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https://www.readbyqxmd.com/read/27922985/video-analysis-of-anterior-cruciate-ligament-acl-injuries-a-systematic-review
#1
Victor R Carlson, Frances T Sheehan, Barry P Boden
BACKGROUND: As the most viable method for investigating in vivo anterior cruciate ligament (ACL) rupture, video analysis is critical for understanding ACL injury mechanisms and advancing preventative training programs. Despite the limited number of published studies involving video analysis, much has been gained through evaluating actual injury scenarios. METHODS: Studies meeting criteria for this systematic review were collected by performing a broad search of the ACL literature with use of variations and combinations of video recordings and ACL injuries...
November 29, 2016: JBJS Reviews
https://www.readbyqxmd.com/read/27918596/degeneration-in-acl-injured-knees-with-and-without-reconstruction-in-relation-to-muscle-size-and-fat-content-data-from-the-osteoarthritis-initiative
#2
Pia M Jungmann, Thomas Baum, Michael C Nevitt, Lorenzo Nardo, Alexandra S Gersing, Nancy E Lane, Charles E McCulloch, Ernst J Rummeny, Thomas M Link
BACKGROUND: Anterior cruciate ligaments (ACL) injuries represent a major risk factor for early osteoarthritis (OA). PURPOSE: To evaluate the prevalence and 4-year progression of knee OA measured with 3T MR-imaging in individuals with ruptured, reconstructed or normal ACL and to assess the impact of thigh muscle characteristics. METHODS: A total of 54 knees (23/54 male, 31/54 female) were recruited from the Osteoarthritis Initiative (OAI). At baseline, 15/54 subjects had prevalent ACL ruptures and 15/54 subjects had prevalent ACL reconstruction (24/54 normal ACL)...
2016: PloS One
https://www.readbyqxmd.com/read/27885394/sports-specific-differences-in-postsurgical-infections-after-arthroscopically-assisted-anterior-cruciate-ligament-reconstruction
#3
Werner Krutsch, Johannes Zellner, Florian Zeman, Michael Nerlich, Matthias Koch, Christian Pfeifer, Peter Angele
PURPOSE: Post-operative infection after arthroscopically assisted anterior cruciate ligament (ACL) reconstruction is a rare but severe complication, particularly for young and active patients. It is unclear whether the prevalence of knee infection is correlated with the type of sports or the level of performance. METHODS: From 2008 to 2012, the internal single-centre ACL registry of the FIFA Medical Centre of Excellence Regensburg was retrospectively screened for sex, age, time between isolated primary ACL rupture and surgery, surgical technique, rate of infection after ACL reconstruction and the type of sports practised...
November 24, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27857501/prospective-study-of-the-anterior-cruciate-ligament-reconstruction-associated-with-high-tibial-opening-wedge-osteotomy-in-knee-arthritis-associated-with-instability
#4
Raju Vaishya, Vipul Vijay, Gyanendra Kumar Jha, Amit Kumar Agarwal
INTRODUCTION: Chronic ACL insufficiency with associated varus malalignment due to knee osteoarthritis (OA) is challenging to treat surgically. A combined ACL reconstruction (ACLR) with medial open wedge high tibial osteotomy (HTO) without using any metallic implant for HTO is an effective technique. MATERIALS AND METHOD: All the patients attending the outpatient department ACL injury and with associated medial compartment OA (Kellegren's grade 2 and grade 3) were considered for inclusion in the study...
October 2016: Journal of Clinical Orthopaedics and Trauma
https://www.readbyqxmd.com/read/27843365/a-systematic-review-to-evaluate-exercise-for-anterior-cruciate-ligament-injuries-does-this-approach-reduce-the-incidence-of-knee-osteoarthritis
#5
REVIEW
Koji J Duncan, Jaclyn N Chopp-Hurley, Monica R Maly
PURPOSE: Among a variety of conservative and surgical options to treat anterior cruciate ligament (ACL) injuries, we do not understand which options could potentially prevent knee osteoarthritis (OA). The aim of this systematic review was to examine the evidence pertaining to exercise treatment of ACL injuries in the context of knee OA. METHODS: Medline, Embase, CINAHL, PubMed, and PEDro (Physiotherapy Evidence Database) databases were systematically searched using keywords encompassed within four primary key terms: knee, osteoarthritis, anterior cruciate ligament, and exercise...
