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Allograft ligament

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https://www.readbyqxmd.com/read/29351870/de-novo-generation-in-an-in-vivo-rat-model-and-biomechanical-characterization-of-autologous-transplants-for-ligament-and-tendon-reconstruction
#1
Marc Soubeyrand, Elisabeth Laemmel, Nathalie Maurel, Amadou Diop, Thierry Lazure, Jacques Duranteau, Eric Vicaut
BACKGROUND: Surgical reconstruction of ligaments and tendons is frequently required in clinical practice. The commonly used autografts, allografts, or synthetic transplants present limitations in terms of availability, biocompatibility, cost, and mechanical properties that tissue bioengineering aims to overcome. It classically combines an exogenous extracellular matrix with cells, but this approach remains complex and expensive. Using a rat model, we tested a new bioengineering strategy for the in vivo and de novo generation of autologous grafts without the addition of extracellular matrix or cells, and analyzed their biomechanical and structural properties...
December 14, 2017: Clinical Biomechanics
https://www.readbyqxmd.com/read/29349022/arthroscopic-delivery-of-injectable-bone-graft-for-staged-revision-anterior-cruciate-ligament-reconstruction
#2
Kent T Yamaguchi, Gina M Mosich, Kristofer J Jones
Bone defects caused by femoral and tibial tunnel enlargement can pose a significant technical challenge when planning to perform revision anterior cruciate ligament reconstruction. A number of options have been described for managing osseous deficiencies, including the use of large autograft or allograft bone dowels to provide sufficient tunnel fill and subsequent structural support for revision surgery. These techniques can be time-consuming and technically demanding to ensure proper tunnel fill and press-fit stability of the bone graft...
December 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/29343450/paediatric-physeal-sparing-posterior-cruciate-ligament-pcl-reconstruction-with-parental-donation-allograft-rationale-and-operative-approach
#3
R S Khakha, S K Yasen, A J Wilson
BACKGROUND: Paediatric PCL injuries are rare but constitute a significant management challenge. We describe a novel approach to the surgical management of an 11-year-old boy who presented with persisting symptomatic instability following 18months of failed conservative therapy. METHODS: PCL reconstruction was performed using a physeal sparing, all-inside technique under fluoroscopic control. This avoids the potential for iatrogenic growth injury. A parentally donated hamstrings allograft was used to ensure adequate graft size, and reinforced using a non-elastic two millimetre braided suture...
January 14, 2018: Knee
https://www.readbyqxmd.com/read/29319735/tibial-tunnel-enlargement-and-joint-instability-after-anterior-cruciate-ligament-reconstruction-a-prospective-comparison-between-autograft-and-allograft
#4
Qiang Zhang, Guangliang Hao, Mingyong Gu, Xuecheng Cao
PURPOSE: To investigate tibial tunnel widening and knee instability after ACL reconstruction with hamstring autograft or irradiated soft tissue allograft. METHODS: Eight-two patients were divided into two groups: autograft group and allograft group. Radiographic and clinical evaluations were performed. RESULTS: Seventy patients were followed up with median of 36.3 months (range 36-38 months). Tibial tunnel widening was at or greater than 30% for nine patients in the autograft group and 15 patients in the allograft group (P = 0...
December 2017: Acta Cirúrgica Brasileira
https://www.readbyqxmd.com/read/29304972/editorial-commentary-adult-stem-cell-potential-to-enhance-healing-of-the-anterior-cruciate-ligament
#5
EDITORIAL
Monique C Chambers, Freddie H Fu
Even with the most accurate individualized, anatomic approach to anterior cruciate ligament (ACL) reconstruction, the potential for graft failure still exists, with reported retear rates as low as 5%, and even higher in female athletes or patients reconstructed with allograft. ACL graft healing is dependent on several factors, including anatomic placement, appropriate graft choice, proper technique, recovery time, and the biological environment of nature. If the double-bundle concept is followed and individualized for each patient's anatomic morphology, the ACL will biologically reform...
January 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29298454/risk-factors-for-contralateral-acl-injury-a-single-institution-case-control-study
#6
Todd P Pierce, Kimona Issa, Kaitlin Cassidy, Anthony Festa, Vincent K McInerney, Anthony J Scillia
Our purpose was to evaluate if there is any association between requiring contralateral anterior cruciate ligament (ACL) reconstruction and various: (1) demographics, (2) patient characteristics, and (3) surgery-specific factors. A prospectively collected database at a single institution was queried to find all patients who underwent primary ACL reconstruction between 2012 and 2014. We identified 312 primary ACL reconstruction patients with a mean age of 24 years and a mean follow-up of 3 years (range, 2-5 years)...
