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assessment anterior cross ligament

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https://www.readbyqxmd.com/read/28894756/relationships-between-tibiofemoral-contact-forces-and-cartilage-morphology-at-2-to-3-years-after-single-bundle-hamstring-anterior-cruciate-ligament-reconstruction-and-in-healthy-knees
#1
David John Saxby, Adam L Bryant, Xinyang Wang, Luca Modenese, Pauline Gerus, Jason M Konrath, Kim L Bennell, Karine Fortin, Tim Wrigley, Flavia M Cicuttini, Christopher J Vertullo, Julian A Feller, Tim Whitehead, Price Gallie, David G Lloyd
BACKGROUND: Prevention of knee osteoarthritis (OA) following anterior cruciate ligament (ACL) rupture and reconstruction is vital. Risk of postreconstruction knee OA is markedly increased by concurrent meniscal injury. It is unclear whether reconstruction results in normal relationships between tibiofemoral contact forces and cartilage morphology and whether meniscal injury modulates these relationships. HYPOTHESES: Since patients with isolated reconstructions (ie, without meniscal injury) are at lower risk for knee OA, we predicted that relationships between tibiofemoral contact forces and cartilage morphology would be similar to those of normal, healthy knees 2 to 3 years postreconstruction...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28875154/structural-and-anatomic-restoration-of-the-anterior-cruciate-ligament-is-associated-with-less-cartilage-damage-1-year-after-surgery-healing-ligament-properties-affect-cartilage-damage
#2
Ata M Kiapour, Braden C Fleming, Martha M Murray
BACKGROUND: Abnormal joint motion has been linked to joint arthrosis after anterior cruciate ligament (ACL) reconstruction. However, the relationships between the graft properties (ie, structural and anatomic) and extent of posttraumatic osteoarthritis are not well defined. HYPOTHESES: (1) The structural (tensile) and anatomic (area and alignment) properties of the reconstructed graft or repaired ACL correlate with the total cartilage lesion area 1 year after ACL surgery, and (2) side-to-side differences in anterior-posterior (AP) knee laxity correlate with the total cartilage lesion area 1 year postoperatively...
August 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28854766/one-year-serial-follow-up-magnetic-resonance-imaging-study-of-rigidfix-for-femoral-fixation-in-anterior-cruciate-ligament-reconstruction
#3
Jung Ho Noh, Jae Woo Lee
Purpose: To assess graft slippage at the site of femoral fixation by follow-up magnetic resonance imaging (MRI) after anterior cruciate ligament (ACL) reconstruction with a four-strand autogenous hamstring tendon using RigidFix (DePuy Mitek). Materials and Methods: Twenty-one subjects diagnosed with ACL rupture underwent ACL reconstruction using hamstring autograft with the transtibial technique. RigidFix was used for femoral fixation and Intrafix and washer screw were used for tibial fixation...
September 1, 2017: Knee Surgery & related Research
https://www.readbyqxmd.com/read/28822632/the-heel-height-test-a-novel-tool-for-the-detection-of-combined-anterior-cruciate-ligament-and-fibular-collateral-ligament-tears
#4
Mark E Cinque, Andrew G Geeslin, Jorge Chahla, Gilbert Moatshe, Jonas Pogorzelski, Nicholas N DePhillipo, Robert F LaPrade
PURPOSE: To determine the exact value of side-to-side difference (SSD) in heel height that was associated with combined anterior cruciate ligament (ACL) and fibular collateral ligament (FCL) tears (compared with an isolated ACL tear) and determine the clinical utility of heel height SSD in the assessment of this injury pattern. METHODS: Two patient groups were identified: (1) patients with isolated ACL tears and (2) patients with combined ACL-FCL tears but without additional collateral or cruciate ligament injuries...
August 16, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28817645/translation-cultural-adaptation-and-validation-of-simplified-chinese-version-of-the-anterior-cruciate-ligament-return-to-sport-after-injury-acl-rsi-scale
#5
Tianwu Chen, Peng Zhang, Yunxia Li, Kate Webster, Jian Zhang, Wei Yao, Yue Yin, Chingchong Ai, Shiyi Chen
PURPOSE: To translate and cross-culturally adapt the anterior cruciate ligament-return to sport after injury (ACL-RSI) into simplified Chinese [ACL-RSI (Cn)]. METHOD: In this diagnostic study, the translation, cross-culturally adaptation, and validation of the ACL-RSI was performed according to international guidelines. A total of 112 patients with ACL reconstruction participated in this study. All were capable of competitive sports before the injury and completed the Knee Injury and Osteoarthritis Outcome (KOOS), the International Knee Documentation Committee (IKDC), the Tampa Scale of Kinesiophobia (TSK), and the Tegner activity score...