2016: Open Access Rheumatology: Research and Reviews
https://www.readbyqxmd.com/read/27837219/acl-substitution-may-improve-kinematics-of-pcl-retaining-total-knee-arthroplasty
#6
Thomas Zumbrunn, Michael P Duffy, Harry E Rubash, Henrik Malchau, Orhun K Muratoglu, Kartik Mangudi Varadarajan
PURPOSE: One of the key factors responsible for altered kinematics and joint stability following contemporary total knee arthroplasty (TKA) is resection of the anterior cruciate ligament (ACL). However, ACL retention can present several technical challenges, and in some cases may not be viable due to an absent or nonfunctional ACL. Therefore, the goal of this research was to investigate whether substitution of the ACL through an anterior post mechanism could improve kinematic deficits of contemporary posterior cruciate ligament (PCL) retaining implants...
November 11, 2016: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/27803940/association-between-meniscal-and-chondral-lesions-and-timing-of-anterior-cruciate-ligament-reconstruction
#7
Gustavo Constantino de Campos, Wilton Nery, Paulo Eduardo Portes Teixeira, Paulo Henrique Araujo, Wilson de Mello Alves
BACKGROUND: Rupture of the anterior cruciate ligament (ACL) is a common sports injury and is known to be associated with an increased risk of knee osteoarthritis. Several studies have indicated that the risk of additional injuries to the menisci and articular cartilage increases with delays in the treatment of ACL tears. However, no consensus has been reached regarding the ideal timing for ACL reconstruction in terms of preventing secondary lesions. PURPOSE: To determine how the time elapsed between an ACL lesion and its reconstruction affects the incidence of meniscal and chondral lesions...
October 2016: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/27803622/effects-of-mental-imagery-on-muscular-strength-in-healthy-and-patient-participants-a-systematic-review
#8
REVIEW
Maamer Slimani, David Tod, Helmi Chaabene, Bianca Miarka, Karim Chamari
The aims of the present review were to (i) provide a critical overview of the current literature on the effects of mental imagery on muscular strength in healthy participants and patients with immobilization of the upper extremity (i.e., hand) and anterior cruciate ligament (ACL), (ii) identify potential moderators and mediators of the "mental imagery-strength performance" relationship and (iii) determine the relative contribution of electromyography (EMG) and brain activities, neural and physiological adaptations in the mental imagery-strength performance relationship...
September 2016: Journal of Sports Science & Medicine
https://www.readbyqxmd.com/read/27793803/biomechanical-effects-of-an-injury-prevention-program-in-preadolescent-female-soccer-athletes
#9
Julie A Thompson, Andrew A Tran, Corey T Gatewood, Rebecca Shultz, Amy Silder, Scott L Delp, Jason L Dragoo
BACKGROUND: Anterior cruciate ligament (ACL) injuries are common, and children as young as 10 years of age exhibit movement patterns associated with an ACL injury risk. Prevention programs have been shown to reduce injury rates, but the mechanisms behind these programs are largely unknown. Few studies have investigated biomechanical changes after injury prevention programs in children. PURPOSE/HYPOTHESIS: To investigate the effects of the F-MARC 11+ injury prevention warm-up program on changes to biomechanical risk factors for an ACL injury in preadolescent female soccer players...
