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osteochondral allograft

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https://www.readbyqxmd.com/read/28719779/cement-casting-to-optimize-reconstruction-of-chronic-osteochondral-lesions-of-the-talus
#1
Jorge Pulgar, Mario Escudero, Giovanni Carcuro, Adam Schiff, Manuel Pellegrini
Few surgical techniques have been described for reconstruction in massive osteochondral lesions of the talus, and there is limited evidence of techniques for accurately reproducing native talar anatomy with bone auto/allograft techniques. In this article, we present a novel technique, which is highly reproducible, using bone cement to restore the congruence and anatomy of the ankle joint. LEVELS OF EVIDENCE: Level V: Technical tip.
August 2017: Foot & Ankle Specialist
https://www.readbyqxmd.com/read/28719761/rehabilitation-and-postoperative-management-practices-after-osteochondral-allograft-transplants-to-the-distal-femur-a-report-from-the-metrics-of-osteochondral-allografts-moca-study-group-2016-survey
#2
Marie S Kane, Karlee Lau, Dennis C Crawford
CONTEXT: We present the current spectrum of postoperative management practices for patients receiving distal femur osteochondral allograft (OCA) transplants. EVIDENCE ACQUISITION: The Joint Restoration Foundation database was examined in cooperation with the Metrics of Osteochondral Allografts study group to identify 121 surgeons who had performed at least 1 OCA transplant in the past year; 63% of surgeons responded. STUDY DESIGN: Clinical survey...
July 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28706848/bipolar-bone-loss-of-the-shoulder-joint-due-to-recurrent-instability-use-of-fresh-osteochondral-distal-tibia-and-humeral-head-allografts
#3
Daniel B Haber, Anthony Sanchez, George Sanchez, Marcio B Ferrari, Sami Ferdousian, Matthew T Provencher
With increasing shoulder instability events, the likelihood of a bony lesion of the glenoid and/or humeral head rises. Although bone loss of either the glenoid or humeral head may result in recurrent instability, bipolar lesions have been shown, in particular, to result in a negative and additive effect on glenohumeral stability. In the case of a bipolar lesion comprising severe glenoid bone loss and an engaging, "off-track" Hill-Sachs lesion, the bony foundation of the glenohumeral joint is compromised and bony augmentation is necessary...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28687862/no-superior-surgical-treatment-for-secondary-osteochondral-defects-of-the-talus
#4
REVIEW
Kaj T A Lambers, Jari Dahmen, Mikel L Reilingh, Christiaan J A van Bergen, Sjoerd A S Stufkens, Gino M M J Kerkhoffs
PURPOSE: The purpose of this systematic review was to identify the most effective surgical treatment for talar osteochondral defects after failed primary surgery. METHODS: A literature search was conducted to find studies published from January 1996 till July 2016 using PubMed (MEDLINE), EMBASE, CDSR, DARE and CENTRAL. Two authors screened the search results separately and conducted quality assessment independently using the Newcastle-Ottawa scale. Weighted success rates were calculated...
July 7, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28669475/editorial-commentary-robbing-peter-to-pay-paul-is-osteochondral-autograft-transplantation-of-the-elbow-capitellum-worth-the-price
#5
EDITORIAL
Paul E Caldwell
Osteochondritis dissecans (OCD) of the elbow capitellum is a common disorder that causes pain and functional limitation in the athletic adolescent elbow. Many surgical options have been proposed over the years, but none has stood the test of time. A recent well-written systematic review highlights the treatment options and recognizes a growing trend toward osteochondral allograft transplantation as the ideal solution. Unfortunately, the study also underscores the paucity of evidence on which we base our treatment decisions for OCD of the elbow in the young athlete...
July 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28646824/bone-marrow-aspirate-concentrate-versus-platelet-rich-plasma-to-enhance-osseous-integration-potential-for-osteochondral-allografts
#6
Aaron M Stoker, Charles A Baumann, James P Stannard, James L Cook
No abstract text is available yet for this article.
June 24, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28632455/joint-preservation-techniques-in-orthopaedic-surgery
#7
Philip J York, Frank B Wydra, Matthew E Belton, Armando F Vidal
CONTEXT: With increasing life expectancy, there is growing demand for preservation of native articular cartilage to delay joint arthroplasties, especially in younger, active patients. Damage to the hyaline cartilage of a joint has a limited intrinsic capacity to heal. This can lead to accelerated degeneration of the joint and early-onset osteoarthritis. Treatment in the past was limited, however, and surgical treatment options continue to evolve that may allow restoration of the natural biology of the articular cartilage...
June 1, 2017: Sports Health
https://www.readbyqxmd.com/read/28618872/outcomes-of-patellofemoral-osteochondral-lesions-treated-with-structural-grafts-in-patients-older-than-40-years
#8
Ryan M Degen, Nathan W Coleman, Danielle Tetreault, Brenda Chang, Greg T Mahony, Christopher L Camp, Shawn G Anthony, Riley J Williams
Background Chondral lesions in the patellofemoral compartment represent a difficult entity to treat among active patients, with no clear consensus on the optimal treatment strategy. The purpose of this study was to review the functional outcomes of patients >40 years old with primary patellofemoral osteochondral lesions who underwent a cartilage restoration procedure with a structural graft. Methods Following institutional review board approval, 35 patients >40 years treated for patellofemoral chondral or osteochondral injuries were retrospectively identified...
