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osteochondral allograft

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https://www.readbyqxmd.com/read/28800919/similar-outcomes-after-osteochondral-allograft-transplantation-in-anterior-cruciate-ligament-intact-and-reconstructed-knees-a-comparative-matched-group-analysis-with-minimum-2-year-follow-up
#1
Dean Wang, Claire D Eliasburg, Tim Wang, Ryan R Fader, Francesca R Coxe, Mollyann D Pais, Riley J Williams
PURPOSE: To compare failure rates and clinical outcomes of osteochondral allograft transplantation (OCA) in anterior cruciate ligament (ACL)-intact versus ACL-reconstructed knees at midterm follow-up. METHODS: After a priori power analysis, a prospective registry of patients treated with OCA for focal chondral lesions ≥2 cm(2) in size with minimum 2-year follow-up was used to match ACL-reconstructed knees with ACL-intact knees by age, sex, and primary chondral defect location...
August 8, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28800402/extracellular-matrix-cartilage-allograft-and-particulate-cartilage-allograft-for-osteochondral-lesions-of-the-knee-and-ankle-joints-a-systematic-review
#2
Dexter Seow, Youichi Yasui, Eoghan T Hurley, Andrew W Ross, Christopher D Murawski, Yoshiharu Shimozono, John G Kennedy
BACKGROUND: Extracellular matrix cartilage allografts (EMCAs) and particulate cartilage allografts (PCAs) are relatively new biologics that may improve the quality of cartilage regeneration after bone marrow stimulation. The increasing popularity of these novel biologics in the treatment of osteochondral lesions (OCLs) of the knee and ankle joints prompts a systematic evaluation of their efficacies. PURPOSE: The purpose of this systematic review was to clarify the effectiveness of EMCAs and PCAs on cartilage regeneration...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28738433/implantation-of-a-novel-cryopreserved-viable-osteochondral-allograft-for-articular-cartilage-repair-in-the-knee
#3
C Thomas Vangsness, Geoffrey Higgs, James K Hoffman, Jack Farr, Philip A Davidson, Farrell Milstein, Sandra Geraghty
No abstract text is available yet for this article.
July 24, 2017: Journal of Knee Surgery
https://www.readbyqxmd.com/read/28737981/contact-forces-acting-on-large-femoral-osteochondral-allografts-during-forced-knee-extension
#4
Peter Z Du, Keith L Markolf, Christopher J Lama, David R McAllister, Kristofer J Jones
BACKGROUND: A single cylindrical graft plug is commonly used for large focal femoral defects during osteochondral allograft (OCA) transplantation. Excessive contact force (CF) on a proud plug could compromise initial healing. CFs during forced knee extension are of particular interest because this maneuver is used by therapists to restore early postoperative range of motion. HYPOTHESIS: A proud OCA plug will significantly increase the CF and significantly decrease the knee extension angle (KEA)...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28737949/effects-of-autogenous-bone-marrow-aspirate-concentrate-on-radiographic-integration-of-femoral-condylar-osteochondral-allografts
#5
Lasun O Oladeji, James P Stannard, Cristi R Cook, Mauricio Kfuri, Brett D Crist, Matthew J Smith, James L Cook
BACKGROUND: Transplantation of fresh osteochondral allografts (OCAs) is an attractive treatment option for symptomatic articular cartilage lesions in young, healthy patients. Because the lack of OCA bone integration can be a cause of treatment failure, methods for speeding and enhancing OCA bone integration to mitigate this potential complication are highly desirable. PURPOSE: To determine if autogenous bone marrow aspirate concentrate (BMC) treatment of large femoral condylar OCAs would be associated with superior radiographic OCA bone integration compared with nontreated allografts during the critical first 6 months after surgery...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28719779/cement-casting-to-optimize-reconstruction-of-chronic-osteochondral-lesions-of-the-talus
#6
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
#7
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
#8
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
#9
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
#10
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
#11
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
#12
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
#13
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
#14
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)...
July 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
#15
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
#16
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
#17
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
#18
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
#19
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
#20
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
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