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Anterior cruciate ligament rupture

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https://www.readbyqxmd.com/read/28916912/morphological-changes-in-tibial-tunnels-after-anatomic-anterior-cruciate-ligament-reconstruction-with-hamstring-tendon-graft
#1
Tomoki Ohori, Tatsuo Mae, Konsei Shino, Yuta Tachibana, Kazuomi Sugamoto, Hideki Yoshikawa, Ken Nakata
BACKGROUND: Three-dimensional (3D) reconstructed computed tomography (CT) is crucial for the reliable and accurate evaluation of tunnel enlargement after anterior cruciate ligament (ACL) reconstruction. The purposes of this study were to evaluate the tibial tunnel enlargement at the tunnel aperture and inside the tunnel and to clarify the morphological change at the tunnel footprint 1 year after the anatomic triple-bundle (ATB) ACL reconstruction using 3D CT models. METHODS: Eighteen patients with unilateral ACL rupture were evaluated...
September 15, 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28900563/cadaveric-evaluation-of-the-lateral-anterior-drawer-test-for-examining-posterior-cruciate-ligament-integrity
#2
Gesine H Seeber, Marc P Wilhelm, Gunther Windisch, Hans-Joachim Appell Coriolano, Omer C Matthijs, Philip S Sizer
BACKGROUND: Common clinical tests often fail to identify posterior cruciate ligament (PCL) ruptures, leading to undetected tears and potential degenerative changes in the knee. The lateral-anterior drawer (LAD) test has been proposed but not yet evaluated regarding its effectiveness for diagnosing PCL-ruptures. HYPOTHESIS: The LAD will show greater tibial translation values in lateral-anterior direction in a PCL-Cut condition compared to a PCL-Intact condition, thus serving as a useful test for clinical diagnosis of PCL integrity...
August 2017: International Journal of Sports Physical Therapy
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
#3
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/28886823/update-on-anterior-cruciate-ligament-rupture-and-care-in-the-female-athlete
#4
REVIEW
Jeremy M Burnham, Vonda Wright
As female athlete sports participation has continued to increase, the rate of anterior cruciate ligament (ACL) rupture in female athletes has also increased. Individualized, patient-specific treatment is crucial to achieving optimal outcomes; ACL reconstruction must accurately restore native ACL anatomy and address any concomitant injury to secondary stabilizers. Rehabilitation programs should target hip, core, and trunk neuromuscular control; allow adequate time for graft ligamentization; and address the psychosocial needs of the athlete...
October 2017: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/28875131/femoral-positioning-influences-ipsi-and-contralateral-anterior-cruciate-ligament-rupture-following-its-reconstruction-systematic-review-and-meta-analysis
#5
Gustavo Constantino de Campos, Paulo Eduardo Portes Teixeira, Alex Castro, Wilson de Mello Alves Junior
AIM: To systematically review the incidence of ipsilateral graft re-rupture and contralateral anterior cruciate ligament (ACL) rupture following its reconstruction, with special attention to the femoral drilling technique. METHODS: Systematic review and meta-analysis of high-level prospective studies searched in MEDLINE database following PRISMA statement. The rate of ipsilateral graft re-rupture and contralateral rupture in patients submitted to either transtibial (TT) technique (isometric) or anteromedial (AM) technique (anatomic) was compared...
August 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/28856482/hyperextension-injuries-of-the-knee-do-patterns-of-bone-bruising-predict-soft-tissue-injury
#6
A M Ali, J K Pillai, V Gulati, C E R Gibbons, B J Roberton
OBJECTIVE: To establish whether patterns of soft tissue injury following knee hyperextension are associated with post-traumatic 'bone bruise' distribution. MATERIALS AND METHODS: Patients with a knee MRI within one year of hyperextension injury were identified at our institution over a 7 year period. MRIs, plain radiographs and clinical details of these patients were reviewed. RESULTS: Twenty-five patients were identified (median time from injury to MRI = 24 days)...
August 31, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28856348/knotless-arthroscopic-reduction-and-internal-fixation-of-a-displaced-anterior-cruciate-ligament-tibial-eminence-avulsion-fracture
#7
Jordan A Bley, Ryan J Pomajzl, Patrick A Smith
Generally occurring in the 8- to 14-year-old population, tibial eminence avulsion fractures are a common variant of anterior cruciate ligament ruptures and represent 2% to 5% of all knee injuries in skeletally immature individuals. In this article, we report on a new arthroscopic reduction and internal fixation technique that involves 2 absorbable anchors with adjustable suture-tensioning technology. This technique optimizes reduction and helps surgeons avoid proximal tibial physeal damage, procedure-related morbidity, and additional surgery...
