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Outcome of ACLR

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https://www.readbyqxmd.com/read/28919510/magnesium-mg-based-interference-screws-developed-for-promoting-tendon-graft-incorporation-in-bone-tunnel-in-rabbits
#1
Jiali Wang, Jiankun Xu, Bin Song, Dick Hokiu Chow, Patrick Shu-Hang Yung, Ling Qin
How to enhance tendon graft incorporation into bone tunnels for achieving satisfactory healing outcomes in patients with anterior cruciate ligament reconstruction (ACLR) is one of the most challenging clinical problems in orthopaedic sports medicine. Several studies have recently reported the beneficial effects of Mg implants in bone fracture healing, indicating the use potential of Mg devices in promoting the tendon graft osteointegration. Here, we developed an innovative Mg-based interference screws for fixation of the tendon graft in rabbits underwent ACLR and investigated the biological role of Mg-based implants in the graft healing...
September 14, 2017: Acta Biomaterialia
https://www.readbyqxmd.com/read/28918506/young-athletes-after-acl-reconstruction-with-quadriceps-strength-asymmetry-at-the-time-of-return-to-sport-demonstrate-decreased-knee-function-1%C3%A2-year-later
#2
Matthew P Ithurburn, Alex R Altenburger, Staci Thomas, Timothy E Hewett, Mark V Paterno, Laura C Schmitt
PURPOSE: Quadriceps femoris (QF) strength deficits at return-to-sport (RTS) after ACL reconstruction (ACLR) contribute to decreased knee function at the same time point. However, the impact of QF strength at RTS on longitudinal function has not been examined. The purpose of this study was to test the hypothesis that young athletes after ACLR with QF strength asymmetry at RTS would demonstrate decreased knee-related function and lower proportions of functional recovery at 1 year post-RTS compared to young athletes following ACLR with nearly symmetric QF strength at RTS...
September 16, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28915914/paradoxical-tunnel-enlargement-after-acl-reconstruction-with-hamstring-autografts-when-using-%C3%AE-tcp-containing-interference-screws-for-tibial-aperture-fixation-prospectively-comparative-study
#3
Joon Ho Wang, Eun Su Lee, Byung Hoon Lee
BACKGROUND: Tibial aperture fixation with a bioabsorbable interference screw is a popular fixation method in anterior cruciate ligament reconstruction (ACLR). An interference screw containing β-tricalcium phosphate (β-TCP) to improve bony integration and biocompatibility was recently introduced. This study aims to compare the clinical outcomes and radiological results of tunnel enlargement effect between the 2 bioabsorbable fixative devices of pure poly-L-lactic acid (PLLA) interference screws and β-TCP-containing screws, for tibial interference fixation in ACLR using hamstring autografts...
September 16, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28890904/thirty-year-experience-with-acl-reconstruction-using-patellar-tendon-a-critical-evaluation-of-revision-and-reoperation
#4
Andrew J Riff, Timothy J Luchetti, Alexander E Weber, Jaskarndip Chahal, Bernard R Bach
BACKGROUND: During the preoperative discussion prior to anterior cruciate ligament reconstruction (ACLR), patients are often interested in data regarding rates of revision reconstruction, reoperation, concomitant pathologic changes, and future contralateral ACL injury. PURPOSE: To analyze a single surgeon's experience with primary and revision ACLR over a 30-year interval, focusing on incidence and risk factors for revision and reoperation. STUDY DESIGN: Case series; Level of evidence, 4...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28856144/obesity-is-associated-with-poorer-range-of-motion-and-tegner-scores-following-hamstring-autograft-anterior-cruciate-ligament-reconstruction-in-asians
#5
Hamid Rahmatullah Bin Abd Razak, Hwei-Chi Chong, Hwee-Chye Andrew Tan
BACKGROUND: Current literature reporting on the impact of BMI on outcomes of orthopaedic surgical procedures is varied and inconsistent. The purpose of our study was to evaluate if body mass index (BMI) affects outcomes of primary anterior cruciate ligament reconstruction (ACLR) in an Asian population. METHODS: We retrospectively reviewed prospectively collected data of 141 consecutive patients who underwent primary ACLR by a single surgeon, the senior author of this study...
