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osteochondral allograft

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https://www.readbyqxmd.com/read/28272928/prospective-clinical-and-radiographic-outcomes-after-concomitant-anterior-cruciate-ligament-reconstruction-and-meniscal-allograft-transplantation-at-a-mean-5-year-follow-up
#1
Bryan M Saltzman, Maximilian A Meyer, Alexander E Weber, Sarah G Poland, Adam B Yanke, Brian J Cole
BACKGROUND: Concomitant anterior cruciate ligament reconstruction and meniscal allograft transplantation (ACLR/MAT) has demonstrated short-term success in small, retrospective cohort studies. Patient- and disease-specific predictors of success after ACLR/MAT are largely unknown. PURPOSE: To (1) prospectively evaluate the subjective and objective clinical and radiographic outcomes after ACLR/MAT and (2) conduct a subgroup analysis to identify patient- or disease-related factors that correlate with failure...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28261617/repair-of-osteochondral-defects-using-human-umbilical-cord-wharton-s-jelly-derived-mesenchymal-stem-cells-in-a-rabbit-model
#2
Shuyun Liu, Yanhui Jia, Mei Yuan, Weimin Guo, Jingxiang Huang, Bin Zhao, Jiang Peng, Wenjing Xu, Shibi Lu, Quanyi Guo
Umbilical cord Wharton's jelly-derived mesenchymal stem cell (WJMSC) is a new-found mesenchymal stem cell in recent years with multiple lineage potential. Due to its abundant resources, no damage procurement, and lower immunogenicity than other adult MSCs, WJMSC promises to be a good xenogenous cell candidate for tissue engineering. This in vivo pilot study explored the use of human umbilical cord Wharton's jelly mesenchymal stem cells (hWJMSCs) containing a tissue engineering construct xenotransplant in rabbits to repair full-thickness cartilage defects in the femoral patellar groove...
2017: BioMed Research International
https://www.readbyqxmd.com/read/28224070/combined-particulated-juvenile-cartilage-allograft-transplantation-and-medial-patellofemoral-ligament-reconstruction-for-symptomatic-chondral-defects-in-the-setting-of-recurrent-patellar-instability
#3
Armin Arshi, Dean Wang, Kristofer J Jones
Successful management of patellar osteochondral lesions has proved difficult, with unreliable outcomes reported using traditional cartilage repair and restoration procedures. Unique considerations for this type of defect include the multiplanar contours of the articular surface of the patella, high compressive and shear forces with knee range of motion that may disrupt graft healing, and the potential need for concomitant surgery to address patellar malalignment and instability. We describe our preferred method for treatment of a symptomatic chondral defect in the setting of recurrent patellar instability using particulated juvenile articular cartilage allograft transplantation and medial patellofemoral ligament reconstruction with semitendinosus allograft...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28196392/patellofemoral-osteochondral-allografts-can-we-improve-the-matching-process
#4
Jason R Determann, James E Fleischli, Donald F D'Alessandro, Dana P Piasecki
An important consideration for the successful use of fresh osteochondral allografts for the patellofemoral joint is selection of appropriately sized donor allografts. This is particularly challenging for matching grafts to the patella because of the substantial variability in articular contour that exists. At present, selection of donor patellae is based only on the width of the proximal tibia, with no established means of quantifying basic patellar size, facet configuration, or articular contour. We hypothesized that using a combination of standard radiographic measurements to generate an accurate profile of the recipients native patella would result in a more accurate donor graft...
February 14, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28194385/fresh-osteochondral-knee-allografts-in-brazil-with-a-minimum-two-year-follow-up
#5
Luís Eduardo Passarelli Tírico, Marco Kawamura Demange, Luiz Augusto Ubirajara Santos, José Ricardo Pécora, Alberto Tesconi Croci, Gilberto Luís Camanho
OBJECTIVE: The present study aimed to report the results of the first series of cases of fresh ostechondral allografts in the knee joint in Brazil with a minimum follow-up of two years. METHODS: A protocol of procurement, harvesting, processing, and utilization of fresh osteochondral allografts in the knee joint was established, beginning with legislation modifications, graft harvesting techniques, immediate processing, storage of fresh grafts, and utilization of two surgical techniques of osteochondral transplantation...
January 2017: Revista Brasileira de Ortopedia
https://www.readbyqxmd.com/read/28162881/midterm-results-of-osteochondral-allograft-transplantation-to-the-humeral-head
#6
Andrew J Riff, Adam B Yanke, Jason J Shin, Anthony A Romeo, Brian J Cole
BACKGROUND: This study evaluated clinical outcomes of osteochondral allograft (OCA) transplantation for humeral head osteochondral defects. We hypothesized that patients with isolated humeral head disease would achieve favorable results and that patients with bipolar disease would experience inferior outcomes. METHODS: We identified patients who underwent humeral head OCA transplantation. Subjective questionnaire data were obtained preoperatively and at a minimum of 2 years postoperatively...