October 28, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27755010/neuromuscular-training-availability-and-efficacy-in-preventing-anterior-cruciate-ligament-injury-in-high-school-sports-a-retrospective-cohort-study
#10
Jared J Murray, Colleen M Renier, Jenny J Ahern, Barbara A Elliott
OBJECTIVE: To document neuromuscular training (NMT) availability and its relationship to anterior cruciate ligament (ACL) injuries in 4 major high school sports by gender, sport, and rural/urban geography, with the hypothesis that increased exposure to NMT would be associated with fewer ACL injuries. DESIGN: A retrospective cohort study. SETTING: All Minnesota high schools identified in the Minnesota State High School League (MSHSL) database for fall 2014 boys' football and soccer, and girls' volleyball and soccer...
October 17, 2016: Clinical Journal of Sport Medicine: Official Journal of the Canadian Academy of Sport Medicine
https://www.readbyqxmd.com/read/27747918/predictors-of-knee-joint-loading-after-anterior-cruciate-ligament-reconstruction
#11
Elizabeth Wellsandt, Ashutosh Khandha, Kurt Manal, Michael J Axe, Thomas S Buchanan, Lynn Snyder-Mackler
Anterior cruciate ligament (ACL) injury results in altered knee joint mechanics which frequently continue even after ACL reconstruction. The persistence of altered mechanical loading of the knee is of concern due to its likely role in the development of post-traumatic osteoarthritis (OA). Joint contact forces are associated with post-traumatic OA development, but evaluation of factors influencing the magnitude of contact forces after ACL injury is needed to advance current strategies aimed at preventing post-traumatic OA...
October 17, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27734019/predictors-of-revision-surgery-after-primary-anterior-cruciate-ligament-reconstruction
#12
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/27728954/anterior-cruciate-ligament-repair-with-internal-brace-ligament-augmentation
#13
William T Wilson, Graeme P Hopper, Paul A Byrne, Gordon M MacKay
BACKGROUND: Anterior cruciate ligament (ACL) reconstruction using tendon or ligament autograft is the gold standard surgical treatment for acute ruptures; however, this is still associated with subsequent problems and variable outcomes. Renewed interest in healing of injured ACL tissue has led to new surgical repair techniques. CASE DESCRIPTION: We report the case of one of the first patients to undergo this novel procedure of ACL repair with internal bracing. An internal brace is a bridging concept using braided suture tape and knotless bone anchors to reinforce ligament strength...
October 6, 2016: Surgical Technology International
https://www.readbyqxmd.com/read/27672573/biologic-agents-for-anterior-cruciate-ligament-healing-a-systematic-review
#14
Berardo Di Matteo, Markus Loibl, Luca Andriolo, Giuseppe Filardo, Johannes Zellner, Matthias Koch, Peter Angele
AIM: To systematically review the currently available literature concerning the application of biologic agents such as platelet-rich plasma (PRP) and stem cells to promote anterior cruciate ligament (ACL) healing. METHODS: A systematic review of the literature was performed on the use of biologic agents (i.e., PRP or stem cells) to favor ACL healing during reconstruction or repair. The following inclusion criteria for relevant articles were used: Clinical reports of any level of evidence, written in English language, on the use of PRP or stem cells during ACL reconstruction/repair...
September 18, 2016: World Journal of Orthopedics
https://www.readbyqxmd.com/read/27671712/the-role-of-subchondral-bone-damage-in-post-traumatic-osteoarthritis
#15
Thomas R Coughlin, Oran D Kennedy
Osteoarthritis (OA), the most common musculoskeletal disease in the United States, is characterized by cartilage breakdown, pain, and restricted movement. Post-traumatic OA (PTOA) occurs subsequent to traumatic joint injury, such as anterior cruciate ligament (ACL) rupture, and makes up 12% of the overall disease burden, with healthcare costs of approximately $3 billion/year. The current paradigm for PTOA is based on the observation that joint injury affects multiple tissues, all of which may contribute to subsequent joint failure...
