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Anterolateral ligament

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https://www.readbyqxmd.com/read/29350081/assessment-of-the-anterolateral-ligament-of-the-knee-by-1-5-t-magnetic-resonance-imaging
#1
Volkan Kızılgöz, Ali Kemal Sivrioğlu, Hasan Aydın, Türkhun Çetin, Gökhan Ragıp Ulusoy
Objective This study was performed to evaluate the visibility of the knee's anterolateral ligament (ALL) by magnetic resonance (MR) imaging when evaluating injuries of the ALL in relation to injuries of the anterior cruciate ligament (ACL). Methods Two reviewers retrospectively analyzed MR images for the visibility and dimensions of the ALL and the relationship between ALL and ACL injuries. The intraclass correlation coefficient (ICC) and kappa analysis were used to assess interobserver reliability. The chi-square test was used to assess the relationship between ALL and ACL injuries...
January 1, 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29320786/imaging-of-ligamentous-structures-within-the-knee-includes-much-more-than-the-acl
#2
Kara Gaetke-Udager, Corrie M Yablon
Ligamentous structures of the knee are numerous and complex, including the anterior and posterior cruciate ligaments, medial and lateral collateral ligaments, ligaments of the posteromedial and posterolateral corners, and the anterolateral ligament. Clinical assessment after a knee injury is paramount and can direct both the clinician's choice of imaging study and the radiologist's interpretation. Imaging is crucial in that it provides additional information for diagnosis, management, and surgical planning...
January 10, 2018: Journal of Knee Surgery
https://www.readbyqxmd.com/read/29312850/anterolateral-rotatory-instability-in-vivo-correlates-tunnel-position-after-anterior-cruciate-ligament-reconstruction-using-bone-patellar-tendon-bone-graft
#3
Yasutaka Tashiro, Ken Okazaki, Koji Murakami, Hirokazu Matsubara, Kanji Osaki, Yukihide Iwamoto, Yasuharu Nakashima
AIM: To quantitatively assess rotatory and anterior-posterior instability in vivo after anterior cruciate ligament (ACL) reconstruction using bone-patellar tendon-bone (BTB) autografts, and to clarify the influence of tunnel positions on the knee stability. METHODS: Single-bundle ACL reconstruction with BTB autograft was performed on 50 patients with a mean age of 28 years using the trans-tibial (TT) (n = 20) and trans-portal (TP) (n = 30) techniques. Femoral and tibial tunnel positions were identified from the high-resolution 3D-CT bone models two weeks after surgery...
December 18, 2017: World Journal of Orthopedics
https://www.readbyqxmd.com/read/29310403/multilocular-cystic-leiomyoma-of-the-anterolateral-abdominal-wall-a-case-report-and-literature-review
#4
Kenji Yorita, Yu Tanaka, Koki Hirano, Michio Kuwahara, Kimiko Nakatani, Masaharu Fukunaga, Abbas Agaimy
RATIONALE: Leiomyomas arising from the anterolateral abdominal wall are uncommon, and their pathogenesis remains unknown. We present the 15th case of such a tumor, having this unique tumor morphology, followed by a detailed discussion on disease pathogenesis. PATIENT CONCERNS: A 48-year-old, asymptomatic perimenopausal, multiparous Japanese woman presented with a left-sided pelvic mass. She had no history of previous surgeries or uterine leiomyomas. Although a transabdominal ultrasonogram raised suspicions of an ovarian tumor, a transvaginal ultrasonogram confirmed normal ovaries...
December 2017: Medicine (Baltimore)
https://www.readbyqxmd.com/read/29306061/structure-of-vagal-afferent-nerve-terminal-fibers-in-the-mouse-trachea
#5
Michal Hennel, Jana Harsanyiova, Fei Ru, Tomas Zatko, Mariana Brozmanova, Alzbeta Trancikova, Milos Tatar, Marian Kollarik
The structure of primary afferent nerve terminals profoundly influences their function. While the complex vagal airway nerve terminals (stretch receptors, cough receptors and neuroepithelial bodies) were thoroughly characterized, much less is known about the structure of airway nerves that do not form distinct complex terminals (often termed free nerve fibers). We selectively induced expression of GFP in vagal afferent nerves in the mouse by transfection with AAV-GFP virus vector and visualized nerve terminals in the trachea by whole organ confocal imaging...