August 2017: Annals of Translational Medicine
https://www.readbyqxmd.com/read/28852345/outside-in-vs-anteromedial-portal-drilling-during-primary-acl-reconstruction-comparison-at-two-years
#6
Tyler CarlLee, Zach Ries, Kyle Duchman, Yubo Gao, Brian Wolf, Annunziato Amendola, Carolyn Hettrich, Matthew Bollier
BACKGROUND: Anteromedial (AM) and outside-in (OI) are two commonly used techniques for drilling the femoral tunnel during anterior cruciate ligament reconstruction (ACLR). The purpose of this study was to compare clinical and radiographic outcomes of patients undergoing primary ACLR using either AM or OI femoral drilling with minimum two year follow-up. METHODS: Overall, 138 prospectively enrolled patients undergoing primary ACLR underwent AM or OI femoral drilling...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28821912/the-remnant-preservation-technique-reduces-the-amount-of-bone-tunnel-enlargement-following-anterior-cruciate-ligament-reconstruction
#7
Shinya Yanagisawa, Masashi Kimura, Keiichi Hagiwara, Atsuko Ogoshi, Tomoyuki Nakagawa, Hiroyuki Shiozawa, Takashi Ohsawa, Hirotaka Chikuda
PURPOSE: The aim of the present study was to investigate the correlation between postoperative tunnel enlargement after ACLR and remnant tissue preservation using the hamstring tendon. METHODS: One hundred and ninety-two subjects (male, n = 101; female, n = 91; mean age 27.1) who had undergone double-bundle ACL reconstruction were included in the present study. The patients were divided into two groups: the remnant tissue preservation group (Group R) and the non-remnant tissue preservation group (Group N)...
August 18, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28804728/relationships-of-muscle-function-and-subjective-knee-function-in-patients-after-acl-reconstruction
#8
Stephan Bodkin, John Goetschius, Jay Hertel, Joe Hart
BACKGROUND: After anterior cruciate ligament reconstruction (ACLR), relationships between objective measures of muscle function and patient-reported outcomes may change over time. Examining these measures at different time frames after surgery may help develop individualized approaches to improve post-ALCR analysis. PURPOSE: To examine the associations between subjective knee function and lower-extremity muscle function in individual patients at various time points after ACLR...
July 2017: Orthopaedic Journal of Sports Medicine
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
#9
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/28797872/the-diameter-of-single-bundle-hamstring-autograft-does-not-significantly-influence-revision-rate-or-clinical-outcomes-after-anterior-cruciate-ligament-reconstruction
#10
Gregory C Wernecke, Alex Constantinidis, Ian A Harris, Bradley G Seeto, Darren B Chen, Samuel J MacDessi
BACKGROUND: Anterior cruciate ligament (ACL) graft failure is a complication of ACL reconstruction (ALCR). Smaller autograft diameter may be a contributing factor. Our aim was to determine if hamstring autograft diameter influences graft rupture and patient-reported outcome scores. METHODS: This study included 786 consecutive patients undergoing primary, single bundle, autograft hamstring ACLR. The primary outcome was revision ACLR surgery. Secondary outcomes were patient reported International Knee Documentation Committee (IKDC) score, Knee Injury & Osteoarthritis Outcome Score (KOOS) and Tegner Activity score...
August 7, 2017: Knee
https://www.readbyqxmd.com/read/28768432/effects-of-surgical-factors-on-cartilage-can-be-detected-using-quantitative-magnetic-resonance-imaging-after-anterior-cruciate-ligament-reconstruction
#11
Keiko Amano, Alan K Li, Valentina Pedoia, Matthew F Koff, Aaron J Krych, Thomas M Link, Hollis Potter, Scott Rodeo, Xiaojuan Li, C Benjamin Ma, Sharmila Majumdar
BACKGROUND: Quantitative magnetic resonance (qMR) can be used to measure macromolecules in tissues and is a potential method of observing early cartilage changes in the development of posttraumatic osteoarthritis. Hypothesis/Purpose: We hypothesized that specific patient and surgical factors affecting cartilage matrix composition after anterior cruciate ligament (ACL) reconstruction (ACLR) can be detected using T1ρ and T2 relaxation times. Our purpose was to demonstrate this ability in a multicenter feasibility study...
