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Anterolateral ligament

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https://www.readbyqxmd.com/read/28534321/does-anatomic-single-bundle-acl-reconstruction-using-hamstring-autograft-produce-anterolateral-meniscal-root-tearing
#1
Sebastián Irarrázaval, Angel Masferrer-Pino, Maximiliano Ibañez, Tamer M A Shehata, María Naharro, Joan C Monllau
BACKGROUND: To determine if tibial tunnel reaming during anatomic single-bundle anterior cruciate ligament (ACL) reconstruction using hamstring autograft can result in anterolateral meniscal root injury, as diagnosed by magnetic resonance imaging (MRI). METHODS: A case series of 104 primary anatomic single-bundle ACL reconstructions using hamstring autograft was retrospectively reviewed. Pre- and post-operative (>1 year) MRIs were radiologically evaluated for each patient, with a lateral meniscus extrusion > 3 mm at the level of the medial collateral ligament midportion on a coronal MRI, to establish anterolateral meniscal root injury...
December 2017: Journal of Experimental Orthopaedics
https://www.readbyqxmd.com/read/28531285/paratrigeminal-paraclival-precavernous-or-all-of-the-above-a-circumferential-anatomical-study-of-the-c3-c4-transitional-segment-of-the-internal-carotid-artery
#2
Eleonora Marcati, Norberto Andaluz, Sebastien C Froelich, Lee A Zimmer, James L Leach, Juan Carlos Fernandez-Miranda, Almaz Kurbanov, Jeffrey T Keller
BACKGROUND: Although the term paraclival carotid pervades recent skull base literature, no clear consensus exists regarding boundaries or anatomical segments. OBJECTIVE: To reconcile various internal carotid artery (ICA) nomenclatures for transcranial and endoscopic-endonasal perspectives, we reexamined the transition between lacerum (C3) and cavernous (C4) segments using a C1-C7 segments schema. In this cadaveric study, we obtained a 360°-circumferential view integrating histological, microsurgical, endoscopic, and neuroradiological analyses of this C3-C4 region and identified a distinct transitional segment...
May 21, 2017: Operative Neurosurgery (Hagerstown, Md.)
https://www.readbyqxmd.com/read/28523513/erratum-to-high-interspecimen-variability-in-engagement-of-the-anterolateral-ligament-an-in-vitro-cadaveric-study
#3
Robert N Kent, James F Boorman-Padgett, Ran Thein, Jelle P van der List, Danyal H Nawabi, Thomas L Wickiewicz, Carl W Imhauser, Andrew D Pearle
No abstract text is available yet for this article.
May 18, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28511363/solving-the-mystery-of-the-antero-lateral-ligament
#4
P H Sonia Farhan, Rathi Sudhakaran, Jai Thilak
INTRODUCTION: The cruciate ligaments are essential for the antero-posterior stability of the knee joint. In Anterior Cruciate Ligament (ACL) rupture, though reconstructive surgery is a widely accepted and proven procedure, there is still an unacceptably high re-injury rate. The fact that the rotational instability persists even after the surgical reconstruction of ACL injury has evoked a new interest in the study of the soft tissue structures on the anterolateral aspect of the knee joint...
March 2017: Journal of Clinical and Diagnostic Research: JCDR
https://www.readbyqxmd.com/read/28508294/preoperative-mri-is-helpful-but-not-sufficient-to-detect-associated-lesions-in-patients-with-chronic-ankle-instability
#5
Kevin Staats, Manuel Sabeti-Aschraf, Sebastian Apprich, Hannes Platzgummer, Stephan E Puchner, Johannes Holinka, Reinhard Windhager, Reinhard Schuh
PURPOSE: The aim of this study was to determine the reliability and validity of preoperative magnetic resonance imaging (MRI) scans for the detection of additional pathologies in patients with chronic ankle instability (CAI) compared to arthroscopic findings. METHODS: Preoperative MRI images of 30 patients were evaluated regarding articular and periarticular comorbidities and compared to intraoperative findings. The reliability of MRI was determined by calculating specificity, sensitivity, as well as positive and negative predictive values...
May 15, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28507781/isolated-posterior-cruciate-ligament-tears-an-update-of-management
#6
REVIEW
Alfonso Vaquero-Picado, E Carlos Rodríguez-Merchán
Isolated posterior cruciate ligament (PCL) tears are much less frequent than anterior cruciate ligament (ACL) tears.Abrupt posterior tibial translation (such as dashboard impact), falls in hyperflexion and direct hyperextension trauma are the most frequent mechanisms of production.The anterolateral bundle represents two-thirds of PCL mass and is reconstructed in single-bundle techniques.The PCL has an intrinsic capability for healing. This is the reason why, nowadays, the majority of isolated PCL tears are managed non-operatively, with rehabilitation and bracing...