January 3, 2018: Respiratory Physiology & Neurobiology
https://www.readbyqxmd.com/read/29304967/editorial-commentary-filling-the-void-in-translational-research-for-lateral-extra-articular-tenodesis-for-anterior-cruciate-ligament-reconstruction-are-we-saturated-with-biomechanical-studies
#6
EDITORIAL
Patrick A Smith
Anterior cruciate ligament (ACL) graft failure rates remain unacceptably high in certain populations, and researchers are examining the effect that the anterolateral ligament (ALL) has on knee stability following ACL reconstruction. Currently, most available research examining the ALL has focused on cadaveric biomechanical kinematic studies, including the effect of surgical techniques for ALL reconstruction/lateral extra-articular tenodesis (LET). However, it is critical for ongoing and future research to focus on clinical outcome measures relating to individuals who have had ALL reconstruction or LET along with their ACL reconstructions...
January 2018: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29287952/the-effect-of-sequential-tearing-of-the-anterior-cruciate-and-anterolateral-ligament-on-anterior-translation-and-the-pivot-shift-phenomenon-a-cadaveric-study-using-navigation
#7
Edoardo Monaco, Mattia Fabbri, Daniele Mazza, Matthew Daggett, Andrea Redler, Riccardo Maria Lanzetti, Angelo De Carli, Andrea Ferretti
PURPOSE: To evaluate the effect of progressive lesions of the anterior cruciate ligament (ACL) and anterolateral ligament (ALL) on anterior tibial translation (ATT) as evaluated through the Lachman test and internal tibial rotation (ITR) during a dynamic pivot-shift test in a cadaveric model. METHODS: A total of 7 specimens were tested using a navigation system (2.2 OrthoPilot ACL navigation system). The anterior stability of the knee was measured through the Lachman test and dynamic rotational stability was measured through the pivot-shift test in 3 different conditions: intact knee; ACL-deficient knee; and finally, ACL- and ALL-deficient knee...
December 26, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/29286825/is-treatment-of-segond-fracture-necessary-with-combined-anterior-cruciate-ligament-reconstruction
#8
Heath P Melugin, Nick R Johnson, Isabella T Wu, Bruce A Levy, Michael J Stuart, Aaron J Krych
BACKGROUND: There is a paucity of clinical information to guide the treatment of a combined anterior cruciate ligament (ACL) tear and Segond fracture. PURPOSE: To compare clinical outcomes, graft failure rates, and activity levels between patients undergoing ACL reconstruction (ACLR) with and without an untreated Segond fracture at a minimum 2-year follow-up. STUDY DESIGN: Cohort study; Level of evidence, 3. METHODS: This study included a group of patients with a combined ACL tear/untreated Segond fracture that was matched based on age, sex, body mass index, and graft type to a control group of patients with an ACL tear and no Segond fracture...
December 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/29244692/reconstruction-of-extended-bone-defects-using-massive-allografts-combined-with-surgical-angiogenesis-a-case-report
#9
Victoria Struckmann, Gerhard Schmidmaier, Thomas Ferbert, Ulrich Kneser, Thomas Kremer
CASE: A 20-year-old patient presented with an extended composite knee defect with destruction of the medial femoral condyle, including the medial collateral ligament. Treatment included using an anterolateral thigh flap for soft-tissue reconstruction, tensor fasciae latae muscle for ligament repair, and a massive allogenic bone graft of the medial femoral condyle that was revascularized with an osteocutaneous composite free flap from the contralateral femur. At 17 months postoperatively, the outcome was evaluated with scores on several established scales and radiographic assessment...