2017: PloS One
https://www.readbyqxmd.com/read/28753392/cortical-button-versus-cross-pin-femoral-fixation-for-hamstring-anterior-cruciate-ligament-reconstruction-a-meta-analysis-of-randomized-controlled-trials
#6
Hai Jiang, Guangzhi Ma, Qi Li, Yanqing Hu, Jian Li, Xin Tang
BACKGROUND: Incidences of graft rupture are associated with postoperative knee laxity after anterior cruciate ligament (ACL) reconstruction. Reports of postoperative knee laxity after ACL reconstruction using different femoral fixation techniques in several studies are controversial. PURPOSE: To compare, via meta-analysis of randomized controlled trials (RCTs), the clinical outcomes and postoperative knee laxity of autogenous hamstring ACL reconstruction using cortical button versus cross-pin femoral fixation...
July 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28751512/flat-panel-angiography-in-the-cross-sectional-imaging-of-the-temporal-bone-assessment-of-image-quality-and-radiation-dose-compared-with-a-64-section-multisection-ct-scanner
#7
G Conte, E Scola, S Calloni, R Brambilla, M Campoleoni, L Lombardi, F Di Berardino, D Zanetti, L M Gaini, F Triulzi, C Sina
BACKGROUND AND PURPOSE: Cross-sectional imaging of the temporal bone is challenging because of the complexity and small dimensions of the anatomic structures. We evaluated the role of flat panel angiography in the cross-sectional imaging of the temporal bone by comparing its image quality and radiation dose with a 64-section multisection CT scanner. MATERIALS AND METHODS: We retrospectively collected 29 multisection CT and 29 flat panel angiography images of normal whole-head temporal bones...
July 27, 2017: AJNR. American Journal of Neuroradiology
https://www.readbyqxmd.com/read/28749036/advantages-of-rna-seq-compared-to-rna-microarrays-for-transcriptome-profiling-of-anterior-cruciate-ligament-tears
#8
Muhammad Farooq Rai, Eric D Tycksen, Linda J Sandell, Robert H Brophy
Microarrays and RNA-seq are at the forefront of high throughput transcriptome analyses. Since these methodologies are based on different principles, there are concerns about the concordance of data between the two techniques. The concordance of RNA-seq and microarrays for genome-wide analysis of differential gene expression has not been rigorously assessed in clinically derived ligament tissues. To demonstrate the concordance between RNA-seq and microarrays and to assess potential benefits of RNA-seq over microarrays, we assessed differences in transcript expression in anterior cruciate ligament (ACL) tissues based on time-from-injury...
July 27, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28748492/calcium-phosphate-hybridized-tendon-grafts-reduce-femoral-bone-tunnel-enlargement-in-anatomic-single-bundle-acl-reconstruction
#9
Hirotaka Mutsuzaki, Tomonori Kinugasa, Kotaro Ikeda, Masataka Sakane
PURPOSE: This study aimed to clarify the effect of calcium phosphate (CaP)-hybridized tendon grafting versus unhybridized tendon grafting on the morphological changes to the bone tunnels at the aperture 1 year after anatomic single-bundle anterior cruciate ligament (ACL) reconstruction. METHODS: Seventy-three patients were randomized to undergo the CaP (n = 37) or the conventional method (n = 36). All patients underwent computed tomography (CT) evaluation 1 week and 1 year post-operatively...
July 26, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28710543/acute-non-contact-anterior-cruciate-ligament-tears-are-associated-with-relatively-increased-vastus-medialis-to-semimembranosus-cross-sectional-area-ratio-a-case-control-retrospective-mr-study
#10
Ged G Wieschhoff, Jacob C Mandell, Gregory J Czuczman, Violeta Nikac, Nehal Shah, Stacy E Smith
OBJECTIVE: Hamstring muscle deficiency is increasingly recognized as a risk factor for anterior cruciate ligament (ACL) tears. The purpose of this study is to evaluate the vastus medialis to semimembranosus cross-sectional area (VM:SM CSA) ratio on magnetic resonance imaging (MRI) in patients with ACL tears compared to controls. MATERIALS AND METHODS: One hundred knee MRIs of acute ACL tear patients and 100 age-, sex-, and side-matched controls were included. Mechanism of injury, contact versus non-contact, was determined for each ACL tear subject...
