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Anterolateral ligament knee

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https://www.readbyqxmd.com/read/28800853/the-anterolateral-ligament-anatomic-implications-for-its-reconstruction
#1
Neri Thomas, Palpacuer Fabien, Testa Rodolphe, Bergandi Florian, Boyer Bertrand, Farizon Frederic, Philippot Remi
BACKGROUND: The purpose of this study was to define the best anatomic parameters with which to perform an accurate anterolateral ligament (ALL) reconstruction. These parameters were anatomical insertions, allowing favorable isometry, length variation during flexion, and anthropometric predictors of ALL lengths. METHODS: A total of 84 fresh-frozen cadaver knees were dissected to analyze the ALL, focusing on its femoral insertion. The ALL length was measured in different degrees of flexion (extension, 30°, 60°, and 90° of flexion) and rotation (neutral, internal or external rotation)...
August 8, 2017: Knee
https://www.readbyqxmd.com/read/28782837/in-situ-force-in-the-anterior-cruciate-ligament-the-lateral-collateral-ligament-and-the-anterolateral-capsule-complex-during-a-simulated-pivot-shift-test
#2
Kevin M Bell, Ata A Rahnemai-Azar, Sebastian Irarrazaval, Daniel Guenther, Freddie H Fu, Volker Musahl, Richard E Debski
The role of the anterolateral capsule complex in knee rotatory stability remains controversial. Therefore, the objective of this study was to determine the in-situ forces in the anterior cruciate ligament (ACL), the anterolateral capsule, the lateral collateral ligament (LCL), and the forces transmitted between each region of the anterolateral capsule in response to a simulated pivot shift test. A robotic testing system applied a simulated pivot shift test continuously from full extension to 90(o) of flexion to intact cadaveric knees (n = 7)...
August 7, 2017: Journal of Orthopaedic Research: Official Publication of the Orthopaedic Research Society
https://www.readbyqxmd.com/read/28779802/editorial-commentary-is-anterolateral-ligament-reconstruction-of-the-knee-needed-the-debate-rages-on
#3
EDITORIAL
Bruce A Levy, Orlando D Sabbag
A recent systematic review on the techniques, biomechanics, and clinical outcomes of anterolateral ligament reconstruction of the knee summarizes our current understanding of this hotly debated topic. In 2017, it is not clear if an anterolateral ligament reconstruction is needed in the setting of primary anterior cruciate ligament reconstruction.
August 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28770530/erratum-to-rotational-laxity-control-by-the-anterolateral-ligament-and-the-lateral-meniscus-is-dependent-on-knee-flexion-angle-a-cadaveric-biomechanical-study
#4
Timothy Lording, Gillian Corbo, Dianne Bryant, Timothy A Burkhart, Alan Getgood
No abstract text is available yet for this article.
August 2, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28763623/the-effects-of-anterolateral-tenodesis-on-tibiofemoral-contact-pressures-and-kinematics
#5
Eivind Inderhaug, Joanna M Stephen, Hadi El-Daou, Andy Williams, Andrew A Amis
BACKGROUND: Anterolateral tenodeses are increasingly popular in combination with intra-articular anterior cruciate ligament reconstructions. Despite the perception of risk of overconstraint and lateral osteoarthritis, evidence is lacking regarding the effect of graft tensioning on knee kinematics and intra-articular compartmental joint pressures. PURPOSE: To investigate tibiofemoral joint contact pressures and kinematics related to an anterolateral lesion and the effectiveness of a MacIntosh tenodesis in restoring these when varying (1) graft tension and (2) tibial rotation during graft fixation...
August 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28707122/segond-s-fracture-a-biomechanical-cadaveric-study-using-navigation
#6
E Monaco, Daniele Mazza, A Redler, D Lupariello, R Lanzetti, M Guzzini, A Ferretti
BACKGROUND: Segond's fracture is a well-recognised radiological sign of an anterior cruciate ligament (ACL) tear. While previous studies evaluated the role of the anterolateral ligament (ALL) and complex injuries on rotational stability of the knee, there are no studies on the biomechanical effect of Segond's fracture in an ACL deficient knee. The aim of this study was to evaluate the effect of a Segond's fracture on knee rotation stability as evaluated by a navigation system in an ACL deficient knee...
