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Acl allograft

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https://www.readbyqxmd.com/read/27894180/causes-of-failure-of-anterior-cruciate-ligament-reconstruction-and-revision-surgical-strategies
#1
Paolo Di Benedetto, Enrico Di Benedetto, Andrea Fiocchi, Alessandro Beltrame, Araldo Causero
Purpose: Long-term outcomes of anterior cruciate ligament (ACL) reconstruction are good or excellent; however, 0.7%-20% of patients suffer from recurrent instability due to graft failure. The purpose of this paper was to analyse failure aetiology and the possibilities of revision surgical strategies, with a description of our experience. We obtained optimal and good results in most of our patients. Materials and Methods: We retrospectively reviewed 42 patients who underwent revision surgery (43 revisions) due to relapsing instability after ACL reconstruction between 2006 and 2015...
December 1, 2016: Knee Surgery & related Research
https://www.readbyqxmd.com/read/27876265/a-prospective-randomized-comparison-of-two-distinct-allogenic-tissue-constructs-for-anterior-cruciate-ligament-reconstruction
#2
Michael B Rose, Christopher Domes, Mehwish Farooqi, Dennis C Crawford
BACKGROUND: Conduct a prospective randomized study to compare clinical outcomes of anterior cruciate ligament (ACL) reconstruction using quadrupled hamstring tendon (HT) allograft or doubled tibialis anterior (TA) allograft. Limited level 1 data exist comparing outcomes of different soft tissue allograft constructs for ACL reconstruction. We hypothesized no difference would exist in the patient reported outcomes (PRO), arthrometric testing, or rate of re-rupture between the two constructs...
December 2016: Knee
https://www.readbyqxmd.com/read/27871659/graft-selection-in-anterior-cruciate-ligament-surgery-who-gets-what-and-why
#3
REVIEW
Kyle R Duchman, T Sean Lynch, Kurt P Spindler
Anterior cruciate ligament (ACL) injuries are common and affect a young, active patient population. Despite much research, ACL reconstruction graft choice remains a topic of debate. Based on the best available evidence, autograft seems to be superior to allograft for ACL reconstruction in young, active patients. Future high-level studies are required in order to better define the role of allograft in ACL reconstruction. As graft choice is often influenced by surgeon preference, it is important that surgeons understand the current literature as well as the goals of their patients...
January 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/27836690/clinical-outcomes-of-acl-reconstruction-with-tibialis-anterior-allograft-using-an-anteromedial-portal-approach
#4
Jason Capo, Steven D Shamah, Laith Jazrawi, Eric Strauss
No abstract text is available yet for this article.
December 2016: Knee
https://www.readbyqxmd.com/read/27803939/mechanoreceptor-reinnervation-of-autografts-versus-allografts-after-anterior-cruciate-ligament-reconstruction
#5
Simon W Young, Roberto D Valladares, Florence Loi, Jason L Dragoo
BACKGROUND: Loss of proprioceptive function occurs after anterior cruciate ligament (ACL) rupture. Clinical, motor, and proprioceptive function is known to improve after ACL reconstruction but does not return to normal. While histological studies of human ACL allografts have been unable to demonstrate mechanoreceptor reinnervation, animal data suggest that reinnervation may occur when an autograft is used. PURPOSE: To compare the presence or absence of mechanoreceptors between allograft versus autograft after ACL reconstruction in humans...
October 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27802924/improved-acl-reconstruction-outcome-using-double-layer-bptb-allograft-compared-to-that-using-four-strand-hamstring-tendon-allograft
#6
Yingzhen Niu, Chao Niu, Xiaomeng Wang, Junhang Liu, Pengkai Cao, Fei Wang, Jinghui Niu
BACKGROUND: This study compared the clinical outcomes of anterior cruciate ligament reconstruction using double-layer bone-patellar tendon-bone (DBPTB) allografts and four-strand hamstring (4SHS) grafts. METHODS: This prospective randomized controlled trial included 101 patients. Of these, 50 patients received DBPTB allografts, and 51 received 4SHS grafts. Evaluations included KT-1000 arthrometer measurements, Lachman tests, pivot-shift tests, the International Knee Documentation Committee (IKDC) classification and Lysholm scores at three year postoperative follow-up...