July 15, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28688825/three-dimensional-bio-printed-scaffold-sleeves-with-mesenchymal-stem-cells-for-enhancement-of-tendon-to-bone-healing-in-anterior-cruciate-ligament-reconstruction-using-soft-tissue-tendon-graft
#11
Sin Hyung Park, Yeong-Jin Choi, Sang Won Moon, Byung Hoon Lee, Jin-Hyung Shim, Dong-Woo Cho, Joon Ho Wang
PURPOSE: To investigate the efficacy of the insertion of 3-dimensional (3D) bio-printed scaffold sleeves seeded with mesenchymal stem cells (MSCs) to enhance osteointegration between the tendon and tunnel bone in anterior cruciate ligament (ACL) reconstruction in a rabbit model. METHODS: Scaffold sleeves were fabricated by 3D bio-printing. Before ACL reconstruction, MSCs were seeded into the scaffold sleeves. ACL reconstruction with hamstring tendon was performed on both legs of 15 adult rabbits (aged 12 weeks)...
July 5, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28676083/measuring-individual-hierarchy-of-anxiety-invoking-sports-related-activities-development-and-validation-of-the-photographic-series-of-sports-activities-for-anterior-cruciate-ligament-reconstruction-phosa-aclr
#12
Wim van Lankveld, Nicky van Melick, Bas Habets, Eefje Roelofsen, J Bart Staal, Robert van Cingel
BACKGROUND: Fear of harm (FoH) after Anterior Cruciate Ligament Reconstruction (ACLR) should be addressed in physical therapy as it hampers return to sports. However, there are no instruments assessing FoH specific for ACLR. The objective of this study is to describe the development and measurement properties of the Photograph Series of Sports Activities for ACLR (PHOSA-ACLR) measuring ACL injury related FoH. METHODS: Based on literature and opinion of physical therapists with extensive experience in ACLR treatment, photographs depicting FoH inducing situations in ACL injury were considered for inclusion in the instrument...
July 4, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28653872/posttraumatic-bone-marrow-lesion-volume-and-knee-pain-within-4-weeks-after-anterior-cruciate-ligament-injury
#13
Jeffrey B Driban, Stefan Lohmander, Richard B Frobell
CONTEXT:   After an anterior cruciate ligament (ACL) injury, a majority of patients have a traumatic bone marrow lesion (BML, or bone bruise). The clinical relevance of posttraumatic lesions remains unclear. OBJECTIVE:   To explore the cross-sectional associations between traumatic BML volume and self-reported knee pain and symptoms among individuals within 4 weeks of ACL injury. DESIGN:   Cross-sectional exploratory analysis of a randomized clinical trial...
June 2, 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28632046/targeting-associated-mechanisms-of-anterior-cruciate-ligament-injury-in-female-community-level-athletes
#14
Jonathan M D Staynor, Joanna C Nicholas, Gillian Weir, Jacqueline A Alderson, Cyril J Donnelly
This study aims to determine if biomechanically informed injury prevention training can reduce associated factors of anterior cruciate ligament injury risk among a general female athletic population. Female community-level team sport athletes, split into intervention (n = 8) and comparison groups (n = 10), completed a sidestepping movement assessment prior to and following a 9-week training period, in which kinetic, kinematic and neuromuscular data were collected. The intervention group completed a biomechanically informed training protocol, consisting of plyometric, resistance and balance exercises, adjunct to normal training, for 15-20 min twice a week...
February 24, 2017: Sports Biomechanics
https://www.readbyqxmd.com/read/28459885/a-statistically-compiled-test-battery-for-feasible-evaluation-of-knee-function-after-rupture-of-the-anterior-cruciate-ligament-derived-from-long-term-follow-up-data
#15
Lina Schelin, Eva Tengman, Patrik Ryden, Charlotte Häger
PURPOSE: Clinical test batteries for evaluation of knee function after injury to the Anterior Cruciate Ligament (ACL) should be valid and feasible, while reliably capturing the outcome of rehabilitation. There is currently a lack of consensus as to which of the many available assessment tools for knee function that should be included. The present aim was to use a statistical approach to investigate the contribution of frequently used tests to avoid redundancy, and filter them down to a proposed comprehensive and yet feasible test battery for long-term evaluation after ACL injury...