January 2017: JBJS Case Connector
https://www.readbyqxmd.com/read/29242806/comparison-of-the-source-and-quality-of-information-on-the-internet-between-anterolateral-ligament-reconstruction-and-anterior-cruciate-ligament-reconstruction-an-australian-experience
#10
Brian M Devitt, Taylor Hartwig, Haydn Klemm, Filip T Cosic, James Green, Kate E Webster, Julian A Feller, Joseph F Baker
Background: The internet is a valuable tool, but concerns exist regarding the quality and accuracy of medical information available online. Purpose: To evaluate the source and quality of information on the internet relating to anterolateral ligament reconstruction (ALLR) compared with anterior cruciate ligament reconstruction (ACLR). Study Design: Cross-sectional study. Methods: A questionnaire was administered to 50 ACLR patients in Australia to determine their use of the internet to research their operation and their familiarity with the anterolateral ligament (ALL) of the knee...
December 2017: Orthopaedic Journal of Sports Medicine
https://www.readbyqxmd.com/read/29209808/minimal-influence-of-the-anterolateral-knee-ligament-on-anterior-and-rotational-laxity-of-the-knee-a-cadaveric-study
#11
Jean-Yves Jenny, Benjamin Puliero, Gilles Schockmel, Sébastien Harnoist, Philippe Clavert
Knee laxity may be impacted by rupture of the anterolateral knee ligament (ALL). The goal of this study was to measure tibial translation and rotation as a function of the status of the ALL and the anterior cruciate ligament (ACL). Five pairs of fresh frozen cadaver specimens were analyzed. The knee was positioned in 20° flexion. Calibrated posteroanterior forces and internal/external torques were successively applied. Anterior tibial translation and total internal/external tibial rotation were measured with a navigation system...
December 5, 2017: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29191469/role-of-anterolateral-reconstruction-in-patients-undergoing-anterior-cruciate-ligament-reconstruction
#12
REVIEW
C Lutz
There is renewed interest in anterolateral reconstruction (ALR) for patients undergoing anterior cruciate ligament (ACL) reconstruction. This is the result of isolated ACL reconstruction and double-bundle reconstruction providing inadequate control over the pivot shift, and recent anatomical and biomechanical studies on the anterolateral ligament (ALL) and its role in the knee's rotational stability.From a technical point of view, ALR can be performed either as a continuity of the intra-articular ACL reconstruction or an independent procedure...
November 27, 2017: Orthopaedics & Traumatology, Surgery & Research: OTSR
https://www.readbyqxmd.com/read/29173561/the-anterolateral-ligament-does-exist-an-anatomic-description
#13
REVIEW
Stefano Zaffagnini, Alberto Grassi, Giulio Maria Marcheggiani Muccioli, Federico Raggi, Matteo Romagnoli, Alice Bondi, Salvatore Calderone, Cecilia Signorelli
The debate around the existence, anatomy, and role of the so-called anterolateral ligament of the knee represents one of the main sources of recent controversy among orthopedic surgeons. In the modern era of sports medicine, several content experts have contributed to the understanding of the anatomy of the anterolateral aspect of the knee. This article analyzes the historical, phylogenetic, anatomic, arthroscopic, and radiological evidence regarding the anterolateral ligament. The existence of the anterolateral ligament as a distinct ligamentous structure and its exact anatomic features are still matters of controversy and ongoing study...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173560/extra-articular-tenodesis-in-combination-with-anterior-cruciate-ligament-reconstruction-an-overview
#14
REVIEW
Simone Cerciello, Cécile Batailler, Nader Darwich, Philippe Neyret
Anterior cruciate ligament (ACL) reconstruction is a successful procedure with high rates of return to sport. However, some patients experience persistent instability and graft failure. These adverse events have a significant impact, especially on high-level athletes. In an effort to improve outcomes for these patients, more attention is being paid to the anatomic structures at the anterolateral aspect of the knee. The anterolateral structures of the knee have been shown to play a major role in decreasing rotatory knee instability and forces across the ACL graft following reconstruction...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173559/anterolateral-ligament-reconstruction-or-extra-articular-tenodesis-why-and-when