April 2017: EFORT Open Rev
https://www.readbyqxmd.com/read/28502387/anterolateral-ligament-reconstruction-techniques-biomechanics-and-clinical-outcomes-a-systematic-review
#7
REVIEW
Nicholas N DePhillipo, Mark E Cinque, Jorge Chahla, Andrew G Geeslin, Robert F LaPrade
PURPOSE: To perform a systematic review of the described anterolateral ligament (ALL) reconstruction techniques, biomechanical performance, and clinical outcomes of ALL reconstruction in the setting of concurrent anterior cruciate ligament (ACL) reconstruction. METHODS: A systematic review was performed according to PRISMA guidelines using the Cochrane Database of Systematic Reviews, the Cochrane Central Register of Controlled Trials, PubMed, MEDLINE, and Embase, from 1980 to present...
May 11, 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28499093/the-segond-fracture-is-an-avulsion-of-the-anterolateral-complex
#8
Humza Shaikh, Elmar Herbst, Ata Amir Rahnemai-Azar, Marcio Bottene Villa Albers, Jan-Hendrik Naendrup, Volker Musahl, James J Irrgang, Freddie H Fu
BACKGROUND: The Segond fracture was classically described as an avulsion fracture of the anterolateral capsule of the knee. Recently, some authors have attributed its pathogenesis to the "anterolateral ligament" (ALL). Biomechanical studies that have attempted to reproduce this fracture in vitro have reported conflicting findings. PURPOSE: To determine the anatomic characteristics of the Segond fracture on plain radiographs and magnetic resonance imaging (MRI), to compare this location with the location of the ALL described in prior radiographic and anatomic publications, and to determine the fracture's attachments to the soft tissue anterolateral structures of the knee...
May 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28490686/-a-case-of-meralgia-paresthetica-treated-with-neurolysis
#9
Toshiki Nozaki, Daijiro Morimoto, Kyongsong Kim, Takao Kitamura, Rinko Kokubo, Fumio Yamaguchi, Toyohiko Isu, Akio Morita
A 60-year-old woman presented with a 1-year history of pain and numbness in the left anterolateral thigh. The symptoms aggravated on walking and standing. Her visual analogue scale(VAS)score was 7.1/10. Tinel's like sign was positive over the lateral femoral cutaneous nerve(LFCN), in the inguinal ligament region. LFCN block at the trigger point, in the inguinal ligament, resulted in relief of the symptoms and we diagnosed meralgia paresthetica(MP), which is the entrapment neuropathy of the LFCN. Initially, we performed observation therapy with oral medication and LFCN blocks...
May 2017: No Shinkei Geka. Neurological Surgery
https://www.readbyqxmd.com/read/28484790/lateral-meniscus-posterior-root-tear-contributes-to-anterolateral-rotational-instability-and-meniscus-extrusion-in-anterior-cruciate-ligament-injured-patients
#10
Takao Minami, Takeshi Muneta, Ichiro Sekiya, Toshifumi Watanabe, Tomoyuki Mochizuki, Masafumi Horie, Hiroki Katagiri, Koji Otabe, Toshiyuki Ohara, Mai Katakura, Hideyuki Koga
PURPOSE: The purposes of this study were to investigate (1) meniscus status and clinical findings in anterior cruciate ligament (ACL)-injured patients to clarify associations between the meniscus posterior root tear (PRT) and knee instability, and (2) magnetic resonance imaging (MRI) findings of the PRT to clarify sensitivity and specificity of MRI and prevalence of meniscus extrusion. METHODS: Three hundred and seventeen patients with primary ACL reconstruction were included...
May 8, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28480792/a-rare-presentation-of-meralgia-paraesthetica-in-limb-girdle-muscular-dystrophy
#11
Ozgur Zeliha Karaahmet, Eda Gurcay, Duygu Ozturk, Sukran Guzel, Aytul Cakci
A 44-year-old female with paraesthesia and pain on the left anterolateral thigh who had been diagnosed with limb-girdle muscular dystrophy by electromyography and muscle biopsy is presented. Neurological examination revealed atrophy of the proximal muscles of both shoulders, plus pseudo hypertrophy of both calves. Electromyography exhibited a myopathic pattern. Musculoskeletal ultrasound imaging demonstrated a fusiform nerve swelling below the inguinal ligament suggesting lateral femoral cutaneous nerve compression, consistent with meralgia paraesthetica...
January 1, 2017: Scottish Medical Journal
https://www.readbyqxmd.com/read/28477147/high-interspecimen-variability-in-engagement-of-the-anterolateral-ligament-an-in-vitro-cadaveric-study
#12
REVIEW
Robert N Kent, James F Boorman-Padgett, Ran Thein, Jelle P van der List, Danyal H Nawabi, Thomas L Wickiewicz, Carl W Imhauser, Andrew D Pearle
BACKGROUND: Anterolateral ligament (ALL) reconstruction as an adjunct to anterior cruciate ligament (ACL) reconstruction remains a subject of clinical debate. This uncertainty may be driven in part by a lack of knowledge regarding where, within the range of knee motion, the ALL begins to carry force (engages). QUESTIONS/PURPOSES: (1) Does the ALL engage in the ACL-intact knee; and (2) where within the range of anterior tibial translation occurring in the ACL-sectioned knee does the ALL engage? METHODS: A robotic manipulator was used to measure anterior tibial translation, ACL forces, and ALL forces in 10 fresh-frozen cadaveric knees (10 donors; mean age, 41 ± 16 years; range, 20-64 years; eight male) in response to applied multiplanar torques...