July 2017: American Journal of Orthopedics
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
#8
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/28852338/evaluating-different-clinical-diagnosis-of-anterior-cruciate-ligament-ruptures-in-providers-with-different-training-backgrounds
#9
Alexander Cm Chong, Chelsea Whitetree, Michael C Priddy, Parker R Zimmerman, Paul R Haeder, Daniel J Prohaska
INTRODUCTION: Previous studies have shown that provider training and the tests performed play a role in the accuracy of diagnosis of anterior cruciate ligament (ACL) injuries. The specific aim of the current study is to determine the examiner proficiency and accuracy in performing the different proactive tests of ACL rupture before and after the induction of anesthesia prior to a definitive surgical procedure. MATERIALS AND METHODS: A case series was performed from January of 2015 through July of 2015...
2017: Iowa Orthopaedic Journal
https://www.readbyqxmd.com/read/28845301/limited-evidence-that-the-presence-of-a-bone-bruise-alone-affects-the-clinical-outcome-of-surgically-reconstructed-anterior-cruciate-ligaments-a-systematic-review
#10
Brian E Walczak, Cody Lukes, Ned Amendola, Warren R Dunn
IMPORTANCE: Anterior cruciate ligament (ACL) injury can be a devastating injury that without surgery may lead to chronic instability. Although surgical reconstruction recreates the stabilising constraint of the native ACL, postoperative pain and subsequent arthrosis may follow. OBJECTIVES: The primary objective of this systematic review is to determine whether the presence of a bone bruise following ACL rupture adversely affects the clinical outcomes following surgical reconstruction...
July 2017: Journal of ISAKOS
https://www.readbyqxmd.com/read/28840276/two-dimensional-motion-analysis-of-dynamic-knee-valgus-identifies-female-high-school-athletes-at-risk-of-non-contact-anterior-cruciate-ligament-injury
#11
Hitoaki Numata, Junsuke Nakase, Katsuhiko Kitaoka, Yosuke Shima, Takeshi Oshima, Yasushi Takata, Kengo Shimozaki, Hiroyuki Tsuchiya
PURPOSE: Female athletes are at greater risk of non-contact ACL injury. Three-dimensional kinematic analyses have shown that at-risk female athletes have a greater knee valgus angle during drop jumping. The purpose of this study was to evaluate the relationship between knee valgus angle and non-contact ACL injury in young female athletes using coronal-plane two-dimensional (2D) kinematic analyses of single-leg landing. METHODS: Two hundred ninety-one female high school athletes newly enrolled in basketball and handball clubs were assessed...
August 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28835342/loss-of-acl-function-leads-to-alterations-in-tibial-plateau-common-dynamic-contact-stress-profiles
#12
Tony Chen, Hongsheng Wang, Russell Warren, Suzanne Maher
It has been suggested that the repetitive nature of altered joint tissue loading which occurs after anterior cruciate ligament (ACL) rupture can contribute to the development of osteoarthritis (OA). However, changes in dynamic knee joint contact stresses after ACL rupture have not been quantified for activities of daily living. Our objective was to characterize changes in dynamic contact stress profiles that occur across the tibial plateau immediately after ACL transection. By subjecting sensor-augmented cadaveric knees to simulated gait, and analyzing the resulting contact stress profiles using a normalized cross-correlation algorithm, we tested the hypothesis that common changes in dynamic contact stress profiles exist after ACL injury...
August 16, 2017: Journal of Biomechanics
https://www.readbyqxmd.com/read/28831524/-meniscal-root-lesions-clinical-relevance-and-treatment
#13
REVIEW
S Kopf, C Stärke, R Becker
Meniscal roots play an important role in load distribution of the tibiofemoral knee joint. Thus, meniscal root tears are severe injuries of the knee, which significantly expose cartilage to increased stress. Two entities are distinguished: (i) acute root tears that mainly affect the posterolateral root and often occur with ruptures of the anterior cruciate ligament; and (ii) chronic, degenerative root tears that mainly affect the posteromedial root. For diagnosis of both entities, the patient's medical history, a knee examination and especially MRI play key roles...
