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ACL injurie

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https://www.readbyqxmd.com/read/28430526/the-bow-tie-shape-of-the-anterior-cruciate-ligament-as-visualized-by-high-resolution-magnetic-resonance-imaging
#1
Kang Min Sohn, Min Jin Lee, Helen Hong, Young Cheol Yoon, Chan Deok Park, Joon Ho Wang
BACKGROUND: Although numerous studies have examined the anatomic characteristics of the anterior cruciate ligament (ACL), its actual shape remains unclear. PURPOSE: To determine the average shape of the ACL by analyzing its cross section through the use of high-resolution magnetic resonance imaging (MRI) data. STUDY DESIGN: Descriptive laboratory study. METHODS: The study included 96 MRIs, conducted using a 3.0-T magnet, to analyze the shape of the ACL...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28429045/assessment-of-the-alpha-angle-and-mobility-of-the-hip-in-patients-with-noncontact-anterior-cruciate-ligament-injury
#2
Osmar Valadao Lopes, Gustavo Tragnago, Cristiano Gatelli, Rogério Nascimento Costa, Leandro de Freitas Spinelli, Paulo Renato Fernandes Saggin, André Kuhn
PURPOSE: To evaluate the alpha angle of the hip in patients with noncontact anterior cruciate ligament (ACL) injury and compare it with patients without injury. In addition, external and internal rotation of the hip was assessed and correlated with the alpha angle. METHODS: The alpha angle of the ipsilateral hip was assessed in 41 subjects with non-contact ACL tear and compared with 39 subjects with no tear. The external and internal rotation of the ipsilateral hip was also evaluated...
April 20, 2017: International Orthopaedics
https://www.readbyqxmd.com/read/28425824/isolated-acl-versus-multiple-knee-ligament-injury-associations-with-patient-characteristics-cartilage-status-and-meniscal-tears-identified-during-acl-reconstruction
#3
Ronald W B Wyatt, Maria C S Inacio, Kate D Bellevue, Alan L Schepps, Gregory B Maletis
OBJECTIVES: The objectives of this study were to determine (1) if patients undergoing reconstruction of an isolated anterior cruciate ligament (ACL) tear had different characteristics (age, gender, body mass index [BMI]) than patients undergoing ACL reconstruction (ACLR) with multiple knee ligament (MKL) tears and (2) whether there was a difference in prevalence of articular cartilage injury and meniscus tears between these two groups. METHODS: Patients undergoing primary ACLR between February 2005 and September 2013 were identified through an ACLR registry...
April 20, 2017: Physician and Sportsmedicine
https://www.readbyqxmd.com/read/28424850/incidence-and-mri-characterization-of-the-spectrum-of-posterolateral-corner-injuries-occurring-in-association-with-acl-rupture
#4
Eduardo Frois Temponi, Lúcio Honório de Carvalho Júnior, Adnan Saithna, Mathieu Thaunat, Bertrand Sonnery-Cottet
OBJECTIVE: To determine the incidence and MRI characteristics of the spectrum of posterolateral corner (PLC) injuries occurring in association with anterior cruciate ligament (ACL) rupture. MATERIALS AND METHODS: We carried out a level IV, retrospective case series study. All patients clinically diagnosed with an ACL rupture between July 2015 and June 2016 who underwent MRI of the knee were included in the study. In addition to standard MRI knee reporting, emphasis was placed on identifying injury to the PLC and a description of involvement of these structures by two musculoskeletal radiologists...
April 20, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28405741/erratum-to-contributions-of-the-anterolateral-complex-and-the-anterolateral-ligament-to-rotatory-knee-stability-in-the-setting-of-acl-injury-a-roundtable-discussion
#5
Volker Musahl, Alan Getgood, Philippe Neyret, Steven Claes, Jeremy M Burnham, Cecile Batailler, Bertrand Sonnery-Cottet, Andy Williams, Andrew Amis, Stefano Zaffagnini, Jón Karlsson
No abstract text is available yet for this article.
