLKI reconstructions (≥2 ligaments reconstructed) after implementation of a standardized treatment algorithm in 2000 and had a minimum of 2 years' follow-up...
March 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28383764/risk-factors-for-radiographic-joint-space-narrowing-and-patient-reported-outcomes-of-post-traumatic-osteoarthritis-after-acl-reconstruction-data-from-the-moon-cohort
#6
REVIEW
Morgan H Jones, Kurt P Spindler
The Multicenter Orthopaedic Outcomes Network (MOON) is an NIH-funded prospective, longitudinal cohort of over 3,500 patients who have undergone anterior cruciate ligament reconstruction (ACLR) by 14 sports medicine surgeons at 7 academic medical centers. Patient reported outcome questionnaires (PRO's) are completed at baseline and multiple timepoints after surgery, and a nested cohort of patients return for radiographs to assess the development of joint space changes. We review the risk factors for worse patient reported outcomes, the predictors of clinically significant symptoms of post-traumatic osteoarthritis (PTOA), and the factors associated with more radiographic joint space narrowing...
July 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28364144/current-advances-in-the-development-of-natural-meniscus-scaffolds-innovative-approaches-to-decellularization-and-recellularization
#7
REVIEW
Yunbin Chen, Jiaxin Chen, Zeng Zhang, Kangliang Lou, Qi Zhang, Shengyu Wang, Jinhu Ni, Wenyue Liu, Shunwu Fan, Xianfeng Lin
The increasing rate of injuries to the meniscus indicates the urgent need to develop effective repair strategies. Irreparably damaged menisci can be replaced and meniscus allografts represent the treatment of choice; however, they have several limitations, including availability and compatibility. Another approach is the use of artificial implants but their chondroprotective activities are still not proved clinically. In this situation, tissue engineering offers alternative natural decellularized extracellular matrix (ECM) scaffolds, which have shown biomechanical properties comparable to those of native menisci and are characterized by low immunogenicity and promising regenerative potential...
October 2017: Cell and Tissue Research
https://www.readbyqxmd.com/read/28161573/chondrogenically-primed-tonsil-derived-mesenchymal-stem-cells-encapsulated-in-riboflavin-induced-photocrosslinking-collagen-hyaluronic-acid-hydrogel-for-meniscus-tissue-repairs
#8
Rachel H Koh, Yinji Jin, Byung-Jae Kang, Nathaniel S Hwang
Current meniscus tissue repairing strategies involve partial or total meniscectomy, followed by allograft transplantation or synthetic material implantation. However, allografts and synthetic implants have major drawbacks such as the limited supply of grafts and lack of integration into host tissue, respectively. In this study, we investigated the effects of conditioned medium (CM) from meniscal fibrochondrocytes and TGF-β3 on tonsil-derived mesenchymal stem cells (T-MSCs) for meniscus tissue engineering. CM-expanded T-MSCs were encapsulated in riboflavin-induced photocrosslinked collagen-hyaluronic acid (COL-RF-HA) hydrogels and cultured in chondrogenic medium containing TGF-β3...
April 15, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/27692556/long-term-survival-analysis-of-meniscus-allograft-transplantation-with-bone-fixation
#9
Jong-Min Kim, Seong-Il Bin, Bum-Sik Lee, Nam-Ki Kim, Ju-Ho Song, Jun-Weon Choi, Chang-Rack Lee
PURPOSE: To investigate the long-term clinical results and clinical survival rate of meniscus allograft transplantation (MAT) with bone fixation. METHODS: The inclusion criteria of this study were previous MAT with bone fixation technique in our institution and minimum follow-up duration of 8 years. Potential subjects were identified using the medical records and database that was prospectively collected from December 1996 to December 2005. The exclusion criteria were diffuse International Cartilage Repair Society grade IV articular cartilage degeneration that was not treated with a concomitant or staged cartilage repair procedure...
February 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27543406/return-to-play-following-meniscus-surgery
#10
REVIEW
Alaina M Brelin, John-Paul H Rue
Meniscus tears are commonly encountered in the athletic population and can result in significant loss of playing time. Current treatment methods for acute tears consist of meniscectomy and meniscal repair, whereas meniscal allograft transplant is reserved as a salvage procedure for symptomatic meniscectomized patients who desire a more functional knee. This review describes the postoperative rehabilitation protocol for each procedure and evaluates the outcomes in existing literature as it pertains to the athlete...
October 2016: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/27462536/lateral-meniscal-allograft-transplantation-the-bone-trough-technique
#11
Jorge Chahla, Javier Olivetto, Chase S Dean, Raphael Serra Cruz, Robert F LaPrade
The lateral meniscus plays a critical role in the stability and health of the knee. Treating patients who have undergone a total lateral meniscectomy or functional equivalent is challenging, especially young and active patients. Current literature regarding meniscal tears supports that repair should be the first surgical option. Moreover, it is recommended to preserve as much meniscal tissue as possible. In cases in which a total or functional meniscectomy is a pre-existing condition, a lateral meniscal allograft transplantation is a possible option...
April 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27331034/meniscus-tear-surgery-and-meniscus-replacement
#12
REVIEW
Javier Vaquero, Francisco Forriol
OBJECTIVE: the menisci are easily injured and difficult to repair. The aim of this study was to analyze the current state of meniscal surgery aimed at preserving morphology and conserving the biomechanics of the knee to prevent joint degeneration. METHODOLOGY: a search of the electronic medical literature database Medline was conducted, from http://www.ncbi.nlm.nih.gov/pubmed. The search was not limited by language. Candidate articles were identified by searching for those that included the keywords meniscus, surgery, suture, implant, allograft...