December 2016: Knee
https://www.readbyqxmd.com/read/27766344/anterior-laxity-and-patient-reported-outcomes-7%C3%A2-years-after-acl-reconstruction-with-a-fresh-frozen-tibialis-allograft
#7
Emily Meike, S M Howell, M L Hull
PURPOSE: After reconstructing a torn ACL with a soft tissue allograft, the long-term healing process of graft maturation following the short-term healing process of graft incorporation into the bone tunnels might lead to recurring instability and concomitant decreases in the activity level, function, and patient satisfaction. Relying on roentgen stereophotogrammetric analysis (RSA), the primary purpose was to determine whether anterior laxity increased and whether patient-reported outcomes declined between 1 and 7 years for a particular graft construct, surgical technique, and rehabilitation programme...
October 20, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27743079/the-evolution-of-primary-double-bundle-acl-reconstruction-and-recovery-of-early-post-operative-range-of-motion
#8
Verena M Schreiber, Susan S Jordan, Gregory A Bonci, James J Irrgang, Freddie H Fu
PURPOSE: The aim of this study was to analyse early post-operative range of motion (ROM) as our anatomic double-bundle (DB) anterior cruciate (ACL) reconstruction technique with respect to tunnel placement evolved. It is the hypothesis of this study that more anatomic placement of the femoral insertion site of the anteromedial (AM) bundle of the ACL results in better restoration of early post-operative knee range of motion. METHODS: Two methods of DB ACL reconstruction regarding more accurate placement of the femoral AM tunnel in relation to its anatomic origin were compared...
October 14, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27734019/predictors-of-revision-surgery-after-primary-anterior-cruciate-ligament-reconstruction
#9
Mohammad A Yabroudi, Haukur Björnsson, Andrew D Lynch, Bart Muller, Kristian Samuelsson, Majd Tarabichi, Jón Karlsson, Freddie H Fu, Christopher D Harner, James J Irrgang
BACKGROUND: Revision anterior cruciate ligament (ACL) reconstruction surgery occurs in 5% to 15% of individuals undergoing ACL reconstruction. Identifying predictors for revision ACL surgery is of essence in the pursuit of creating adequate prevention programs and to identify individuals at risk for reinjury and revision. PURPOSE: To determine predictors of revision ACL surgery after failed primary ACL reconstruction. STUDY DESIGN: Case-control study; Level of evidence, 3...
September 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27682300/supplementary-tibial-fixation-in-anterior-cruciate-ligament-reconstruction-direct-cortical-fixation-using-spiked-washer-screw-vs-post-tie-using-washer-screw
#10
J H Noh, H S Kyiung, K H Yoon, Y H Roh
We compare clinical outcomes of two different supplementary tibial fixation in anterior cruciate ligament (ACL) reconstruction using free tendon Achilles allograft. Eighty subjects underwent ACL reconstruction using Endobutton CL for femoral fixation and Bio-interference screw for tibial fixation. Supplementary tibial fixation was performed as direct -cortical fixation using spiked washer screw (group I) or as post-tie using washer screw (group II). -Lachman test, pivot shift test, IKDC classification, Lysholm score, and side-to-side difference (SSD) were evaluated...
August 2016: Acta Orthopaedica Belgica
https://www.readbyqxmd.com/read/27661048/autograft-versus-allograft-in-anterior-cruciate-ligament-reconstruction-a-meta-analysis-with-trial-sequential-analysis
#11
Shun-Li Kan, Zhi-Fang Yuan, Guang-Zhi Ning, Bo Yang, Hai-Liang Li, Jing-Cheng Sun, Shi-Qing Feng
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction is considered as the standard surgical procedure for the treatment of ACL tear. However, there is a crucial controversy in terms of whether to use autograft or allograft in ACL reconstruction. The purpose of this meta-analysis is to compare autograft with allograft for patients undergoing ACL reconstruction. METHODS: PubMed, EMBASE, and the Cochrane Library were searched for randomized controlled trials that compared autograft with allograft in ACL reconstruction up to January 31, 2016...