January 3, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29298084/risk-of-infection-after-allograft-anterior-cruciate-ligament-reconstruction-are-nonprocessed-allografts-more-likely-to-get-infected-a-cohort-study-of-over-10-000-allografts
#7
Anthony Yu, Heather A Prentice, William E Burfeind, Tadhashi Funahashi, Gregory B Maletis
BACKGROUND: Allograft tissue is frequently used in anterior cruciate ligament reconstruction (ACLR). It is often irradiated and/or chemically processed to decrease the risk of disease transmission, but some tissue is aseptically harvested without further processing. Irradiated and chemically processed allograft tissue appears to have a higher risk of revision, but whether this processing decreases the risk of infection is not clear. PURPOSE: To determine the incidence of deep surgical site infection after ACLR with allograft in a large community-based sample and to evaluate the association of allograft processing and the risk of deep infection...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29287949/comparison-of-clinical-outcomes-after-anterior-cruciate-ligament-reconstruction-using-a-hybrid-graft-versus-a-hamstring-autograft
#8
Hong-De Wang, Shi-Jun Gao, Ying-Ze Zhang
PURPOSE: This study aimed to compare the clinical outcomes of patients who underwent anterior cruciate ligament (ACL) reconstruction with a hybrid graft versus an autograft after 3 years of follow-up. METHODS: Among 57 patients with an ACL injury who underwent ACL reconstruction, 28 patients received a hybrid graft (gracilis and semitendinosus tendon autograft plus a soft tissue allograft) and 29 patients received an autograft (gracilis and semitendinosus tendon autograft)...
December 26, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29279750/anterior-longitudinal-ligament-reconstruction-to-reduce-hypermobility-of-cervical-and-lumbar-disc-arthroplasty
#9
Ralph J Mobbs, Jia Xi Julian Li, Kevin Phan
Study Design: Retrospective case series. Purpose: This study aims to present the early clinical and radiological outcomes of anterior longitudinal ligament (ALL) reconstruction following disc arthroplasty. Overview of Literature: Although cervical and lumbar disc arthroplasty have entered the clinical setting, there are still concerns regarding the short and long term complications arising from hypermobility of current prosthesis designs. Reconstruction of the ALL is a potential solution to disc arthroplasty hypermobility...
December 2017: Asian Spine Journal
https://www.readbyqxmd.com/read/29273255/revision-multiligament-knee-reconstruction-clinical-outcomes-and-proposed-treatment-algorithm
#10
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...
December 19, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29273252/supercritical-carbon-dioxide-sterilized-bone-allograft-in-the-treatment-of-tunnel-defects-in-2-stage-revision-anterior-cruciate-ligament-reconstruction-a-histologic-evaluation
#11
Gerrit J Van de Pol, Fiona Bonar, Lucy J Salmon, Justin P Roe, Leo A Pinczewski
PURPOSE: To examine the histologic properties of supercritical carbon dioxide (sCO2)-sterilized bone allograft for tunnel grafting and determine in vivo graft quality, as well as graft incorporation and remodeling, in 2-stage revision anterior cruciate ligament (ACL) surgery. METHODS: Histologic evaluation was performed in 12 subjects undergoing 2-stage revision ACL reconstruction. In the first stage, the femoral and tibial tunnels were debrided, tunnel dimensions were measured, and tunnels were grafted with sCO2-sterilized bone allograft...
December 19, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29247811/irradiated-allograft-versus-autograft-for-anterior-cruciate-ligament-reconstruction-a-meta-analysis-and-systematic-review-of-prospective-studies
#12
REVIEW
Hong-De Wang, Yan-Bin Zhu, Tian-Rui Wang, Wei-Fei Zhang, Ying-Ze Zhang
BACKGROUND: Irradiated allografts and autografts are commonly used for anterior cruciate ligament (ACL) reconstruction. The outcomes between these two grafts are controversial. This meta-analysis and systematic review of prospective comparative studies was performed to compare the clinical outcomes, including knee functionality, stability, subjective evaluation, complications, and failure, of irradiated allografts and autografts in primary ACL reconstruction. MATERIALS AND METHODS: PubMed, Embase, and the Cochrane Library were searched from database inception to 12 August 2017 to identify prospective studies that compared irradiated allografts with autografts for primary ACL reconstruction...
