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Anterior cruciate ligament rupture

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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/27919864/taxonomy-for-the-rehabilitation-of-knee-conditions-trak-a-digital-intervention-to-support-the-self-care-components-of-anterior-cruciate-ligament-rehabilitation-protocol-of-a-feasibility-study
#2
Emma Dunphy, Fiona L Hamilton, Kate Button
BACKGROUND: Rupture of the anterior cruciate ligament (ACL) is common, especially in the active population. In defining the problem of ACL rehabilitation, this study draws from the knowledge that improved self-care, strength, and fitness are associated with better outcomes. Traditional rehabilitation involves regular physiotherapy, but it is not clear what the optimal way for delivering rehabilitation is, and it varies widely across the world. Evidence for treatments are discussed in the literature, however standard length of rehabilitation and frequency of appointments are unknown...
December 5, 2016: JMIR Research Protocols
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
#3
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
#4
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/27880968/results-of-a-new-treatment-concept-for-concomitant-lesion-of-medial-collateral-ligament-in-patients-with-rupture-of-anterior-cruciate-ligament
#5
Fabian Blanke, Jochen Paul, Maximilian Haenle, Jannes Sailer, Geert Pagenstert, Lutz von Wehren, Stephan Vogt, Martin Majewski
Anteromedial knee injury with rupture of anterior cruciate ligament (ACL) and concomitant lesion of medial collateral ligament (MCL) is common in athletes. No standardized treatment concept can be found within the literature. This study presents results of a new treatment concept for concomitant MCL lesions in patients with ACL rupture. In this study, 67 recreational athletes with ACL injury and concomitant MCL lesion were treated according to a distinct treatment concept. Patients were classified in six different types of concomitant MCL lesion depending on grade of MCL lesion and presence of anteromedial rotatory instability (AMRI)...
November 23, 2016: Journal of Knee Surgery
https://www.readbyqxmd.com/read/27879223/generation-of-human-induced-pluripotent-stem-cells-in-defined-feeder-free-conditions
#6
Athena Kyrkou, Dimitris Stellas, Marika Syrrou, Apostolos Klinakis, Theodore Fotsis, Carol Murphy
Herein, we describe a modified protocol for the generation of human induced pluripotent stem cells (hiPS) and expansion under defined, serum free and feeder free conditions. These cells exhibit a high level of plasticity towards various differentiation pathways both in vitro and in vivo. Ultimately, hiPS-derived lines achieved high standards of three dimensional differentiations on biomaterial scaffolds and promoted in vivo regeneration of complex organs, such as Anterior Cruciate Ligament (in swine ACL-rupture models) and other tissues as well...
September 2016: Stem Cell Research
https://www.readbyqxmd.com/read/27876265/a-prospective-randomized-comparison-of-two-distinct-allogenic-tissue-constructs-for-anterior-cruciate-ligament-reconstruction
#7
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/27871661/single-bundle-anatomic-anterior-cruciate-ligament-reconstruction-surgical-technique-pearls-and-pitfalls
#8
REVIEW
Chaitu S Malempati, Adam V Metzler, Darren L Johnson
Anterior cruciate ligament (ACL) ruptures are some of the most common sports-related injuries. Treatment of these injuries with ACL reconstruction has evolved over the last several decades. Anatomic single-bundle ACL reconstruction offers an accurate and reproducible method to reproduce native knee anatomy, restore knee kinematics, and ultimately restore function and decrease long-term degenerative effects. The importance of adequate arthroscopic visualization and a thorough understanding of the native anatomic ACL landmarks are discussed in this article...