April 12, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28405740/mri-is-not-reliable-in-diagnosing-of-concomitant-anterolateral-ligament-and-anterior-cruciate-ligament-injuries-of-the-knee
#6
Brian M Devitt, Richard O'Sullivan, Julian A Feller, Nicholas Lash, Tabitha J Porter, Kate E Webster, Timothy S Whitehead
PURPOSE: There has been a renewed interest in the anterolateral structures of the knee, including description of the anterolateral ligament (ALL) as a distinct structure. Recognizing injury to the ALL is challenging, particularly given the subjective nature of physical examination. Consequently, focus has turned to magnetic resonance imaging (MRI) to reach a preoperative diagnosis of this region. The aim of this study was to examine the ability of 3-Tesla (3T) MRI to identify the ALL in ACL-injured patients compared to a matched control group of ACL-intact patients...
April 12, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28400662/early-anterior-cruciate-ligament-reconstruction-can-save-meniscus-without-any-complications
#7
Chang-Ik Hur, Eun-Kyoo Song, Sung-Kyu Kim, Seung-Hun Lee, Jong-Keun Seon
BACKGROUND: Early ACL reconstruction, before retuning to activity eliminates recurrent episodes of instability and thereby decreases chances of meniscal and cartilage injury. However, there are no clear and uniform guidelines regarding the timing of ACL reconstruction or clarity in the definition of early and delayed reconstruction to reduce the complications after reconstruction in the ACL injured knee. The purpose of this study was to compare the clinical outcome, stability, muscle power, and postural control after early and delayed anterior cruciate ligament (ACL) reconstruction...
March 2017: Indian Journal of Orthopaedics
https://www.readbyqxmd.com/read/28397529/controlling-abnormal-joint-movement-inhibits-response-of-osteophyte-formation
#8
Kenji Murata, Takanori Kokubun, Yuri Morishita, Katsuya Onitsuka, Shuhei Fujiwara, Aya Nakajima, Tsutomu Fujino, Kiyomi Takayanagi, Naohiko Kanemura
Objective Osteoarthritis (OA) is induced by accumulated mechanical stress to joints; however, little has been reported regarding the cause among detailed mechanical stress on cartilage degeneration. This study investigated the influence of the control of abnormal joint movement induced by anterior cruciate ligament (ACL) injury in the articular cartilage. Design The animals were divided into 3 experimental groups: CAJM group ( n = 22: controlling abnormal joint movement), ACL-T group ( n = 22: ACL transection or knee anterior instability increased), and INTACT group ( n = 12: no surgery)...
April 1, 2017: Cartilage
https://www.readbyqxmd.com/read/28397457/a-retrospective-evaluation-of-anatomical-reinsertion-of-the-distal-biceps-brachii-tendon-using-an-acl-tightrope%C3%A2-rt-with-a-titanium-cortical-button-and-ultra-high-molecular-weight-polyethylene-suture-a-preliminary-report
#9
Jarosław Witkowski, Maciej Kentel, Aleksandra Królikowska, Paweł Reichert
BACKGROUND: Various surgical techniques for treating distal biceps brachii tendon injury have been described, and to date there is no consensus regarding the preferred fixation method for the anatomic reinsertion of the ruptured tendon. OBJECTIVES: The aim of the study was to clinically and functionally evaluate the upper limb after surgical anatomic reinsertion of the distal biceps brachii tendon using an ACL TightRope® RT with a titanium cortical button and ultra high molecular weight polyethylene (UHMWPE) suture, and to assess postoperative complications...
July 2016: Polimery W Medycynie
https://www.readbyqxmd.com/read/28393268/the-scientific-rationale-for-lateral-tenodesis-augmentation-of-intra-articular-acl-reconstruction-using-a-modified-lemaire-procedure
#10
Andy Williams, Simon Ball, Jo Stephen, Nathan White, Mary Jones, Andrew Amis
PURPOSE: The purpose of this work was to develop the rationale for adding a lateral extra-articular tenodesis to an ACL reconstruction in a knee with an injury that included both the ACL and anterolateral structures, and to show the early clinical picture. METHODS: The paper includes a review of recent anatomical and biomechanical studies of the anterolateral aspect of the knee. It then provides a detailed description of a modified Lemaire tenodesis technique. A short-term clinical follow-up of a case and control group was performed, with two sequential groups of patients treated by isolated ACL reconstruction, and by combined ACL plus lateral tenodesis...