July 13, 2017: Journal of Orthopaedics and Traumatology: Official Journal of the Italian Society of Orthopaedics and Traumatology
https://www.readbyqxmd.com/read/28706813/all-inside-bicruciate-ligament-reconstruction-technique-a-focus-on-graft-tensioning-sequence
#7
Mathieu Thaunat, Gilles Clowez, Colin G Murphy, Antoine Desseaux, Tales Guimaraes, Jean Marie Fayard, Bertrand Sonnery-Cottet
Bicruciate ligament (BCL) reconstructions are challenging procedures. One of the main operative goals is to stabilize the knee in the correct anterior-posterior position. We present an all-inside arthroscopic BCL reconstruction technique using hamstring tendon grafts. Ipsilateral semitendinosus (ST) and gracilis tendons are used for TriLink (Arthrex, Naples, FL) double-bundle posterior cruciate ligament (PCL) reconstruction and contralateral ST tendon is used for GraftLink (Arthrex) single-bundle anterior cruciate ligament (ACL) reconstruction...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28706801/combined-anatomic-reconstruction-of-the-anterior-cruciate-and-anterolateral-ligaments-using-hamstring-graft-through-a-single-femoral-tunnel-and-with-a-single-femoral-fixation
#8
Assem Mohamed Noureldin Zein, Mohamed Ali, Hesham Ali, Ahmed Nady Saleh Elsaid, Alaa Zenhom Mahmoud, Mohamed K Osman, Amr Mohamed Mohamed Soliman
Patients with complete anterior cruciate ligament (ACL) injury have different degrees of rotational (internal rotation) laxity. A residual pivot shift has been found to be positive in more than 15% of cases after an accurate ACL reconstruction. Improved understanding of the existence, function, and biomechanical role of the anterolateral ligament (ALL) in controlling rotational instability of the knee has redirected and refocused attention on a supplemental extra-articular reconstruction of the ALL in conjunction with the intra-articular ACL reconstruction so as to restore normal kinematics of the knee...
June 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28702800/anterolateral-ligament-injuries-in-knees-with-an-anterior-cruciate-ligament-tear-contribution-of-ultrasonography-and-mri
#9
Marie Faruch Bilfeld, Etienne Cavaignac, Karine Wytrykowski, Olivia Constans, Franck Lapègue, Hélène Chiavassa Gandois, Ahmed Larbi, Nicolas Sans
OBJECTIVES: To describe the pathological appearance of the anterolateral ligament (ALL) on US and MRI in knees with an anterior cruciate ligament (ACL) tear. METHODS: This prospective study included 30 patients who had a suspected acute ACL tear. Their injured and contralateral knees were evaluated with radiography, US and MRI. Two radiologists evaluated the ALL on the MRI and US examinations. Agreement between these examiners' findings was evaluated with Cohen's kappa...
July 12, 2017: European Radiology
https://www.readbyqxmd.com/read/28697792/rupture-of-posterior-cruciate-ligament-leads-to-radial-displacement-of-the-medial-meniscus
#10
Can Zhang, Zhenhan Deng, Wei Luo, Wenfeng Xiao, Yihe Hu, Zhan Liao, Kanghua Li, Hongbo He
BACKGROUND: To explore the association between the rupture of posterior cruciate ligament (PCL) and the radial displacement of medial meniscus under the conditions of different flexion and various axial loads. METHODS: The radial displacement value of medial meniscus was measured for the specimens of normal adult knee joints, including 12 intact PCLs, 6 ruptures of the anterolateral bundle (ALB), 6 ruptures of the postmedial bundle (PMB), and 12 complete ruptures...