January 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/27871655/surgical-indications-and-technique-for-anterior-cruciate-ligament-reconstruction-combined-with-lateral-extra-articular-tenodesis-or-anterolateral-ligament-reconstruction
#9
REVIEW
Bart Vundelinckx, Benjamin Herman, Alan Getgood, Robert Litchfield
After anterior cruciate ligament (ACL) rupture, anteroposterior and rotational laxity in the knee causes instability, functional symptoms, and damage to other intra-articular structures. Surgical reconstruction aims to restore the stability in the knee, and to improve function and ability to participate in sports. It also protects cartilage and menisci from secondary injuries. Because of persistent rotational instability after ACL reconstruction, combined intra-articular and extra-articular procedures are more commonly performed...
January 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/27859527/gait-mechanics-and-second-acl-rupture-implications-for-delaying-return-to-sport
#10
Jacob J Capin, Ashutosh Khandha, Ryan Zarzycki, Kurt Manal, Thomas S Buchanan, Lynn Snyder-Mackler
Second anterior cruciate ligament rupture is a common and devastating injury among young women who return to sport after ACL reconstruction, but it is inadequately understood. The purpose of this study was to compare gait biomechanics and return-to-sport time frames in a matched cohort of young female athletes who, after primary ACLR, returned to sport without re-injury or sustained a second ACL injury. Approximately 6 months after primary reconstruction, 14 young women (age 16 ± 2 years) involved in jumping, cutting, and pivoting sports underwent motion analysis testing after physical therapy and impairment resolution...
November 9, 2016: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/27855310/between-leg-differences-in-challenging-single-limb-balance-performance-one-year-following-anterior-cruciate-ligament-reconstruction
#11
Anna L Hatton, Kay M Crossley, Ross A Clark, Timothy S Whitehead, Hayden G Morris, Adam G Culvenor
Following anterior cruciate ligament (ACL) rupture, reconstructive surgery (ALCR) is often performed to mechanically stabilise the knee, however functional deficits often persist long after surgery. Impaired single-limb standing balance has been observed in the ACLR limb compared to healthy individuals. However, it remains inconclusive as to whether these same balance deficits exist between the injured and contralateral uninjured limbs, during challenging balance tasks, and at a time when patients are permitted to return to sport...
November 11, 2016: Gait & Posture
https://www.readbyqxmd.com/read/27846352/-risk-factors-and-frequency-in-re-ruptures-of-the-anterior-cruciate-ligament-in-adults
#12
M L Velázquez-Rueda, J P Martínez-Ávila, A G Pérez-Serna, F Gómez-García
BACKGROUND: The anterior cruciate ligament (ACL) takes part in the knees articular cinematic regulation, which is why its rupture should be repaired as soon as possible. The surgical treatment is targeted to substitute the ruptured ACL with a graft that recreates the anatomical and biomechanical functions. Nevertheless, there are different factors that may produce a second rupture. OBJECTIVE: To determine the risk factors and frequency of failure in the ACL reconstruction...
March 2016: Acta Ortopédica Mexicana
https://www.readbyqxmd.com/read/27833408/postoperative-evaluation-after-anterior-cruciate-ligament-reconstruction-measurements-and-abnormalities-on-radiographic-and-ct-imaging
#13
Minchul Kim, Yun Sun Choi, Hyoungseop Kim, Nam-Hong Choi
Reconstruction of a ruptured anterior cruciate ligament (ACL) is a well-established procedure for repair of ACL injury. Despite improvement of surgical and rehabilitation techniques over the past decades, up to 25% of patients still fail to regain satisfactory function after an ACL reconstruction. With development of CT imaging techniques for reducing metal artifacts, multi-planar reconstruction, and three-dimensional reconstruction, early post-operative imaging is increasingly being used to provide immediate feedback to surgeons regarding tunnel positioning, fixation, and device placement...