February 2, 2017: Journal of Shoulder and Elbow Surgery
https://www.readbyqxmd.com/read/28149733/arthroscopic-interpositional-arthroplasty-of-the-second-metatarsophalangeal-joint
#7
Tun Hing Lui
Painful degenerative diseases of the second metatarsophalangeal joint are frequently progressive and difficult to treat. Surgical options for the degenerated second metatarsophalangeal joint include joint debridement and synovectomy, drilling and microfracture, core decompression, dorsal closing-wedge metatarsal osteotomies, joint arthroplasty (implant or interpositional), elevation of the depressed articular fragment and bone graft, distraction arthroplasty, osteochondral plug transplantation, osteochondral distal metatarsal allograft reconstruction, and resection arthroplasty (phalangeal base or metatarsal head)...
December 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28056527/osteochondral-allograft-transplantation-of-the-knee-analysis-of-failures-at-5-years
#8
Rachel M Frank, Simon Lee, David Levy, Sarah Poland, Maggie Smith, Nina Scalise, Gregory L Cvetanovich, Brian J Cole
BACKGROUND: Osteochondral allograft transplantation (OAT) is being performed with increasing frequency, and the need for reoperations is not uncommon. PURPOSE: To quantify survival for OAT and report findings at reoperations. STUDY DESIGN: Case series; Level of evidence, 4. METHODS: A review of prospectively collected data of 224 consecutive patients who underwent OAT by a single surgeon with a minimum follow-up of 2 years was conducted...
March 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28003071/editorial-commentary-bulk-osteochondral-talar-grafts-compromise-future-arthrodesis-or-prosthesis
#9
EDITORIAL
C Niek van Dijk
In general, osteochondral allograft should include minimal "osteo" or bone. In cases that require a bulk allograft, even after creeping substitution and healing, most of the graft remains dead bone. Bulk dead bone is a particular problem in the talus, should a patient need revision to a prosthesis or arthrodesis. As an alternative, drilling, bone grafting, and fixation of existing cartilage, when possible, is preferred.
January 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/27999505/osteochondral-allograft-transplantation-for-femoral-trochlear-dysplasia
#10
Dharmpal V Vansadia, James R Heltsley, Scott Montgomery, Misty Suri, Deryk G Jones
BACKGROUND: The risk factors for patellofemoral joint instability include laxity of medial patellar restraints, abnormal limb geometry, femoral and tibial malrotation, patella alta, and trochlear dysplasia. Femoral trochlear dysplasia is characterized by a hypoplastic or shallow trochlear groove. CASE REPORT: We report the case of a 31-year-old female with trochlear dysplasia and recurrent patella dislocations, laxity of the medial patellofemoral ligament (MPFL), and high-grade chondromalacia of the trochlea and the patella...
2016: Ochsner Journal
https://www.readbyqxmd.com/read/27994721/particulated-juvenile-articular-cartilage-allograft-transplantation-for-osteochondral-talar-lesions
#11
Bryan M Saltzman, Johnny Lin, Simon Lee
OBJECTIVE: To report on our institution's early results from juvenile particulate cartilage allograft transplantation of the talus. DESIGN: Because of the relative rarity of the procedure at the talus, it was decided to provide a comprehensive understanding of the currently available evidence via a 2-part study with (1) a systematic review of the literature and (2) a retrospective single-center cohort study of the authors' patients, their demographics, and their early outcomes...
January 2017: Cartilage
https://www.readbyqxmd.com/read/27994717/evaluation-and-management-of-osteochondral-lesions-of-the-talus
#12
REVIEW
Christopher A Looze, Jason Capo, Michael K Ryan, John P Begly, Cary Chapman, David Swanson, Brian C Singh, Eric J Strauss
Osteochondral lesions of the talus are common injuries that affect a wide variety of active patients. The majority of these lesions are associated with ankle sprains and fractures though several nontraumatic etiologies have also been recognized. Patients normally present with a history of prior ankle injury and/or instability. In addition to standard ankle radiographs, magnetic resonance imaging and computed tomography are used to characterize the extent of the lesion and involvement of the subchondral bone...