September 2016: Medicine (Baltimore)
https://www.readbyqxmd.com/read/27642774/hot-topics-in-the-multicenter-orthopedics-outcomes-network-anterior-cruciate-ligament
#12
Robert W Westermann, Thomas Sean Lynch, Kurt P Spindler
Since 2015, the Multicenter Orthopedic Outcomes Network (MOON) has addressed several factors associated with patient outcome after anterior cruciate ligament (ACL) injury. These factors include predictors of high grade knee laxity, the impact of meniscus treatment on joint space narrowing after surgery, graft selection, treating diabetic patients, predictors of clinically significant pain, and outcomes of patients where meniscus tears were left in situ without treatment. The presence of meniscus tears and generalized laxity predict a lax examination under anesthesia prior to surgery...
October 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27568219/double-layer-versus-single-layer-bone-patellar-tendon-bone-anterior-cruciate-ligament-reconstruction-a-prospective-randomized-study-with-3-year-follow-up
#13
Xiaoliang Mei, Zhenxiang Zhang, Jingwen Yang
PURPOSE: To evaluate the clinical results of a randomized controlled trial of single-layer versus double-layer bone-patellar tendon-bone (BPTB) anterior cruciate ligament (ACL) reconstruction. METHODS: Fifty-eight subjects who underwent primary ACL reconstruction with a BPTB allograft were prospectively randomized into two groups: single-layer reconstruction (n = 31) and double-layer reconstruction (n = 27). The following evaluation methods were used: clinical examination, KT-1000 arthrometer measurement, muscle strength, Tegner activity score, Lysholm score, subjective rating scale regarding patient satisfaction and sports performance level, graft retear, contralateral ACL tear, and additional meniscus surgery...
August 27, 2016: Archives of Orthopaedic and Trauma Surgery
https://www.readbyqxmd.com/read/27517057/anterior-cruciate-ligament-reconstruction-using-a-combination-of-autograft-and-allograft-tendon-a-moon-cohort-study
#14
James E Darnley, Benjamin Léger-St-Jean, Angela D Pedroza, David C Flanigan, Christopher C Kaeding, Robert A Magnussen
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction with hamstring autografts less than 8.5 mm in diameter is associated with worse patient-reported outcome scores and increased risk of revision surgery compared with reconstructions performed with larger grafts. One proposed solution to small autograft harvest is to create a hybrid graft by augmenting autografts with allograft tissue to increase graft diameter. PURPOSE: To compare hybrid autograft/allograft ACL reconstruction to autograft ACL reconstruction, specifically analyzing the patient-reported outcome scores and the risk of revision surgery at 2 years postoperative...
July 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27485123/mri-based-acl-graft-maturity-does-not-predict-clinical-and-functional-outcomes-during-the-first-year-after-acl-reconstruction
#15
Hong Li, Jiwu Chen, Hongyun Li, Ziying Wu, Shiyi Chen
PURPOSE: To determine whether magnetic resonance image (MRI)-based graft maturity predicts clinical and functional scores during the first year after ACL reconstruction. METHODS: Patients with unilateral ACL reconstruction were prospectively invited to participate in this study, and they were examined using a 3.0-T MRI scan at 3, 6, and 12 months after the operation. Clinical examinations were performed on the same day, including subjective functional examinations, physical examinations and the KT-1000 test...
