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ACL reconstruction

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https://www.readbyqxmd.com/read/29337596/the-influence-of-graft-fixation-methods-on-revision-rates-after-primary-anterior-cruciate-ligament-reconstruction
#1
Niclas H Eysturoy, Kåre Amtoft Nissen, Torsten Nielsen, Martin Lind
BACKGROUND: The method of graft fixation in primary anterior cruciate ligament (ACL) reconstruction is important for initial stability of the graft. Poor graft fixation can result in failure of the reconstruction. The effect of ACL graft fixation principles and fixation implant combinations on the risk of revision after ACL reconstruction is not well understood. PURPOSE: The study aimed to compare the risk of revision among 4 categories of femoral fixation divided by their principle of function using a hamstring tendon (HT) graft only...
January 1, 2018: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29332225/over-90%C3%A2-of-children-and-adolescents-return-to-sport-after-anterior-cruciate-ligament-reconstruction-a-systematic-review-and-meta-analysis
#2
REVIEW
Jeffrey Kay, Muzammil Memon, Robert G Marx, Devin Peterson, Nicole Simunovic, Olufemi R Ayeni
PURPOSE: To evaluate the rate at which children and adolescent athletes return to sporting activities after anterior cruciate ligament (ACL) reconstruction. METHODS: Three databases, PubMed, MEDLINE, and EMBASE, were searched from database inception until September 9, 2017 by two reviewers independently and in duplicate. The inclusion criteria were English language studies that reported return to sport outcomes. Book chapters, conference papers, review articles, and technical reports were excluded...
January 13, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29329888/associations-between-cartilage-proteoglycan-density-and-patient-outcomes-12months-following-anterior-cruciate-ligament-reconstruction
#3
Brian Pietrosimone, Daniel Nissman, Darin A Padua, J Troy Blackburn, Matthew S Harkey, Robert A Creighton, Ganesh M Kamath, Kaitlin Healy, Randy Schmitz, Jeffrey B Driban, Steve W Marshall, Joanne M Jordan, Jeffrey T Spang
BACKGROUND: Lower proteoglycan density (PGD) of the articular cartilage may be an early marker of osteoarthritis following anterior cruciate ligament (ACL) reconstruction (ACL-R). The purpose this study was to determine associations between the Knee Injury and Osteoarthritis Outcomes Score (KOOS) and PGD of the articular cartilage in the femur and tibia 12-months following ACL-R. METHODS: We evaluated KOOS pain, symptoms, function in activities of daily living (ADL), function in sport and recreation (Sport), and quality of life (QOL), as well as PGD using T1rho magnetic resonance imaging in 18 individuals 12...
January 9, 2018: Knee
https://www.readbyqxmd.com/read/29327544/-clinical-outcome-of-arthroscopic-anterior-cruciate-ligament-remnant-preserving-reconstruction
#4
Min Wei, Juan-Li Zhu, Yang Liu
OBJECTIVE: To evaluate the clinical outcome of arthroscopic anterior cruciate ligament(ACL)reconstruction with remnant cuff preservation. METHODS: There were 42 cases of ACL tear were performed reconstruction in our department from January 2012 to December 2014. The patients were 28.4 years old on average, 17 males and 25 females. ACL reconstruction was performed under arthroscopy with remnant cuff preservation. The stability of knee was assessed by Lachman test and anterior drawer test...
January 25, 2017: Zhongguo Gu Shang, China Journal of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/29319735/tibial-tunnel-enlargement-and-joint-instability-after-anterior-cruciate-ligament-reconstruction-a-prospective-comparison-between-autograft-and-allograft
#5
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/29318179/preoperative-ultrasonography-is-unreliable-in-predicting-hamstring-tendon-graft-diameter-for-acl-reconstruction
#6
Amit M Momaya, Clint Beicker, Paul Siffri, Michael J Kissenberth, Jeffrey Backes, Lane Bailey, Gabriel J Rulewicz, Jennifer M Mercuri, E Carlisle Shealy, John M Tokish, Charles A Thigpen
Background: Hamstring autograft size <8 mm has been shown to be a predictor for failure after anterior cruciate ligament (ACL) reconstruction. The ability to predict graft size preoperatively is helpful in counseling patients about the possible need for graft augmentation. Purpose: To determine whether preoperative ultrasound (US) measurements of hamstring tendons can predict intraoperative graft diameter during ACL reconstruction. Study Design: Cohort study (diagnosis); Level of evidence, 2...