August 22, 2017: Der Orthopäde
https://www.readbyqxmd.com/read/28809627/-the-use-of-btb-allograft-in-revision-reconstruction-of-the-anterior-cruciate-ligament-and-its-success-rate-in-terms-of-subjective-patient-satisfaction
#14
J Sklenský, P Vališ, M Repko, M Rouchal, M Maršálek, D Hrůzová
PURPOSE OF THE STUDY A retrospective evaluation of the success rate of revision ACL reconstruction performed using BTB allograft in terms of the life expectancy of the procedure up to and over five years from surgery. MATERIAL AND METHODS Over a ten-year period, from 2003 to 2013, we performed 47 revision ACL reconstruction surgeries. The majority of the primary ACL reconstructions using BTB autografts were not performed at our site. The group observed included 16 women (34%) and 31 men (66%). The women were aged between 25 and 48 years, the median age being 32...
2017: Acta Chirurgiae Orthopaedicae et Traumatologiae Cechoslovaca
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
#15
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/28753392/cortical-button-versus-cross-pin-femoral-fixation-for-hamstring-anterior-cruciate-ligament-reconstruction-a-meta-analysis-of-randomized-controlled-trials
#16
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/28743379/a-novel-hydroxyapatite-based-screw-like-device-for-anterior-cruciate-ligament-acl-reconstructions
#17
Thomas C Schumacher, Kamen Tushtev, Ulrich Wagner, Caroline Becker, Marzellus Große Holthaus, Sebastian B Hein, Janne Haack, Christian Heiss, Markus Engelhardt, Thaqif El Khassawna, Kurosch Rezwan
BACKGROUND: Rupture of the anterior cruciate ligament (ACL) is one of the most common injuries of the knee. Common techniques for ACL reconstruction require a graft fixation using interference screws. Nowadays, these interference screws are normally made of titanium or polymer/ceramic composites. The main challenge of application of a fixation device made entirely of bioactive ceramic is in relation to the low strength of such materials. The purpose of this study was to evaluate a novel geometry for a fixation device made of pure hydroxyapatite for ACL reconstructions that can overcome some problems of the titanium and the polymer/ceramic screws...
July 22, 2017: Knee
https://www.readbyqxmd.com/read/28741153/recovery-of-acl-function-after-dynamic-intraligamentary-stabilization-is-resultant-to-restoration-of-acl-integrity-and-scar-tissue-formation
#18
Atesch Ateschrang, Sufian S Ahmad, Ulrich Stöckle, Steffen Schroeter, Willem Schenk, Marc Daniel Ahrend
PURPOSE: Dynamic intraligamentary stabilization (DIS) is recognized as a ligament preserving technique for the treatment of acute anterior cruciate ligament (ACL) injuries. The aim of this study was to assess the integrity and morphology of the recovered ACL after DIS repair. METHODS: The cohort comprised 47 patients with an acute proximal ACL rupture undergoing DIS repair. All patients underwent diagnostic arthroscopy after a minimum postoperative interval of 6 months for semi-quantitative evaluation of ACL integrity, function and scar tissue formation...
July 24, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28717621/effects-of-the-menstrual-cycle-on-lower-limb-biomechanics-neuromuscular-control-and-anterior-cruciate-ligament-injury-risk-a-systematic-review
#19
REVIEW
Vivek Balachandar, Jan-Luigi Marciniak, Owen Wall, Chandrika Balachandar
OBJECTIVE: Anterior cruciate ligament (ACL) injury has a devastating impact on physical and psychological disability. Rates of ACL rupture are significantly greater in females than males during the same sports. Hormonal mechanisms have been proposed but are complex and poorly understood. This systematic review evaluates the effects of menstrual cycle on: 1) lower-limb biomechanics, 2) neuromuscular control, and 3) ACL injury risk. METHODS: The MEDLINE, CINAHL, SPORTSDiscus, Web of Science, and Google Scholar databases were searched from inception to August 2016 for studies investigating the effects of the menstrual cycle on lower-limb biomechanics, neuromuscular control, and ACL injury risk in females...
January 2017: Muscles, Ligaments and Tendons Journal
https://www.readbyqxmd.com/read/28716691/acute-injuries-in-finnish-junior-floorball-league-players
#20
Kati Pasanen, Jussi Hietamo, Tommi Vasankari, Pekka Kannus, Ari Heinonen, Urho M Kujala, Ville M Mattila, Jari Parkkari
OBJECTIVES: To investigate the incidence and characteristics of acute time-loss injuries in Finnish junior floorball league players. DESIGN: Prospective cohort study with 3-year follow-up. METHODS: One hundred and eighty-six female and male players (mean age 16.6±1.4) took part in the follow-up study (2011-2014). The training hours and games were recorded on a team diary. Floorball related acute injuries were registered and verified by a research physician...
July 4, 2017: Journal of Science and Medicine in Sport
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