November 2016: Annals of the New York Academy of Sciences
https://www.readbyqxmd.com/read/27669500/mapping-current-research-trends-on-neuromuscular-risk-factors-of-non-contact-acl-injury
#16
Radin Rafeeuddin, Raihana Sharir, Filip Staes, Bart Dingenen, Keith George, Mark A Robinson, Jos Vanrenterghem
The aim of this systematic review was (i) to identify neuromuscular markers that have been predictive of a primary non-contact ACL injury, (ii) to assess whether proposed risk factors have been supported or refuted in the literature from cohort and case-control studies, and (iii) to reflect on the body of research that aims at developing field based tools to assess risk through an association with these risk factors. Electronic searches were undertaken, of PubMed, SCOPUS, Web of Science, CINAHL and SPORTDiscus examining neuromuscular risk factors associated with ACL injury published between January 1990 and July 2015...
June 15, 2016: Physical Therapy in Sport
https://www.readbyqxmd.com/read/27650754/chitosan-oligosaccharide-suppresses-synovial-inflammation-via-ampk-activation-an-in-vitro-and-in-vivo-study
#17
Wanlop Kunanusornchai, Bhee Witoonpanich, Tulyapruek Tawonsawatruk, Rath Pichyangkura, Varanuj Chatsudthipong, Chatchai Muanprasat
Synovial inflammation plays an important role in the early pathogenesis of osteoarthritis (OA). Chitosan oligosaccharide (COS) has been shown to activate AMPK and suppress inflammatory responses in intestinal epithelial cells. This study aimed to investigate the effect of COS on AMPK activation and synovial inflammation using both primary cultures of synoviocytes and a rabbit model of anterior cruciate ligament (ACL) transection-induced OA. COS induced AMPK activation in both rabbit and human synoviocytes. The mechanism of COS-induced AMPK activation involves an increase in the ADP/ATP ratio but not calcium/calmodulin-dependent protein kinase kinase beta (CaMKKβ)...
September 17, 2016: Pharmacological Research: the Official Journal of the Italian Pharmacological Society
https://www.readbyqxmd.com/read/27612195/mechanisms-prediction-and-prevention-of-acl-injuries-cut-risk-with-three-sharpened-and-validated-tools
#18
REVIEW
Timothy E Hewett, Gregory D Myer, Kevin R Ford, Mark V Paterno, Carmen E Quatman
Economic and societal pressures influence modern medical practice to develop and implement prevention strategies. Anterior cruciate ligament (ACL) injury devastates the knee joint leading to short term disability and long term sequelae. Due to the high risk of long term osteoarthritis in all treatment populations following ACL injury, prevention is the only effective intervention for this life-altering disruption in knee health. The "Sequence of Prevention" Model provides a framework to monitor progress towards the ultimate goal of preventing ACL injuries...
November 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27607303/accelerometer-based-determination-of-gait-variability-in-older-adults-with-knee-osteoarthritis
#19
Christian A Clermont, John M Barden
Knee osteoarthritis (KOA) can affect the spatiotemporal (ST) aspects of gait as well as the variability of select ST parameters based on standard linear measures of variability (e.g., standard deviation (SD) and coefficient of variation). Non-linear measures (e.g., fractal scaling index (FSI) and sample entropy) can be more sensitive to changes in gait variability, and have been used to quantify differences in the stride patterns of patients with Parkinson's disease and the motion of ACL-deficient knees. However, the effect of KOA on the dynamic complexity of the stride pattern has not been investigated...
August 24, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27581178/we-need-to-implement-current-evidence-in-early-rehabilitation-programs-to-improve-long-term-outcome-after-anterior-cruciate-ligament-injury
#20
May Arna Risberg, Hege Grindem, Britt Elin Øiestad
We like to think that we are successful in the treatment of individuals with anterior cruciate ligament (ACL) injury, but recent literature reveals that only about 60% of these individuals make a full recovery, less than 60% return to sport, and more than 50% develop knee osteoarthritis (OA) by middle age. Both short- and long-term outcomes after ACL injury and reconstruction need attention and action. We need to implement strategies early after ACL injury to prevent the development and progression of posttraumatic OA, rather than "sit and wait" until posttraumatic knee OA has developed...
September 2016: Journal of Orthopaedic and Sports Physical Therapy
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