#15
REVIEW
Manoj Mathew, Aad Dhollander, Alan Getgood
Residual rotational laxity following anterior cruciate ligament (ACL) reconstruction has been identified as significant concern in many patients, despite evolution of techniques. The expanding body of knowledge on the anatomy and biomechanics of the anterolateral soft tissue restraints in rotational control of the knee has reignited an interest in extra-articular reconstruction techniques for augmenting ACL reconstruction. Reconstruction techniques currently used can be broadly categorized as either lateral extra-articular tenodesis or reconstruction of the anterolateral ligament...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173557/secondary-stabilizers-of-tibial-rotation-in-the-intact-and-anterior-cruciate-ligament-deficient-knee
#16
REVIEW
Daniel James Kaplan, Laith M Jazrawi
The controversy regarding the existence and function of the anterolateral ligament or anterolateral complex has reinvigorated interest in rotational stability of the knee joint. This is particularly true of anterolateral rotary instability, as many patients, despite anatomic reconstruction of their anterior cruciate ligament, continue to experience instability. Many experts point toward compromised anterolateral restraints as the underlying culprit, namely, the anterolateral complex, which includes the iliotibial band, anterolateral capsule, lateral meniscus, and lateral collateral ligament...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173555/biomechanical-proof-for-the-existence-of-the-anterolateral-ligament
#17
REVIEW
Jorge Chahla, Andrew G Geeslin, Mark E Cinque, Robert F LaPrade
With the recent "description" of the anterolateral ligament (ALL) of the knee, its role in controlling rotational stability has reemerged. An improved understanding of the anatomy of the anterolateral complex of the knee has led to an expansion of the literature on the biomechanics of many structures, including the contribution of the iliotibial band and its deep (Kaplan) fibers, the capsulo-osseous layer, the ALL, and the lateral meniscal posterior root to knee stability. This article describes the primary and secondary roles of key anatomic structures at the anterolateral aspect of the knee...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173554/biomechanics-of-the-anterolateral-structures-of-the-knee
#18
REVIEW
Christoph Kittl, Eivind Inderhaug, Andy Williams, Andrew A Amis
This article describes the complex anatomic structures that pass across the lateral aspect of the knee, particularly the iliotibial tract and the underlying anterolateral ligament and capsule. It provides data on their strength and roles in controlling tibiofemoral joint laxity and stability. These findings are discussed in relation to surgery to repair or reconstruct the anatomic structures, or to create tenodeses with similar effect.
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173553/what-is-the-state-of-the-evidence-in-anterolateral-ligament-research
#19
REVIEW
Paul A Moroz, Emily E Quick, Nolan S Horner, Andrew Duong, Nicole Simunovic, Olufemi R Ayeni
The anterolateral ligament (ALL) is a capsular structure of the knee that is the subject of increasing academic interest. This article reviewed recent ALL literature in terms of subject matter and quality. Although current literature focusing on the ALL is small and limited to level 4 and 5 evidence, it is rapidly expanding. Cadaveric studies describing ALL biomechanics are the most common study design, followed by radiographic studies. The methodologic quality of cadaveric studies focusing on the ALL is high...
January 2018: Clinics in Sports Medicine
https://www.readbyqxmd.com/read/29173551/extra-articular-plasty-for-revision-anterior-cruciate-ligament-reconstruction
#20
REVIEW
Panagiotis Ntagiopoulos, David Dejour
Recent studies have renewed interest in the structures of the anterolateral aspect of the knee. Concomitant damage to these structures in the setting of anterior cruciate ligament rupture has led to various surgical techniques to address these combined injuries. This article is a description of the rationale and the indications for lateral extra-articular tenodesis as well as surgical technique.
January 2018: Clinics in Sports Medicine
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