August 2, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27466222/irradiated-hamstring-tendon-allograft-versus-autograft-for-anatomic-double-bundle-anterior-cruciate-ligament-reconstruction-midterm-clinical-outcomes
#16
Shaoqi Tian, Bin Wang, Lun Liu, Yuanhe Wang, Chengzhi Ha, Qicai Li, Xu Yang, Kang Sun
BACKGROUND: Most studies on grafts for anterior cruciate ligament (ACL) reconstruction (ACLR) have been of autografts or nonirradiated allografts with a single-bundle (SB) technique. Outcome reports evaluating anatomic double-bundle (DB) ACLR with a hamstring tendon autograft versus irradiated allograft are rare. PURPOSE: To compare the clinical outcomes of arthroscopic anatomic DB ACLR with a hamstring tendon autograft versus irradiated allograft. STUDY DESIGN: Randomized controlled trial; Level of evidence, 2...
October 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27438006/does-sterilization-with-fractionated-electron-beam-irradiation-prevent-acl-tendon-allograft-from-tissue-damage
#17
T Schmidt, D Grabau, J H Grotewohl, U Gohs, A Pruß, M Smith, S Scheffler, A Hoburg
PURPOSE: Allografts are frequently used for anterior cruciate ligament (ACL) reconstruction. However, due to the inherent risk of infection, a method that achieves complete sterilization of grafts is warranted without impairing their biomechanical properties. Fractionation of electron beam (FEbeam) irradiation has been shown to maintain similar biomechanical properties compared to fresh-frozen allografts (FFA) in vitro. Therefore, aim of this study was to evaluate the biomechanical properties and early remodelling of grafts that were sterilized with fractionated high-dose electron beam irradiation in an in vivo sheep model...
July 20, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27385681/surgical-technique-trends-in-primary-acl-reconstruction-from-2007-to-2014
#18
Lisa Tibor, Priscilla H Chan, Tadashi T Funahashi, Ronald Wyatt, Gregory B Maletis, Maria C S Inacio
BACKGROUND: The surgical technique for anterior cruciate ligament (ACL) reconstruction has evolved as a result of improved understanding of ligament biomechanics, anatomy, device development, and failed reconstructions. Studies on surgical technique preferences have been limited to surgeon surveys, which are subject to selection and recall bias. The purpose of this study was to evaluate ACL reconstruction surgical technique and yearly revision rate trends in a community-based setting...
July 6, 2016: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/27355284/revision-anterior-cruciate-ligament-reconstruction-results-of-a-single-stage-approach-using-allograft-dowel-bone-grafting-for-femoral-defects
#19
Brian C Werner, Carl J Gilmore, Joshua C Hamann, Cree M Gaskin, John J Carroll, Joseph M Hart, Mark D Miller
INTRODUCTION: The purpose of this study was to present results of single-stage revision anterior cruciate ligament (ACL) reconstruction using an allograft bone dowel for isolated femoral bony deficiency. METHODS: Sixteen patients underwent single-stage revision ACL reconstruction using an allograft bone dowel for isolated femoral bony deficiency between 2007 and 2012. Twelve patients (75%) completed study visits, which included CT scans as well as completion of validated outcomes measures...
August 2016: Journal of the American Academy of Orthopaedic Surgeons
https://www.readbyqxmd.com/read/27349433/anterior-cruciate-ligament-reconstruction-with-bone-patellar-tendon-bone-autograft-versus-allograft-in-skeletally-mature-patients-aged-25%C3%A2-years-or-younger
#20
Patrick W Kane, Jocelyn Wascher, Christopher C Dodson, Sommer Hammoud, Steven B Cohen, Michael G Ciccotti
PURPOSE: The purpose of this study is to evaluate the clinical outcomes and revision rates of skeletally mature patients aged 25 years or younger who have undergone either BPTB autograft or deep-frozen, non-irradiated BPTB allograft ACL reconstruction by a single surgeon. METHODS: Two hundred and twenty-four patients aged 25 or younger at the time of surgery were identified as having a transtibial ACL reconstruction with either a BPTB autograft or deep-frozen, non-irradiated BPTB allograft by one senior surgeon (101 autografts vs...
June 27, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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