July 2017: Cartilage
https://www.readbyqxmd.com/read/28610776/two-stage-late-reconstruction-with-a-fresh-large-osteochondral-shell-allograft-transplantation-flocsat-for-a-large-ostechondral-defect-in-a-non-union-after-a-lateral-tibia-plateau-fracture-2-year-follow-up
#9
C Krettek, J Clausen, M Omar, S Noack, C Neunaber
This is the description of a 58-year-old female patient presenting 8 months after a horse riding accident with significant pain and inability to walk independently. Imaging revealed a large osseous defect of the lateral tibia plateau which was not united posteriorly. The patient refused knee replacement and we developed a patient specific two-step procedure for her. Step 1: Filling of the defect with a large cortico-cancellous autograft from the posterior iliac crest; step 2: Transplantation of a fresh large osteochondral shell allograft (FLOCSAT)...
May 17, 2017: Injury
https://www.readbyqxmd.com/read/28604062/cartilage-regeneration-in-full-thickness-patellar-chondral-defects-treated-with-particulated-juvenile-articular-allograft-cartilage-an-mri-analysis
#10
Brian Grawe, Alissa Burge, Joseph Nguyen, Sabrina Strickland, Russell Warren, Scott Rodeo, Beth ShubinStein
Background Full-thickness cartilage lesions of the patella represent a common source of pain and dysfunction. Previously reported surgical treatment options include marrow stimulation, cell-based treatments, and osteochondral transfer. Minced juvenile allograft cartilage is a novel treatment option that allows for a single stage approach for these lesions. Hypothesis Particulated juvenile allograft cartilage (PJAC) for the treatment of chondral defects of the patella would offer acceptable lesion fill rates, mature over time, and not be associated with any negative biologic effects on the surrounding tissue...
June 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28594507/management-of-osteochondral-lesions-of-the-talus
#11
Michael Isiah Sandlin, Timothy P Charlton, Cyrus E Taghavi, Eric Giza
Management strategies for symptomatic osteochondral lesions of the talus are primarily surgical. Treatment options for symptomatic osteochondral lesions of the talus most commonly include bone marrow stimulation techniques, osteochondral autograft transplantation, osteochondral allograft transplantation, autologous chondrocyte implantation, matrix-induced autologous chondrocyte implantation, and particulated juvenile articular cartilage. The selection of the most appropriate treatment option should be based on the specifics of a talar lesion, in particular, lesion size...
February 15, 2017: Instructional Course Lectures
https://www.readbyqxmd.com/read/28580842/understanding-magnetic-resonance-imaging-of-knee-cartilage-repair-a-focus-on-clinical-relevance
#12
Daichi Hayashi, Xinning Li, Akira M Murakami, Frank W Roemer, Siegfried Trattnig, Ali Guermazi
The aims of this review article are (a) to describe the principles of morphologic and compositional magnetic resonance imaging (MRI) techniques relevant for the imaging of knee cartilage repair surgery and their application to longitudinal studies and (b) to illustrate the clinical relevance of pre- and postsurgical MRI with correlation to intraoperative images. First, MRI sequences that can be applied for imaging of cartilage repair tissue in the knee are described, focusing on comparison of 2D and 3D fast spin echo and gradient recalled echo sequences...