April 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28739425/associations-of-isokinetic-and-isotonic-knee-strength-with-knee-function-and-activity-level-after-anterior-cruciate-ligament-reconstruction-a-prospective-cohort-study
#12
Yong-Hao Pua, Jia-Ying Ho, Suelyn Ai-Sim Chan, Shin-Jiun Khoo, Hwei-Chi Chong
BACKGROUND: Although isokinetic dynamometry often serves as a reference to assess the concurrent validity of weight-machine isotonic strength testing, it is unknown whether isokinetic knee strength is associated with knee function and activity level more strongly than isotonic knee strength in patients with an anterior cruciate ligament reconstruction (ACLR). This study aimed to compare the associations of isokinetic and isotonic knee strength with knee function and work-and-sports activity levels in patients with ACLR...
July 21, 2017: Knee
https://www.readbyqxmd.com/read/28727937/preoperative-short-form-health-survey-score-is-predictive-of-return-to-play-and-minimal-clinically-important-difference-at-a-minimum-2-year-follow-up-after-anterior-cruciate-ligament-reconstruction
#13
Benedict U Nwachukwu, Brenda Chang, Pramod B Voleti, Patricia Berkanish, Matthew R Cohn, David W Altchek, Answorth A Allen, Riley J Williams
BACKGROUND: There is increased interest in understanding the preoperative determinants of postoperative outcomes. Return to play (RTP) and the patient-reported minimal clinically important difference (MCID) are useful measures of postoperative outcomes after anterior cruciate ligament reconstruction (ACLR). PURPOSE: To define the MCID after ACLR and to investigate the role of preoperative outcome scores for predicting the MCID and RTP after ACLR. STUDY DESIGN: Case-control study; Level of evidence, 3...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28667211/criteria-for-return-to-sport-after-anterior-cruciate-ligament-reconstruction-with-lower-reinjury-risk-cr-stal-study-protocol-for-a-prospective-observational-study-in-france
#14
Alexandre J M Rambaud, Bertrand Semay, Pierre Samozino, Jean-Benoît Morin, Rodolphe Testa, Rémi Philippot, Jérémy Rossi, Pascal Edouard
INTRODUCTION: The decision regarding when to return to sport after an anterior cruciate ligament reconstruction (ACLR) is an important one. Using a variety of subjective and objective parameters, various attempts have been made to determine an optimal timeline for a return to sport after ACLR, but none have been validated.The aim of the present study is therefore to determine which criteria or combination of criteria could allow to return to sport with the lowest possible risk of reinjury...
June 30, 2017: BMJ Open
https://www.readbyqxmd.com/read/28644677/young-athletes-after-anterior-cruciate-ligament-reconstruction-with-single-leg-landing-asymmetries-at-the-time-of-return-to-sport-demonstrate-decreased-knee-function-2-years-later
#15
Matthew P Ithurburn, Mark V Paterno, Kevin R Ford, Timothy E Hewett, Laura C Schmitt
BACKGROUND: Previous work shows that young athletes after anterior cruciate ligament reconstruction (ACLR) demonstrate single-leg (SL) landing movement asymmetries at the time of return to sport (RTS); however, the effect of movement asymmetries on longitudinal knee-related function after ACLR has not been examined. Hypothesis/Purpose: The purpose of this study was to examine the effect of SL drop-landing movement symmetry at the time of RTS on knee-related function 2 years later in young athletes after ACLR...