December 13, 2017: International Journal of Surgery
https://www.readbyqxmd.com/read/29244692/reconstruction-of-extended-bone-defects-using-massive-allografts-combined-with-surgical-angiogenesis-a-case-report
#13
Victoria Struckmann, Gerhard Schmidmaier, Thomas Ferbert, Ulrich Kneser, Thomas Kremer
CASE: A 20-year-old patient presented with an extended composite knee defect with destruction of the medial femoral condyle, including the medial collateral ligament. Treatment included using an anterolateral thigh flap for soft-tissue reconstruction, tensor fasciae latae muscle for ligament repair, and a massive allogenic bone graft of the medial femoral condyle that was revascularized with an osteocutaneous composite free flap from the contralateral femur. At 17 months postoperatively, the outcome was evaluated with scores on several established scales and radiographic assessment...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29244532/risk-factors-and-predictors-of-significant-chondral-surface-change-from-primary-to-revision-anterior-cruciate-ligament-reconstruction-a-moon-and-mars-cohort-study
#14
Robert A Magnussen, James R Borchers, Angela D Pedroza, Laura J Huston, Amanda K Haas, Kurt P Spindler, Rick W Wright, Christopher C Kaeding, Christina R Allen, Allen F Anderson, Daniel E Cooper, Thomas M DeBerardino, Warren R Dunn, Brett A Lantz, Barton Mann, Michael J Stuart, John P Albright, Annunziato Amendola, Jack T Andrish, Christopher C Annunziata, Robert A Arciero, Bernard R Bach, Champ L Baker, Arthur R Bartolozzi, Keith M Baumgarten, Jeffery R Bechler, Jeffrey H Berg, Geoffrey A Bernas, Stephen F Brockmeier, Robert H Brophy, Charles A Bush-Joseph, J Brad Butler, John D Campbell, James L Carey, James E Carpenter, Brian J Cole, Jonathan M Cooper, Charles L Cox, R Alexander Creighton, Diane L Dahm, Tal S David, David C Flanigan, Robert W Frederick, Theodore J Ganley, Elizabeth A Garofoli, Charles J Gatt, Steven R Gecha, James Robert Giffin, Sharon L Hame, Jo A Hannafin, Christopher D Harner, Norman Lindsay Harris, Keith S Hechtman, Elliott B Hershman, Rudolf G Hoellrich, Timothy M Hosea, David C Johnson, Timothy S Johnson, Morgan H Jones, Ganesh V Kamath, Thomas E Klootwyk, Bruce A Levy, C Benjamin Ma, G Peter Maiers, Robert G Marx, Matthew J Matava, Gregory M Mathien, David R McAllister, Eric C McCarty, Robert G McCormack, Bruce S Miller, Carl W Nissen, Daniel F O'Neill, Brett D Owens, Richard D Parker, Mark L Purnell, Arun J Ramappa, Michael A Rauh, Arthur C Rettig, Jon K Sekiya, Kevin G Shea, Orrin H Sherman, James R Slauterbeck, Matthew V Smith, Jeffrey T Spang, Steven J Svoboda, Timothy N Taft, Joachim J Tenuta, Edwin M Tingstad, Armando F Vidal, Darius G Viskontas, Richard A White, James S Williams, Michelle L Wolcott, Brian R Wolf, James J York
BACKGROUND: Articular cartilage health is an important issue following anterior cruciate ligament (ACL) injury and primary ACL reconstruction. Factors present at the time of primary ACL reconstruction may influence the subsequent progression of articular cartilage damage. HYPOTHESIS: Larger meniscus resection at primary ACL reconstruction, increased patient age, and increased body mass index (BMI) are associated with increased odds of worsened articular cartilage damage at the time of revision ACL reconstruction...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29225019/primary-versus-revision-anterior-cruciate-ligament-reconstruction-patient-demographics-radiographic-findings-and-associated-lesions
#15
Justin J Mitchell, Mark E Cinque, Grant J Dornan, Lauren M Matheny, Chase S Dean, Brad Kruckeberg, Gilbert Moatshe, Jorge Chahla, Robert F LaPrade
PURPOSE: The purpose of this study was to evaluate the differences in intra-articular pathology, demographic characteristics, and radiographic characteristics of the knee associated with primary anterior cruciate ligament reconstruction (ACLR) versus revision ACLR at the time of initial presentation with either a native anterior cruciate ligament tear or an anterior cruciate ligament graft tear. Secondarily, we aimed to investigate risk factors for concomitant medial and lateral meniscal tears and cartilage injuries at the time of ACLR...