June 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28580270/anatomical-glenoid-reconstruction-using-fresh-osteochondral-distal-tibia-allograft-after-failed-latarjet-procedure
#13
Anthony Sanchez, Marcio B Ferrari, Ramesses A Akamefula, Rachel M Frank, George Sanchez, Matthew T Provencher
In the treatment of recurrent anterior glenohumeral instability, the Latarjet procedure has been shown to fail. This results in a need for viable revisional procedures for patients who present with this challenging pathology. We report our preferred technique for anatomical glenoid reconstruction using a fresh osteochondral distal tibia allograft after a failed Latarjet procedure. This bony augmentation technique employs a readily available dense, weight-bearing osseous tissue source that has excellent conformity, as well as the added benefit of a cartilaginous surface to correct chondral deficiencies...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28580256/biologic-inlay-osteochondral-reconstruction-arthroscopic-one-step-osteochondral-lesion-repair-in-the-knee-using-morselized-bone-grafting-and-hyaluronic-acid-based-scaffold-embedded-with-bone-marrow-aspirate-concentrate
#14
Boguslaw Sadlik, Alberto Gobbi, Mariusz Puszkarz, Wojciech Klon, Graeme P Whyte
Cartilage injury of the knee that is associated with significant subchondral bone loss can result in great morbidity, and treatment options that provide durable repair are limited. Osteochondral autograft and allograft reconstruction of these lesions has been used extensively; however, these techniques often require a more invasive surgical exposure, and restoring the natural articular surface radius of curvature can be challenging, particularly in larger lesions. Cell-based repair of these lesions, using autologous chondrocytes in conjunction with bone grafting, has been used with success, although this procedure requires the patient to undergo 2 operations, and access is often restricted due to the high associated costs...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28580254/use-of-a-cutting-instrument-for-fresh-osteochondral-distal-tibia-allograft-preparation-treatment-of-glenoid-bone-loss
#15
Marcio B Ferrari, Anthony Sanchez, George Sanchez, Ramesses Akamefula, Bradley M Kruckeberg, Matthew T Provencher
Glenoid bone loss presents a major risk for glenohumeral instability that has been well recognized as a cause of instability recurrence after attempted Bankart repair, and although most surgeons consider the Latarjet procedure as the gold standard, failures can occur with this technique as well and the search for alternative grafts to address glenoid bone loss is a major topic of ongoing research in the field. Of these techniques, the distal tibia allograft (DTA) has been shown to provide an excellent option to restore glenoid biomechanics, due to its congruency with the humeral head, dense bony quality, and the facility of harvest...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28577786/restorative-tissue-transplantation-options-for-osteochondral-lesions-of-the-talus-a-review
#16
REVIEW
John Chao, Andrew Pao
Symptomatic osteochondral lesions of the talus remain a challenging problem due to inability for cartilage lesions to heal. Numerous treatment options exist, including nonoperative management, marrow stimulating techniques, and autograft-allograft. Arthroscopic marrow stimulation forms fibrocartilage that has been shown to be biomechanically weaker than hyaline cartilage. Restorative tissue transplantation options are being used more for larger and cystic lesions. Newer biologics and particulated juvenile cartilage are currently under investigation for possible clinical efficacy...
July 2017: Orthopedic Clinics of North America
https://www.readbyqxmd.com/read/28577710/allografts-osteochondral-shell-and-paste
#17
REVIEW
Frank B Wydra, Philip J York, Armando F Vidal
There is an increasing need for articular cartilage restoration procedures. Hyaline cartilage lacks intrinsic healing capacity. Persistent osteochondral defects can lead to early and rapid degenerative changes. Microfracture and autologous chondrocyte implantation provide reasonable outcomes for smaller defects without bone loss. However, these techniques have limited effectiveness for lesions greater than 4 cm(2) or with significant bony involvement. Ostochondral allografts provide an option for these lesions...
July 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28571706/lactated-ringer-based-storage-solutions-are-equally-well-suited-for-the-storage-of-fresh-osteochondral-allografts-as-cell-culture-medium-based-storage-solutions
#18
Afif Harb, Alexander von Horn, Kornelia Gocalek, Luisa Marilena Schäck, Jan Clausen, Christian Krettek, Sandra Noack, Claudia Neunaber
BACKGROUND: Due to the rising interest in Europe to treat large cartilage defects with osteochondrale allografts, research aims to find a suitable solution for long-term storage of osteochondral allografts. This is further encouraged by the fact that legal restrictions currently limit the use of the ingredients from animal or human sources that are being used in other regions of the world (e.g. in the USA). Therefore, the aim of this study was A) to analyze if a Lactated Ringer (LR) based solution is as efficient as a Dulbecco modified Eagle's minimal essential medium (DMEM) in maintaining chondrocyte viability and B) at which storage temperature (4°C vs...
May 25, 2017: Injury
https://www.readbyqxmd.com/read/28558999/massive-osteochondral-lesion-of-the-talus-in-a-skeletally-immature-patient-associated-with-a-tarsal-coalition-and-valgus-hindfoot
#19
Pablo A I Slullitel, Maria L Tripodi, Santiago T Bosio, Miguel Puigdevall, Rubén Maenza
Rarely, osteochondral lesions of the talus occur without a history of trauma. Accurate interpretation of the mechanical load distributions onto the ankle leading to potential atraumatic cartilage damage must always be studied. The published data on the optimal treatment of talar osteochondral lesions in skeletally immature patients are scarce, especially when the lesions are associated with hindfoot malalignment. We describe the case of a pediatric female with an atraumatic osteochondral lesion of the talus associated with a talocalcaneal coalition and a valgus hindfoot, which we consider the first case to be reported...
May 27, 2017: Journal of Foot and Ankle Surgery: Official Publication of the American College of Foot and Ankle Surgeons
https://www.readbyqxmd.com/read/28551056/history-of-osteochondral-allograft-transplantation
#20
V S Nikolaou, P V Giannoudis
Osteochondral defects or injuries represent the most challenging entities to treat, especially when occur to young and active patients. For centuries, it has been recognized that such defects are almost impossible to treat. However, surgeons have never stopped the effort to develop reliable methods to restore articular cartilage and salvage the endangered joint function. Osteochondral allograft transplantation in human was first introduced by Eric Lexer in 1908. Since that era, several pioneers have been worked in the field of osteochondral allotransplantation, presenting and developing the basic research, the methodology and the surgical techniques...
May 11, 2017: Injury
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