2017: PloS One
https://www.readbyqxmd.com/read/28446454/epidemiology-of-injuries-in-judo-a-cross-sectional-survey-of-severe-injuries-based-on-time-loss-and-reduction-in-sporting-level
#16
Ralph Akoto, Christophe Lambert, Maurice Balke, Bertil Bouillon, Karl-Heinz Frosch, Jürgen Höher
BACKGROUND: Sport injury severity can be detected by duration of time loss and reduction of sporting performance. AIM: To detect injury type-specific time loss duration and sporting performance reduction in judo. METHODS: An online survey of active and former judo athletes was conducted (exclusion criterion: incomplete questionnaire). Only injuries causing more than 3 weeks' time loss were recorded. Athletes classified themselves into performance classes...
April 26, 2017: British Journal of Sports Medicine
https://www.readbyqxmd.com/read/28419817/objectively-measured-physical-activity-in-patients-after-anterior-cruciate-ligament-reconstruction
#17
David R Bell, Karin A Pfeiffer, Lisa A Cadmus-Bertram, Stephanie M Trigsted, Adam Kelly, Eric G Post, Joseph M Hart, Dane B Cook, Warren R Dunn, Christopher Kuenze
BACKGROUND: Returning to a healthy level of physical activity is among the most commonly discussed clinical goals for patients recovering from anterior cruciate ligament reconstruction (ACLR). However, physical activity has not been objectively measured in this population. PURPOSE: To investigate differences in the mean time (min/d) spent in moderate-to-vigorous physical activity (MVPA) as well as the daily step count (steps/d) between patients who underwent ACLR and matched controls...
July 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28388231/quadriceps-function-and-hamstrings-co-activation-after-anterior-cruciate-ligament-reconstruction
#18
Derek N Pamukoff, Brian G Pietrosimone, Eric D Ryan, Dustin R Lee, J Troy Blackburn
CONTEXT:   Individuals with anterior cruciate ligament reconstruction (ACLR) have quadriceps dysfunction that contributes to physical disability and posttraumatic knee osteoarthritis. Quadriceps function in the ACLR limb is commonly evaluated relative to the contralateral uninjured limb. Bilateral quadriceps dysfunction is common in individuals with ACLR, potentially biasing these evaluations. OBJECTIVE:   To compare quadriceps function between individuals with ACLR and uninjured control participants...
May 2017: Journal of Athletic Training
https://www.readbyqxmd.com/read/28343809/in%C3%A2-vivo-analysis-of-dynamic-graft-bending-angle-in-anterior-cruciate-ligament-reconstructed-knees-during-downward-running-and-level-walking-comparison-of-flexible-and-rigid-drills-for-transportal-technique
#19
Yasutaka Tashiro, Vani Sundaram, Eric Thorhauer, Tom Gale, William Anderst, James J Irrgang, Freddie H Fu, Scott Tashman
PURPOSE: To determine the in vivo dynamic graft bending angle (GBA) in anterior cruciate ligament (ACL)-reconstructed knees, correlate the angle to tunnel positions and tunnel widening, and evaluate the effects of 2 femoral tunnel drilling techniques on GBA. METHODS: Patients with an isolated ACL injury undergoing reconstruction from 2011 to 2012 were included. Transportal techniques were used to create femoral tunnels. Tunnel locations were determined by 3-dimensional computed tomography...
July 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28336149/the-acl-injury-response-a-collagen-based-analysis
#20
Joshua S Everhart, John H Sojka, Christopher C Kaeding, Alicia L Bertone, David C Flanigan
BACKGROUND: Anterior cruciate ligament (ACL) injuries do not effectively heal. Tendon graft tissue after reconstruction shows rapid tissue turnover and 'ligamentization.' It is unknown whether native torn ACL tissue undergoes significant collagen turnover after injury or is arrested by the intraarticular environment. It is also unknown whether injury mechanism or chronicity affect torn ligament tissue turnover. METHODS: Thirty-three mid-substance ACL biopsies were obtained during primary arthroscopic ACL reconstruction (n=31; nine contact injuries, 22 non-contact injuries, 22 males, 11 females; mean age 28...
March 20, 2017: Knee
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