April 9, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28391716/epidemiological-survey-of-anterior-cruciate-ligament-injury-in-japanese-junior-high-school-and-high-school-athletes-cross-sectional-study
#11
Saeko Takahashi, Toru Okuwaki
We investigated the incidence of anterior cruciate ligament (ACL) injuries among athletes in junior high school and high school by retrospectively reviewing Japan Sports Council notification data registered over a period of 10 years. The total number of ACL injuries during the 10-year period was 30,458, with an incidence of 0.81 per 1000 athlete-years. Among those with ACL injuries, the ratio of girls to boys was 2.8, and incidence of injury was significantly greater among girls than boys (1.36 as against 0...
April 10, 2017: Research in Sports Medicine
https://www.readbyqxmd.com/read/28389864/does-the-fifa-11-%C3%A2-injury-prevention-program-reduce-the-incidence-of-acl-injury-in-male-soccer-players
#12
Holly J Silvers-Granelli, Mario Bizzini, Amelia Arundale, Bert R Mandelbaum, Lynn Snyder-Mackler
BACKGROUND: The FIFA 11+ injury prevention program has been shown to decrease the risk of soccer injuries in men and women. The program has also been shown to decrease time loss resulting from injury. However, previous studies have not specifically investigated how the program might impact the rate of anterior cruciate ligament (ACL) injury in male soccer players. QUESTIONS/PURPOSES: The purpose of this study was to examine if the FIFA 11+ injury prevention program can (1) reduce the overall number of ACL injuries in men who play competitive college soccer and whether any potential reduction in rate of ACL injuries differed based on (2) game versus practice setting; (3) player position; (4) level of play (Division I or II); or (5) field type...
April 7, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28387150/improving-acl-reconstruction-outcomes
#13
Kevin E Wilk, Kurt P Spindler, Eric McCarty, Dustin Grooms, Karin Grävare Silbernagel
Anterior cruciate ligament (ACL) reconstruction is a common and predominantly successful surgical intervention. But are there specific preoperative patient characteristics or intraoperative surgeon decisions that lead to better or worse outcomes? And can understanding brain function changes of patients after ACL reconstruction reveal insights into the ways that postsurgical rehabilitation can be improved to further enhance outcomes? These intriguing and clinically applicable questions are addressed in this webinar titled "Improving ACL Reconstruction Outcomes," hosted jointly by JOSPT and JBJS...
March 2017: Journal of Orthopaedic and Sports Physical Therapy
https://www.readbyqxmd.com/read/28383764/risk-factors-for-radiographic-joint-space-narrowing-and-patient-reported-outcomes-of-post-traumatic-osteoarthritis-after-acl-reconstruction-data-from-the-moon-cohort
#14
Morgan H Jones, Kurt P Spindler
The Multicenter Orthopaedic Outcomes Network (MOON) is an NIH-funded prospective, longitudinal cohort of over 3500 patients who have undergone anterior cruciate ligament reconstruction (ACLR) by 14 sports medicine surgeons at 7 academic medical centers. Patient reported outcome questionnaires (PRO's) are completed at baseline and multiple timepoints after surgery, and a nested cohort of patients return for radiographs to assess the development of joint space changes. We review the risk factors for worse patient reported outcomes, the predictors of clinically significant symptoms of post-traumatic osteoarthritis (PTOA), and the factors associated with more radiographic joint space narrowing...