December 7, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29201295/a-comparative-study-of-clinical-outcomes-and-second-look-arthroscopic-findings-between-remnant-preserving-tibialis-tendon-allograft-and-hamstring-tendon-autograft-in-anterior-cruciate-ligament-reconstruction-matched-pair-design
#16
You Keun Kim, Jong Hyun Ahn, Jae Doo Yoo
Background: This study aimed to compare stability, functional outcome, and second-look arthroscopic findings after anterior cruciate ligament reconstruction between remnant-preserving tibialis tendon allograft and remnant-sacrificing hamstring tendon autograft. Methods: We matched two groups (remnant-preserving tibialis tendon allograft group and hamstring tendon autograft group) in terms of demographic characteristics, associated injury, and knee characteristics...
December 2017: Clinics in Orthopedic Surgery
https://www.readbyqxmd.com/read/29183690/home-based-intravenous-analgesia-with-elastomeric-pump-as-an-outpatient-procedure-for-pain-control-after-anterior-cruciate-ligament-repair
#17
J Villalba, J Peñalver, P Torner, M Serra, J Planell
OBJECTIVE: To follow up pain in the immediate postoperative period, using an elastomeric pump in anterior cruciate ligament surgery. MATERIAL AND METHODS: 309 patients who had undergone anterior cruciate ligament repair with bone-tendon-bone allograft. Pain control was assessed with a visual analogue scale (VAS) during the immediate postoperative period, in the postoperative care unit, in the recovery room, and after the first 24-48-72hours following home discharge...
November 25, 2017: Revista Española de Cirugía Ortopédica y Traumatología
https://www.readbyqxmd.com/read/29167416/second-look-arthroscopic-evaluation-and-clinical-outcomes-of-anatomic-anterior-cruciate-ligament-reconstruction-with-autograft-and-hybrid-graft-a-retrospective-study
#18
Hongtao Xu, Jiangtao Dong, Dongmei Xin, Jian Zhang, Kai Kang, Shijun Gao
BACKGROUND Graft choice is very controversial. This study compared the second-look evaluation and clinical outcomes of anatomic ACL-R using a thin autograft versus a thick hybrid graft. MATERIAL AND METHODS Sixty-eight patients who had received ACL-R with hamstring autograft or autograft-allograft hybrid graft accepted second-look arthroscopy were grouped (autograft: n=31, age: 32.8±8.9, Male/Female: 16/15, and hybrid graft: n=37, age: 33.9±8.4, Male/Female: 27/10). Patients were evaluated with the functional score and KT-1000 test before reconstruction...
November 23, 2017: Medical Science Monitor: International Medical Journal of Experimental and Clinical Research
https://www.readbyqxmd.com/read/29166217/the-radiologist-s-primer-to-imaging-the-noncuff-nonlabral-postoperative-shoulder
#19
Christopher R Smith, Jason T Yoon, Jeremiah R Long, Michael V Friedman, Travis J Hillen, James D Stensby
Many radiologists are familiar with the preoperative imaging assessment of patients with labral tears, rotator cuff abnormalities, and end-stage arthritis, as well as the subsequent primary reconstructions and repairs commonly encountered in routine clinical management. However, the second-line surgical procedures and augmentation procedures performed for refractory or recurrent shoulder instability and the extra-articular surgical procedures of the shoulder girdle may challenge even the most experienced musculoskeletal radiologist...
November 22, 2017: Radiographics: a Review Publication of the Radiological Society of North America, Inc
https://www.readbyqxmd.com/read/29160630/synthetic-grafts-in-the-treatment-of-ruptured-anterior-cruciate-ligament-of-the-knee-joint
#20
REVIEW
Wojciech Satora, Aleksandra Królikowska, Andrzej Czamara, Paweł Reichert
The anterior cruciate ligament (ACL) is cited as the most frequently injured ligament in the knee. The standard treatment of ACL injury remains ligament reconstruction followed by a postoperative physiotherapeutic procedure. During the reconstruction, the torn ligament can be replaced with an autograft or an allograft. A synthetic ligament is also one of the available graft options. Synthetic grafts in ruptured ACL treatment have been used as scaffolds, stents, or prostheses. The story of using synthetic materials in ACL deficient knee treatment started in the beginning of the 20th century with the usage of silk and silver fibers...
January 2017: Polimery W Medycynie
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