September 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28643103/patient-age-as-a-preoperative-factor-associated-with-tunnel-enlargement-following-double-bundle-anterior-cruciate-ligament-reconstruction-using-hamstring-tendon-autografts
#16
Shinya Yanagisawa, Masashi Kimura, Keiichi Hagiwara, Atsuko Ogoshi, Tomoyuki Nakagawa, Hiroyuki Shiozawa, Takashi Ohsawa
PURPOSE: A few studies have detected associations of post-operative tunnel enlargement with sex, age, and the timing of anterior cruciate ligament reconstruction (ACLR). The aim of the present study was to investigate the correlation between post-operative tunnel enlargement following ACLR using hamstring tendon autografts and preoperative factors. The authors hypothesized that tunnel enlargement is associated with age in patients undergoing ACLR. METHODS: One hundred and six patients (male, n = 57; female, n = 49; mean age, 26...
June 22, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28624854/superior-return-to-sports-rate-after-patellar-tendon-autograft-over-patellar-tendon-allograft-in-revision-anterior-cruciate-ligament-reconstruction
#17
Michèle N J Keizer, Roy A G Hoogeslag, Jos J A M van Raay, Egbert Otten, Reinoud W Brouwer
PURPOSE: After revision anterior cruciate ligament reconstruction (ACLR), the rate of return to the pre-injury type of sport (RTS type) is low and graft choice might be an important factor. The aim of this study was to determine whether there is a difference in outcome after revision ACLR using a patellar tendon allograft compared to an ipsilateral patellar tendon autograft. It was hypothesized that the rate of RTS type using an ipsilateral patellar tendon autograft will be superior to using patellar tendon allograft...
June 17, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28608009/clinical-outcomes-of-extra-articular-tenodesis-anterolateral-reconstruction-in-the-acl-injured-knee
#18
REVIEW
Bertrand Sonnery-Cottet, Nuno Camelo Barbosa, Thais Dutra Vieira, Adnan Saithna
PURPOSE: The role of concomitant extra-articular procedures in improving the outcome of ACL reconstruction has experienced a recent resurgence in interest. The aim of this article is to highlight the differences in philosophies and outcomes of historical lateral extra-articular tenodesis (LET) and contemporary, anterolateral reconstruction. METHODS: A narrative review was performed using PubMed/MEDLINE using the keywords "lateral extra-articular tenodesis" and "anterolateral ligament reconstruction"...
June 12, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28599980/generalized-hypermobility-knee-hyperextension-and-outcomes-after-anterior-cruciate-ligament-reconstruction-prospective-case-control-study-with-mean-6%C3%A2-years-follow-up
#19
Christopher M Larson, Asheesh Bedi, Mark E Dietrich, Jennifer C Swaringen, Corey A Wulf, David M Rowley, M Russell Giveans
PURPOSE: To determine whether generalized hypermobility and contralateral knee hyperextension affect failure rates and patient-related outcomes after anterior cruciate ligament reconstruction (ACLR). METHODS: A total of 226 consecutive patients presenting with acute ACL tears were prospectively evaluated for generalized hypermobility by a modified Beighton criteria. Minimum 2-year follow-up was achieved for 183 knees (81%). Patients underwent ACLR with either bone-patellar-tendon (BPTB) autograft (n = 46), quadrupled hamstring (HT) autograft (n = 85), or allograft tissue (n = 52)...
June 6, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28566780/radiologic-assessment-of-femoral-and-tibial-tunnel-placement-based-on-anatomic-landmarks-in-arthroscopic-single-bundle-anterior-cruciate-ligament-reconstruction
#20
Sandeep Kumar Nema, Gopisankar Balaji, Sujiv Akkilagunta, Jagdish Menon, Murali Poduval, Dilip Patro
BACKGROUND: Accurate tibial and femoral tunnel placement has a significant effect on outcomes after anterior cruciate ligament reconstruction (ACLR). Postoperative radiographs provide a reliable and valid way for the assessment of anatomical tunnel placement after ACLR. The aim of this study was to examine the radiographic location of tibial and femoral tunnels in patients who underwent arthroscopic ACLR using anatomic landmarks. Patients who underwent arthroscopic ACLR from January 2014 to March 2016 were included in this retrospective cohort study...
May 2017: Indian Journal of Orthopaedics
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