November 2016: Korean Journal of Radiology: Official Journal of the Korean Radiological Society
https://www.readbyqxmd.com/read/27816290/clinical-and-arthrometric-outcomes-of-an-anatomic-outside-in-single-bundle-anterior-cruciate-ligament-reconstruction-using-a-retrodrill
#14
David Figueroa, Rafael Calvo, Francisco Figueroa, Daniel Paccot, Guillermo Izquierdo, Nelson Morales
BACKGROUND: The main option to perform an anatomic anterior cruciate ligament (ACL) reconstruction is the anteromedial portal (AMP) technique. It has several reported complications (iatrogenic chondral injury, posterior-wall blowout, short sockets, increased risk of injury to common peroneal nerve). In an attempt to avoid these complications the outside-in (OI) technique was revived with the addition of a retrodrill. The aim of this study is to evaluate the clinical and arthrometric outcomes of a series of anatomical OI single bundle ACL reconstruction using a retrodrill...
December 2016: Knee
https://www.readbyqxmd.com/read/27811515/anterior-cruciate-ligament-reconstruction-in-pediatric-and-adolescent-patients-using-quadriceps-tendon-autograft
#15
Jay Albright, Ariel Kiyomi Lepon, Stephanie Mayer
Many techniques for reconstruction of pediatric and adolescent anterior cruciate ligament (ACL) ruptures have been described, yet the best technique to reproduce normal kinematics of the knee while causing minimal growth disturbance is not definitively determined. We describe a technique which adapts the Allen Anderson technique for all-inside, all-epiphyseal, anatomic ACL reconstruction. However, this technique uses a novel quadriceps tendon-patellar bone-autograft to provide the best-possible patient outcomes...
December 2016: Sports Medicine and Arthroscopy Review
https://www.readbyqxmd.com/read/27803940/association-between-meniscal-and-chondral-lesions-and-timing-of-anterior-cruciate-ligament-reconstruction
#16
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/27803939/mechanoreceptor-reinnervation-of-autografts-versus-allografts-after-anterior-cruciate-ligament-reconstruction
#17
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/27802963/does-the-chronicity-of-anterior-cruciate-ligament-ruptures-influence-patient-reported-outcomes-before-surgery
#18
Joseph T Nguyen, David Wasserstein, Emily K Reinke, Kurt P Spindler, Nabil Mehta, John B Doyle, Robert G Marx
BACKGROUND: The time between an anterior cruciate ligament (ACL) injury and ACL reconstruction (ACLR) may influence baseline knee-related and general health-related patient-reported outcome measures (PROMs). Despite the common use of PROMs as main outcomes in clinical studies, this variable has never been evaluated. PURPOSE: To compare baseline health-related quality of life measures and the prevalence/pattern of meniscal and articular cartilage lesions between patients who underwent acute and chronic ACLR so as to provide clinicians with benchmark PROMs in 2 different patient populations with ACL injuries...
November 1, 2016: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/27792220/anterior-cruciate-ligament-injury-profile-in-italian-serie-a1-a2-women-s-volleyball-league
#19
Francesca Devetag, Massimiliano Mazzilli, Roberto Benis, Antonio La Torre, Matteo Bonato
BACKGROUND: The aim of this study was to assess how anterior cruciate ligament (ACL) ruptures with subsequently surgery reconstruction were sustaining during the professional career of women's' volleyball players of A1-A2 Italian volleyball league. METHODS: Using an observational study with a retrospective case-series design for ACL ruptures, 125 teams with 1488 players were monitored. Subjects had to report level, role, injury modality, lower limb injured, laterality, period of the season and age...
October 28, 2016: Journal of Sports Medicine and Physical Fitness
https://www.readbyqxmd.com/read/27792218/anterior-cruciate-ligament-injury-profile-in-female-elite-italian-basketball-league
#20
Roberto Benis, Antonio LA Torre, Matteo Bonato
BACKGROUND: In female basketball athletes Anterior Cruciate Ligament (ACL) injury is the most frequent lower limb injury. Because it is very difficult to get a clear picture of the risk inherent in elite female Italian basketball players, we designed an observational study with a retrospective case-series design with the aim to investigate the incidence of ACL injury in elite Italian basketball league. METHODS: Thirty-two professional female basketball teams (n=352 players) participated to the study...
October 28, 2016: Journal of Sports Medicine and Physical Fitness
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