January 2017: Cartilage
https://www.readbyqxmd.com/read/27989341/juvenile-particulate-osteochondral-allograft-for-treatment-of-osteochondral-lesions-of-the-talus-detection-of-altered-repair-tissue-biochemical-composition-using-7-tesla-mri-and-t2-mapping
#13
Shaleen Vira, Austin J Ramme, Cary Chapman, Ding Xia, Ravinder R Regatte, Gregory Chang
During the previous 2 decades, numerous surgical procedures have become available to treat osteochondral lesions of the talus. The objective of the present study was to use 7 Tesla (7T) magnetic resonance imaging (MRI) to quantify and compare T2 values (a marker of collagen architecture) of native tibiotalar cartilage and cartilage repair tissue in patients treated with a juvenile particulate allograft for osteochondral lesions of the talus. The institutional review board approved the present study, and all subjects provided written informed consent...
January 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/27984686/-surgical-treatment-of-malignant-primary-tumors-of-the-pelvis-on-ennekings-zone-ii
#14
A M González-Pérez, C Arvinius, J García-Coiradas, R García-Maroto, J L Cebrian-Parra
INTRODUCTION: Surgical treatment of malignant bone tumors of the pelvis with periacetabular involvement is constantly evolving. Even though acetabular reconstructions improve quality of life without impairing cancer control, they are not complication free. Our purpose is to describe the functional outcomes and surgical complications of different reconstructive techniques for Enneking zone II tumors. MATERIAL AND METHODS: Fifteen patients underwent surgery for malignant pelvic bone tumors between 2002 and 2012...
May 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/27922984/osteochondral-allografts-in-shoulder-surgical-procedures
#15
Nicholas M Capito, Brett D Owens, Seth L Sherman, Matthew J Smith
No abstract text is available yet for this article.
November 15, 2016: JBJS Reviews
https://www.readbyqxmd.com/read/27909660/osteochondral-proximal-tibial-and-lateral-meniscal-allograft-transplant
#16
Guillem Gonzalez-Lomas, Andrew P Dold, Daniel J Kaplan, David J Fralinger, Laith Jazrawi
Knee pain in young, active patients with meniscus-deficient knees and articular cartilage damage can present a challenge to treatment. Meniscal allograft transplantation (MAT) has shown good clinical results as treatment for meniscus deficiency; however, worse outcomes have been observed in patients with significant chondral damage. The development of chondral restorative techniques such as osteochondral allograft transplantation (OCA) has expanded the population of patients who may benefit from MAT. We present a case of proximal tibial osteochondral and lateral meniscal allograft transplant...
October 2016: Arthroscopy Techniques
https://www.readbyqxmd.com/read/27896291/fresh-osteochondral-allograft-to-the-humeral-head-for-treatment-of-an-engaging-reverse-hill-sachs-lesion-technical-case-report-and-literature-review
#17
Loren O Black, Jia-Wei Kevin Ko, Samantha M Quilici, Dennis C Crawford
No abstract text is available yet for this article.
November 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27893924/deciding-how-best-to-treat-cartilage-defects
#18
Lucy Oliver-Welsh, Justin W Griffin, Maximilian A Meyer, Matthew E Gitelis, Brian J Cole
The decision-making regarding and treatment of cartilage abnormalities requires a systematic approach. This article reviews the concepts and principles that guide the management of this complex problem. The precise incidence, demographics, and progression of cartilage lesions have not been clearly delineated. Pursuing a patient-centered approach that considers the available nonsurgical and surgical options remains the cornerstone of patient care. The importance of determining concomitant knee pathologies, the proper interpretation and implications of imaging findings, and an accurate determination of the intra-articular and subchondral findings represent the primary elements of the decision analysis...
November 1, 2016: Orthopedics
https://www.readbyqxmd.com/read/27871417/large-bm-intra-articular-allograft
#19
REVIEW
Joan R Williams, Michael E Brage
Posttraumatic tibiotalar arthritis is a challenging problem in young, active patients. Many of these patients do not want to pursue ankle arthrodesis after they fail conservative treatment measures, as they wish to preserve joint motion. Osteochondral shell allograft arthroplasty has been described as a reasonable alternative for treating these patients. The procedure itself is technically demanding; however, with improvements in surgical technique and adequate preoperative patient counseling, it provides improvement in ankle function and has good outcomes for most patients at long-term follow-up...
December 2016: Foot and Ankle Clinics
https://www.readbyqxmd.com/read/27863947/the-effects-of-low-dose-radiotherapy-on-fresh-osteochondral-allografts-an-experimental-study-in-rabbits
#20
Uğur Gönç, Mehmet Çetinkaya, Mesut Atabek
OBJECTIVE: The aim of this study was to investigate the effects of low-dose fractionated radiotherapy on cartilage degeneration after distal femoral fresh massive osteochondral allograft transplantation. METHODS: Twenty-four New Zealand White rabbits were divided into three groups of 8 rabbits each. All rabbits underwent distal femoral medial condyle fresh massive osteochondral allograft transplantation from California rabbits. The group 1 underwent transplantation without any preliminary process...
October 2016: Acta Orthopaedica et Traumatologica Turcica
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