May 5, 2017: Clinical Orthopaedics and related Research
https://www.readbyqxmd.com/read/28476361/editorial-commentary-the-anterolateral-ligament-what-we-know-what-we-do-not-know-and-how-this-article-helps
#13
EDITORIAL
Bruce A Levy, Rohith Mohan
A recent study on knee anterolateral ligament anatomy is a significant contribution to the literature because it provides precise isometric radiographic landmarks for both femoral and tibial tunnel placement, which are paramount to successful anterolateral ligament reconstruction.
May 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28476360/editorial-commentary-do-we-need-to-look-for-isometry-in-anterolateral-ligament-reconstruction
#14
EDITORIAL
Bertrand Sonnery-Cottet
In a recent computer simulation study, authors attempted to calculate the optimal femoral and tibial insertion points for an almost isometric anterolateral ligament (ALL) reconstruction. However, it is important to note that the tibial insertion of the ALL is broad and cannot be defined by a single point. Furthermore, previous studies have demonstrated that the ALL shows a nonisometric behavior during flexion-extension, tight close to extension to control the rotation (and the pivot shift), and slack in flexion to allow physiological internal rotation...
May 2017: Arthroscopy: the Journal of Arthroscopic & related Surgery
https://www.readbyqxmd.com/read/28459645/beyond-the-anterolateral-ligament-letter-to-the-editor
#15
Andrea Ferretti
No abstract text is available yet for this article.
May 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28459644/beyond-the-anterolateral-ligament-response
#16
Daniel Guenther, Freddie H Fu, Volker Musahl, Richard E Debski
No abstract text is available yet for this article.
May 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28447141/the-iliotibial-band-and-anterolateral-capsule-have-a-combined-attachment-to-the-segond-fracture
#17
Marcio Albers, Humza Shaikh, Elmar Herbst, Kentaro Onishi, Kanto Nagai, Volker Musahl, Freddie H Fu
The purpose of this report was to describe the injury mechanism, surgical findings, and outcomes in a 21-year-old professional female football player who presented with a complete anterior cruciate ligament (ACL) rupture and Segond fracture. Interview and video analysis were performed to elicit the injury mechanism. Clinical examination and imaging revealed a complete ACL tear, Segond fracture, lateral meniscus tear, MCL sprain, and posterolateral corner sprain. Examination under anaesthesia revealed Grade 2 pivot shift and varus/valgus instability...
April 26, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28432395/the-magnetic-resonance-imaging-appearance-of-the-anterolateral-ligament-of-the-knee-in-association-with-anterior-cruciate-rupture
#18
Jonathan D Kosy, Peter J Schranz, Anish Patel, Rahul Anaspure, Vipul I Mandalia
OBJECTIVE: The magnetic resonance imaging (MRI) appearance of the anterolateral ligament (ALL) has been described. However, the appearance of this structure and injury, in the presence of anterior cruciate ligament (ACL) injury, is less well defined. We studied the incidence of injury to the ALL and the pattern of this injury on MRI. MATERIALS AND METHODS: Following Institutional Review Board approval, a retrospective study of 375 consecutive MRI studies was performed...
April 21, 2017: Skeletal Radiology
https://www.readbyqxmd.com/read/28426251/current-concepts-of-the-anterolateral-ligament-of-the-knee-anatomy-biomechanics-and-reconstruction
#19
Matthew J Kraeutler, K Linnea Welton, Jorge Chahla, Robert F LaPrade, Eric C McCarty
In 1879, Paul Segond described an avulsion fracture (now known as a Segond fracture) at the anterolateral proximal tibia with the presence of a fibrous band at the location of this fracture. Although references to this ligament were occasionally made in the anatomy literature after Segond's discovery, it was not until 2012 that Vincent et al named this ligament what we know it as today, the anterolateral ligament (ALL) of the knee. The ALL originates near the lateral epicondyle of the distal femur and inserts on the proximal tibia near Gerdy's tubercle...
April 1, 2017: American Journal of Sports Medicine
https://www.readbyqxmd.com/read/28407360/the-anterolateral-ligament-a-cadaveric-study-in-fetuses
#20
Ainhoa Nekane Toro-Ibarguen, Juan Pretell-Mazzini, Elena Pérez, Isabel Pedrajas, Juan Miguel Cano-Egea, Jose Ramón Sanudo
The aim of this study was to determine the presence and morphology of the anterolateral ligament (ALL) of the knee in a sample of fetuses. We hypothesized that the ALL is present in sample fetuses and its origin is not related to repetitive stresses throughout life. Forty fresh-frozen knees from cadaveric fetuses were dissected using a standard technique. The ALL and other structures in the anterolateral compartment of the knee were identified. The details of the femoral and tibial attachments, course and relationships with anatomical structures of the ALL were identified, recorded, and quantitatively characterized...
April 13, 2017: Clinical Anatomy
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