January 2016: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/27330948/medial-meniscal-allograft-transplantation-the-bone-plug-technique
#13
Chase S Dean, Javier Olivetto, Jorge Chahla, Raphael Serra Cruz, Robert F LaPrade
The medial meniscus is crucial for knee homeostasis. Treating patients who have undergone a subtotal or total meniscectomy, or equivalent irreparable tear pattern, can be extremely challenging, especially in young, active patients. The importance of meniscal preservation has been reported by several authors. Meniscal repair is now widely accepted as the first surgical option for treating medial meniscal tears. Moreover, current guidelines recommend preserving as much meniscal tissue as possible. Treating a symptomatic medial meniscectomized knee is challenging because of limited surgical options...
April 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27296871/risk-factors-for-radiographic-progression-of-osteoarthritis-after-meniscus-allograft-transplantation
#14
Ji Hyun Ahn, Ho Won Kang, Tae Yeong Yang, Jang Yun Lee
PURPOSE: To identify risk factors that predict radiographic progression of osteoarthritis after meniscus allograft transplantation (MAT) using multivariate logistic regression. METHODS: Inclusion criteria were consecutive patients who underwent medial or lateral MATs from January 2005 to September 2012 by one surgeon. Exclusion criteria were lack of postoperative magnetic resonance image, loss to follow-up for a minimum of 3 years, and simultaneous surgery on articular cartilage or the anterior cruciate ligament...
December 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27274475/simultaneous-osteoperiosteal-autologous-iliac-crest-graft-and-lateral-meniscus-allograft-transplantation-for-osteochondral-lesion-with-bony-defect-and-lateral-discoid-meniscus-tear
#15
Dhong Won Lee, Jin Goo Kim, Jeong Ku Ha, Woo Jong Kim
The optimal treatment for combined osteochondritis dissecans (OCD) with considerable bony defect of the lateral femoral condyle (LFC) and torn discoid lateral meniscus is unclear. We present a case of a 15-year-old female who was a gymnast and had a large OCD lesion in the LFC combined with deficiency of the lateral meniscus. The patient underwent the "one-step" technique of osteoperiosteal autologous iliac crest graft and lateral meniscus allograft transplantation after a failure of meniscectomy with repair at another hospital...
June 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27133081/clinical-studies-using-biological-and-synthetic-materials-for-meniscus-replacement
#16
David D Lin, Natasha E Picardo, Adetola Adesida, Wasim S Khan
Meniscal injury is a common problem among sportsmen and increasingly seen in the older and more active population. The traditional treatment options include a partial meniscectomy, which provides good mechanical and pain relief to the patient. However, the focus of treatment is shifting towards repairing meniscal tears where possible and replacement of the lost meniscal tissue where appropriate. Replacement can be total or partial. Total meniscal replacement using an allograft, is usually reserved for young patients, who meet certain criteria and who have undergone several subtotal meniscectomies or a single stage total meniscectomy and are still symptomatic...
2017: Current Stem Cell Research & Therapy
https://www.readbyqxmd.com/read/26970835/multivariate-analysis-of-risk-factors-of-graft-extrusion-after-lateral-meniscus-allograft-transplantation
#17
Ji Hyun Ahn, Ho Won Kang, Tae Yeong Yang, Jang Yun Lee
PURPOSE: To identify risk factors that predict major graft extrusion (>3 mm in relation to the margin of the tibial plateau) on magnetic resonance imaging (MRI) after lateral meniscus allograft transplantation (MAT) using multivariate logistic regression. METHODS: In this retrospective trial, inclusion criteria were consecutive lateral MATs from January 2004 to June 2013. Exclusion criteria were the lack of postoperative MRI, loss to follow-up for minimum 2 years, and simultaneous surgery of the articular cartilage or anterior cruciate ligament...
July 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/26814392/editorial-commentary-all-inside-or-inside-out-meniscal-repair-for-the-posterior-thirds-in-meniscus-allograft-transplantation-which-to-choose-and-what-difference-it-makes
#18
EDITORIAL
Hiroshi Ohuchi
Performing an all-inside repair or inside-out fixation for the posterior third in meniscus allograft transplantation is discussed. Less invasiveness is always important when the results are the same, and surgeons' personal experience may be a determining factor for this procedure.
February 2016: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/26792703/proper-cartilage-status-for-meniscal-allograft-transplantation-cannot-be-accurately-determined-by-patient-symptoms
#19
Bum-Sik Lee, Seong-Il Bin, Jong-Min Kim, Jae Hyan Kim, Geun-Won Han
BACKGROUND: Candidates for meniscal allograft transplantation (MAT) often already have a significant cartilage lesion when they present with a symptomatic knee. However, the level of symptoms required for MAT to be performed is poorly defined, leading to difficulties in selecting patients and the potential for further cartilage loss. PURPOSE: To evaluate if various clinical evaluation scores reflect the articular cartilage status of the lateral compartment preoperatively in symptomatic, lateral meniscus-deficient knees...
March 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/26582798/articular-cartilage-degenerates-after-subtotal-total-lateral-meniscectomy-but-radiographic-arthrosis-progression-is-reduced-after-meniscal-transplantation
#20
Bum-Sik Lee, Seong-Il Bin, Jong-Min Kim
BACKGROUND: Little is known about the degree of articular cartilage degeneration after subtotal/total lateral meniscectomy in patients who later undergo isolated lateral meniscal allograft transplantation (LMAT). It has not yet been studied whether arthritic changes as shown on radiographs were lower during the posttransplantation period than during the meniscus-deficient period. HYPOTHESIS: Articular cartilage will significantly degenerate during the meniscus-deficient period, but the progression in radiographic arthrosis is reduced after LMAT...
January 2016: American Journal of Sports Medicine
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