July 11, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28678124/an-in-vivo-simulation-of-isometry-of-the-anterolateral-aspect-of-the-healthy-knee
#11
Willem A Kernkamp, Samuel K Van de Velde, Tsung-Yuan Tsai, Ewoud R A van Arkel, Peter D Asnis, Rob G H H Nelissen, Robert F LaPrade, Bertram Zarins, Guoan Li
BACKGROUND: To assess the isometry of theoretical lateral extra-articular reconstruction (LER), we evaluated theoretical grafts attached to various points on the lateral femoral condylar area and to either Gerdy's tubercle or the anatomic attachment site of the anterolateral ligament to the tibia. METHODS: In 18 subjects, healthy knees with no history of either injury or surgery involving the lower extremity were studied. The subjects performed a sit-to-stand motion (from approximately 90° of flexion to full extension), and each knee was studied using magnetic resonance and dual fluoroscopic imaging techniques...
July 5, 2017: Journal of Bone and Joint Surgery. American Volume
https://www.readbyqxmd.com/read/28669473/editorial-commentary-ultrasound-barely-beats-magnetic-resonance-imaging-in-knee-anterolateral-ligament-evaluation%C3%A2-but-does-this-change-the-treatment-of-the-anterior-cruciate-ligament-deficient-knee
#12
EDITORIAL
Michael J Rossi
Ultrasound (US) examination of the anterolateral ligament (ALL) in the anterior cruciate ligament-deficient knee betters magnetic resonance imaging analysis with slightly higher identification rate of the entire ALL presumably due to the ability to test in a functional pivot shift configuration. The ALL was injured in 63% of the anterior cruciate ligament-deficient knees and the injury occurred at the tibial insertion in all cases. Although the authors propose US to be the new "gold standard" for diagnosing ALL injuries, there still remains a question of whether there is any necessity for an US diagnosis of ALL injury when the pivot shift test may provide the necessary information, and the consensus for ALL reconstruction or lateral extra-articular tenodesis has yet to be reached...
July 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28642658/study-of-the-anterolateral-ligament-of-the-knee-in-formalin-embedded-cadavers
#13
Paloma Batista Almeida Fardin, Juliana Hott de Fúcio Lizardo, Josemberg da Silva Baptista
OBJECTIVE: To verify the incidence and characterize morphologically the anterolateral ligament of the knee (ALL) in cadaveric samples of the collection of the Laboratory of Anatomy of the Department of Morphology of the Universidade Federal do Espírito Santo. METHODS: Dissections and cross sections were performed for mesoscopic analysis of the anterolateral region of 15 knees preserved in 4% formalin solution in order to identify the ALL. RESULTS: After dissection of the skin and subcutaneous tissue of the knee anterolateral region, it was possible to identify the iliotibial tract (ITT), the patellar ligament and the femoral biceps tendon...
March 2017: Acta Ortopedica Brasileira
https://www.readbyqxmd.com/read/28610433/reoperation-rates-after-combined-anterior-cruciate-ligament-and-anterolateral-ligament-reconstruction-a-series-of-548-patients-from-the-santi-study-group-with-a-minimum-follow-up-of-2-years
#14
Mathieu Thaunat, Gilles Clowez, Adnan Saithna, Maxime Cavalier, Eric Choudja, Thais D Vieira, Jean-Marie Fayard, Bertrand Sonnery-Cottet
BACKGROUND: Early clinical results of anterolateral ligament (ALL) reconstruction are promising, but concerns exist due to high rates of complications after other types of lateral extra-articular tenodesis. The rate of surgery after combined anterior cruciate ligament (ACL) and ALL reconstruction is not known. PURPOSE: To determine the rate of reoperation after combined ACL and ALL reconstruction. STUDY DESIGN: Case series; Level of evidence, 4...
June 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28608009/clinical-outcomes-of-extra-articular-tenodesis-anterolateral-reconstruction-in-the-acl-injured-knee
#15
REVIEW
Bertrand Sonnery-Cottet, Nuno Camelo Barbosa, Thais Dutra Vieira, Adnan Saithna
PURPOSE: The role of concomitant extra-articular procedures in improving the outcome of ACL reconstruction has experienced a recent resurgence in interest. The aim of this article is to highlight the differences in philosophies and outcomes of historical lateral extra-articular tenodesis (LET) and contemporary, anterolateral reconstruction. METHODS: A narrative review was performed using PubMed/MEDLINE using the keywords "lateral extra-articular tenodesis" and "anterolateral ligament reconstruction"...