January 2018: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29318172/clinical-factors-that-predict-a-second-acl-injury-after-acl-reconstruction-and-return-to-sport-preliminary-development-of-a-clinical-decision-algorithm
#7
Mark V Paterno, Bin Huang, Staci Thomas, Timothy E Hewett, Laura C Schmitt
Background: Biomechanical predictors of a second anterior cruciate ligament (ACL) injury after ACL reconstruction (ACLR) and return to sport (RTS) have been identified; however, these measures may not be feasible in a standard clinical environment. Purpose/Hypothesis: The purpose of this study was to evaluate whether standard clinical measures predicted the risk of second ACL injuries. The hypothesis tested was that a combination of strength, function, and patient-reported measures at the time of RTS would predict the risk of second ACL injuries with high sensitivity and specificity...
December 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29318171/mobile-web-based-follow-up-for-postoperative-acl-reconstruction-a-single-center-experience
#8
James Higgins, John Semple, Lucas Murnaghan, Sarah Sharpe, John Theodoropoulos
Background: The initial 6 weeks after surgery has been identified as an area for improvement in patient care. During this period, the persistence of symptoms that go unchecked can lead to unscheduled emergency room and clinic visits, calls to surgeons' offices, and readmissions. Purpose: To analyze postoperative data from a previous study examining postoperative outcomes in 2 patient populations following breast reconstruction and anterior cruciate ligament (ACL) reconstruction with use of a patient-centered mobile application...
December 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29313320/national-age-and-gender-specific-costs-in-anterior-cruciate-ligament-reconstruction-by-a-single-nationwide-private-payer
#9
Samuel Rosas, Jennifer Kurowicki, Michael Hughes, Karim Sabeh, Jonathan Sheu, Michael Baraga
BACKGROUND: Anterior cruciate ligament tears are an unfortunate, but common, event in the United States, with an estimated 100-300,000 reconstructions performed annually. Limited literature has been published analyzing the reimbursement patterns for the reconstruction of this ligament and, thus, cost-effectiveness studies have relied mainly on data from a limited number of subjects and hospitals. PURPOSE: The purpose of this study was to perform an epidemiological cost analysis of anterior cruciate ligament reconstructions and to analyze and describe the reimbursement patterns for this procedure that can be used as reference for future cost-analysis studies...
December 22, 2017: Surgical Technology International
https://www.readbyqxmd.com/read/29312850/anterolateral-rotatory-instability-in-vivo-correlates-tunnel-position-after-anterior-cruciate-ligament-reconstruction-using-bone-patellar-tendon-bone-graft
#10
Yasutaka Tashiro, Ken Okazaki, Koji Murakami, Hirokazu Matsubara, Kanji Osaki, Yukihide Iwamoto, Yasuharu Nakashima
AIM: To quantitatively assess rotatory and anterior-posterior instability in vivo after anterior cruciate ligament (ACL) reconstruction using bone-patellar tendon-bone (BTB) autografts, and to clarify the influence of tunnel positions on the knee stability. METHODS: Single-bundle ACL reconstruction with BTB autograft was performed on 50 patients with a mean age of 28 years using the trans-tibial (TT) (n = 20) and trans-portal (TP) (n = 30) techniques. Femoral and tibial tunnel positions were identified from the high-resolution 3D-CT bone models two weeks after surgery...
December 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29309971/effect-of-cognitive-challenge-on-the-postural-control-of-patients-with-acl-reconstruction-under-visual-and-surface-perturbations
#11
Alexis Lion, Paul Gette, Christophe Meyer, Romain Seil, Daniel Theisen
Our study aimed to evaluate the effect of cognitive challenge on double-leg postural control under visual and surface perturbations of patients with anterior cruciate ligament reconstruction (ACLR) cleared to return to sport. Double-leg stance postural control of 19 rehabilitated patients with ACLR (age: 24.8 ± 6.7 years, time since surgery: 9.2 ± 1.6 months) and 21 controls (age: 24.9 ± 3.7 years) was evaluated in eight randomized situations combining two cognitive (with and without silent backward counting in steps of seven), two visual (eyes open, eyes closed) and two surface (stable support, foam support) conditions...
December 15, 2017: Gait & Posture
https://www.readbyqxmd.com/read/29305288/clinical-outcomes-return-to-sports-and-patient-satisfaction-after-anterior-cruciate-ligament-reconstruction-in-young-and-middle-aged-patients-in-an-asian-population-a-2-year-follow-up-study
#12
Kae Sian Tay, Andrew Hwee Chye Tan
PURPOSE: To compare the clinical outcomes of arthroscopic anterior cruciate ligament (ACL) reconstruction in young and middle-aged Asians. METHODS: A retrospective study was performed using prospectively collected data from a tertiary institution ACL registry. All Asian patients with ACL tears who underwent primary arthroscopic ACL reconstruction by a single surgeon between 2008 and 2014, with minimum 2-year follow-up, were included. Patients with previous knee surgery or multiligamentous knee injuries were excluded...