April 6, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28383436/clinical-outcomes-of-anterior-cruciate-ligament-reconstruction-using-lars-artificial-graft-with-an-at-least-7-year-follow-up
#15
Zhenyu Jia, Chenchen Xue, Wei Wang, Tianze Liu, Xuan Huang, Weidong Xu
The aim of our study was to assess the medium-term clinical outcomes of anterior cruciate ligament (ACL) reconstruction using the Ligament Advanced Reinforcement System (LARS) artificial ligament.A total of 168 patients who underwent arthroscopic ACL reconstruction with the LARS artificial ligament in our department were enrolled in our research. Only 125 met the inclusion/exclusion criteria, and 91 could ultimately be contacted to participate in our research. The mean follow-up was 92 ± 19 months. Physical examinations and a KT-1000 arthrometer were used to evaluate knee laxity...
April 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/28378509/hamstring-to-quadriceps-fatigue-ratio-offers-new-and-different-muscle-function-information-than-the-conventional-non-fatigued-ratio
#16
Matheus Daros Pinto, Anthony J Blazevich, Lars L Andersen, Pedro Mil-Homens, Ronei Silveira Pinto
Commonly used injury risk prediction tests such as the hamstring-to-quadriceps (H:Q) strength ratio appear to be poor predictors of non-contact injury. However, these tests are typically performed in a non-fatigued state, despite accumulated fatigue being an important risk factor for both hamstring strain (HS) and anterior cruciate ligament (ACL) injuries in professional soccer players PURPOSE: To examine the influence of neuromuscular fatigue on the H:Q strength ratio and the association between fatigued and non-fatigued ratio scores, after the effect of different H:Q calculation methods were compared and contrasted METHODS: Thirty-five professional soccer players performed a 30-repetition isokinetic fatigue test protocol...
April 4, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28378501/acl-reconstruction-does-not-induce-further-gamma-loop-abnormalities-on-the-intact-side-of-the-qf-a-longitudinal-study
#17
Yu Konishi
This study aimed to investigate the effect of surgery on the gamma-loop of the quadriceps on the side with an intact knee in patients with ACL injuries. We compared longitudinally the response of alpha motor neurons to vibration stimulation of the quadriceps on the side with an intact knee before and after ACL reconstruction. To evaluate alpha motor neuron response, we measured the maximal knee extension strength and integrated electromyography of the vastus medialis, vastus lateralis, and rectus femoris. After obtaining pre-vibration data from each subject, vibration stimulation was applied to the infrapatellar tendon, and the same measurements were performed immediately after stimulation...
April 4, 2017: Scandinavian Journal of Medicine & Science in Sports
https://www.readbyqxmd.com/read/28375893/management-of-acl-injuries-in-children-and-adolescents
#18
Peter D Fabricant, Mininder S Kocher
No abstract text is available yet for this article.
April 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28374066/high-prevalence-of-all-complex-segond-avulsion-using-ultrasound-imaging
#19
Burt Klos, Marlon Scholtes, Stephan Konijnenberg
PURPOSE: The aim of this study was to determine the prevalence of a Segond avulsion fractures in acute ACL tears with ultrasound and to investigate whether other injuries can predict the avulsion. MATERIALS AND METHODS: One hundred thirty-eight ultrasound analyses of acute knee trauma were collected and scored for diagnosed injuries. The reports of patients with an ACL tear (N = 87) were evaluated to determine possible increased prevalence of Segond avulsion fracture with ultrasound...
April 3, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28366841/digital-image-correlation-aided-mechanical-characterization-of-the-anteromedial-and-posterolateral-bundles-of-the-anterior-cruciate-ligament
#20
Kaitlyn Mallett, Ellen M Arruda
The anterior cruciate ligament (ACL) is one of the most commonly injured soft tissue structures in the articular knee joint, often requiring invasive surgery for patients to restore pre-injury knee kinematics. There is a pressing need to understand the role of the ACL in knee function, in order to select proper replacements. Digital image correlation (DIC), a non-contact full field displacement measurement technique, is an established tool for evaluating non-biological materials. The application of DIC to soft tissues has been in the nascent stages, largely due to patterning challenges of such materials...
March 30, 2017: Acta Biomaterialia
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