June 12, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28607939/the-role-of-the-peripheral-passive-rotation-stabilizers-of-the-knee-with-intact-collateral-and-cruciate-ligaments-a-biomechanical-study
#16
Alexander R Vap, Jason M Schon, Gilbert Moatshe, Raphael S Cruz, Alex W Brady, Grant J Dornan, Travis Lee Turnbull, Robert F LaPrade
BACKGROUND: A subset of patients have clinical internal and/or external knee rotational instability despite no apparent injury to the cruciate or collateral ligaments. PURPOSE/HYPOTHESIS: The purpose of this study was to assess the effect of sequentially cutting the posterolateral, anterolateral, posteromedial, and anteromedial structures of the knee on rotational stability in the setting of intact cruciate and collateral ligaments. It was hypothesized that cutting of the iliotibial band (ITB), anterolateral ligament and lateral capsule (ALL/LC), posterior oblique ligament (POL), and posteromedial capsule (PMC) would significantly increase internal rotation, while sectioning of the anteromedial capsule (AMC) and the popliteus tendon and popliteofibular ligament (PLT/PFL) would lead to a significant increase in external knee rotation...
May 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/28603610/does-additional-reconstruction-of-the-anterolateral-ligament-during-a-primary-anterior-cruciate-ligament-reconstruction-affect-tibial-rotational-laxity-a-case-series
#17
Rohi Shah, Runveer Singh, Clodagh Dugdale, Guido Geutjens
BACKGROUND: The current evidence suggests that rotational stability in not restored in patients with anterior cruciate ligament (ACL) ruptures, despite reconstructive surgery. The graded pivot-shift is a useful clinical test to delineate extent of ligamentous laxity within the knee. Given its lateralised position, we hypothesized that reconstruction of the anterolateral ligament (ALL) would provide restraint to excessive internal rotation, restoring rotational stability. METHODS: 10 patients with MRI confirmed diagnosis of an isolated ACL rupture were included...
July 2017: Annals of Medicine and Surgery
https://www.readbyqxmd.com/read/28584927/corr-insights-%C3%A2-rotational-laxity-control-by-the-anterolateral-ligament-and-the-lateral-meniscus-is-dependent-on-knee-flexion-angle-a-cadaveric-biomechanical-study
#18
Geert Pagenstert
No abstract text is available yet for this article.
June 5, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28580262/minimally-invasive-combined-anterior-and-anterolateral-stabilization-of-the-knee-using-hamstring-tendons-and-adjustable-loop-suspensory-fixation-device-surgical-technique
#19
Achilleas Boutsiadis, Paul Brossard, Jean-Claude Panisset, Nicolas Graveleau, Johannes Barth
Despite the numerous techniques described regarding isolated anterior cruciate ligament (ACL) reconstruction, many authors have reported that residual knee rotational instability is not always eliminated. The combination of lateral extra-articular knee tenodesis and ACL reconstruction is an alternative surgical approach with very promising clinical results. The purpose of this article is to describe a reliable and reproducible technique of combined ACL reconstruction and lateral extra-articular knee tenodesis using a continuous looped hamstring tendon autograft...
April 2017: Arthroscopy Techniques
https://www.readbyqxmd.com/read/28560142/minimally-invasive-anterolateral-ligament-reconstruction-of-the-knee
#20
Patrick A Smith, Jordan A Bley
Anterior cruciate ligament (ACL) tears are among the most common knee injuries, and multiple reconstructive techniques have been described. However, studies frequently report an inability to duplicate native, dynamic knee function, particularly rotationally. This residual joint laxity that occasionally follows an ACL reconstruction can cause further problems post surgical intervention, including meniscal tears and especially late osteoarthritic change. Additionally, ACL graft retears are a concern, particularly in young patients...
December 2016: Arthroscopy Techniques
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