January 2, 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29304972/editorial-commentary-adult-stem-cell-potential-to-enhance-healing-of-the-anterior-cruciate-ligament
#13
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/29304967/editorial-commentary-filling-the-void-in-translational-research-for-lateral-extra-articular-tenodesis-for-anterior-cruciate-ligament-reconstruction-are-we-saturated-with-biomechanical-studies
#14
EDITORIAL
Patrick A Smith
Anterior cruciate ligament (ACL) graft failure rates remain unacceptably high in certain populations, and researchers are examining the effect that the anterolateral ligament (ALL) has on knee stability following ACL reconstruction. Currently, most available research examining the ALL has focused on cadaveric biomechanical kinematic studies, including the effect of surgical techniques for ALL reconstruction/lateral extra-articular tenodesis (LET). However, it is critical for ongoing and future research to focus on clinical outcome measures relating to individuals who have had ALL reconstruction or LET along with their ACL reconstructions...
January 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29304962/editorial-commentary-three-dimensional-printing-and-stem-cells-may-be-a-game-changer-for-recovery-after-anterior-cruciate-ligament-reconstruction
#15
EDITORIAL
Vipool K Goradia
Placing stem cells at the tendon-bone interface of a soft tissue anterior cruciate ligament (ACL) reconstruction in an animal model accelerates graft incorporation at 12 weeks. A 3D-printed scaffold used to deliver the stem cells completely degraded at 12 weeks. Future clinical application of similar technology may improve outcomes after ACL reconstruction.
January 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29304102/activation-of-biceps-femoris-long-head-reduces-tibiofemoral-anterior-shear-force-and-tibial-internal-rotation-torque-in-healthy-subjects
#16
Nur Liyana Azmi, Ziyun Ding, Rui Xu, Anthony M J Bull
The anterior cruciate ligament (ACL) provides resistance to tibial internal rotation torque and anterior shear at the knee. ACL deficiency results in knee instability. Optimisation of muscle contraction through functional electrical stimulation (FES) offers the prospect of mitigating the destabilising effects of ACL deficiency. The hypothesis of this study is that activation of the biceps femoris long head (BFLH) reduces the tibial internal rotation torque and the anterior shear force at the knee. Gait data of twelve healthy subjects were measured with and without the application of FES and taken as inputs to a computational musculoskeletal model...
2018: PloS One
https://www.readbyqxmd.com/read/29299611/bone-morphology-and-morphometry-of-the-lateral-femoral-condyle-is-a-risk-factor-for-acl-injury
#17
Sebastiano Vasta, Renato Andrade, Rogério Pereira, Ricardo Bastos, Antonino Giulio Battaglia, Rocco Papalia, João Espregueira-Mendes
PURPOSE: The purpose of this study was to investigate the influence of the knee lateral compartment bony morphology and morphometry on risk of sustaining an anterior cruciate ligament (ACL) injury. METHODS: A total of 400 age and sex-matched patients (200 ACL-ruptured and 200 ACL-intact) were included. The lateral femoral and tibial bone morphology and morphometric parameters were measured on knee lateral radiographs, taken at 30° of knee flexion with overlapping of the femoral condyles...
January 3, 2018: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/29299497/comparison-of-clinical-outcomes-between-different-femoral-tunnel-positions-after-anterior-cruciate-ligament-reconstruction-surgery
#18
Seyed M Kazemi, Mohammad R Abbasian, Ali A Esmailijah, Ali Zafari, Zahra Salehi Shahrbabaki, Amir H Keshavarz, Nina Esmaeilijah, Farshad Safdari
Background: It has been shown that the proper placement of ACL graft during the ACL reconstruction surgery significantly improves the clinical outcomes. This study investigated whether a change in the femoral tunnel position in both axial and coronal planes can significantly alter the postoperative functional and clinical outcomes of the patients. Methods: This comparative, retrospective, single-center study was performed on 44 patients undergone single-bundle anterior cruciate ligament reconstruction (ACLR)...
November 2017: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29298454/risk-factors-for-contralateral-acl-injury-a-single-institution-case-control-study
#19
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/29298079/effect-of-dynamic-changes-in-anterior-cruciate-ligament-in-situ-graft-force-on-the-biological-healing-response-of-the-graft-tunnel-interface
#20
Richard Ma, Michael Schär, Tina Chen, Marco Sisto, Joseph Nguyen, Clifford Voigt, Xiang-Hua Deng, Scott A Rodeo
BACKGROUND: Anterior cruciate ligament (ACL) grafts that are placed for reconstruction are subject to complex forces. Current "anatomic" ACL reconstruction techniques may result in greater in situ graft forces. The biological effect of changing magnitudes of ACL graft force on graft-tunnel osseointegration is not well understood. PURPOSE: The research objective is to determine how mechanical force on the ACL graft during knee motion affects tendon healing in the tunnel...
January 1, 2018: American Journal of Sports Medicine
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