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Anterior talofibular ligament

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https://www.readbyqxmd.com/read/29727309/differences-between-subtalar-instability-and-lateral-ankle-instability-focusing-on-subtalar-ligaments-based-on-three-dimensional-isotropic-magnetic-resonance-imaging
#1
Deuk Young Yoon, Sung Gyu Moon, Hong-Geun Jung, Na Ra Kim
OBJECTIVE: The purpose of this study was to assess the differences between subtalar instability (STI) and lateral ankle instability (LAI) focusing on subtalar ligaments using 3-dimensional (3D) isotropic magnetic resonance imaging (MRI). METHODS: Preoperative MRIs of 10 patients with STI who failed nonoperative treatment and consequently underwent arthroscopic subtalar reconstruction were compared with preoperative MRIs of 23 patients with LAI who underwent ligament repair or reconstruction...
April 28, 2018: Journal of Computer Assisted Tomography
https://www.readbyqxmd.com/read/29600268/healing-of-complete-tear-of-the-anterior-talofibular-ligament-and-early-ankle-stabilization-after-autologous-platelet-rich-plasma-a-case-report-and-literature-review
#2
Mark Wai Wah Lai, Regina Wing Shan Sit
Lateral Ankle sprain (LAS) is a common sports injury associated with recurrent ankle sprain, chronic ankle instability (CAI) and post-traumatic ankle osteoarthritis (PTOA). Platelet Rich Plasma (PRP) has been increasingly used for herapeutic applications in sports-related injuries, and is thought to stimulate tissue healing. We reported a case of LAS with complete tear of anterior talofibular ligament, which showed complete healing of ligament and early ankle stabilization after PRP. The healing is supported by dynamic ultrasound images and magnetic resonance imaging...
March 2018: Archives of Bone and Joint Surgery
https://www.readbyqxmd.com/read/29560491/comparative-evaluation-between-anatomic-and-non-anatomic-lateral-ligament-reconstruction-techniques-in-the-ankle-joint-a-computational-study
#3
Tserenchimed Purevsuren, Myagmarbayar Batbaatar, Batbayar Khuyagbaatar, Kyungsoo Kim, Yoon Hyuk Kim
Biomechanical studies have indicated that the conventional non-anatomic reconstruction techniques for lateral ankle sprain (LAS) tend to restrict subtalar joint motion compared to intact ankle joints. Excessive restriction in subtalar motion may lead to chronic pain, functional difficulties, and development of osteoarthritis. Therefore, various anatomic surgical techniques to reconstruct both the anterior talofibular and calcaneofibular ligaments have been introduced. In this study, ankle joint stability was evaluated using multibody computational ankle joint model to assess two new anatomic reconstruction and three popular non-anatomic reconstruction techniques...
March 12, 2018: Journal of Biomechanical Engineering
https://www.readbyqxmd.com/read/29528723/intraoperative-findings-of-lateral-ligament-avulsion-fractures-and-outcome-after-refixation-to-the-fibula
#4
Jasmin Diallo, Joe Wagener, Christine Schweizer, Tamara Horn Lang, Roxa Ruiz, Beat Hintermann
BACKGROUND: An acute ankle sprain can result in a bony avulsion of the lateral ankle ligaments. The extent of concomitant lesions and subsequent instability patterns are not clearly understood. The high incidence of old avulsion fractures found in symptomatic chronic ankle instability may indicate the need for primary fixation. METHODS: Ten patients (5 male, 5 female; mean age, 34 years; range, 15-64 years) with bony avulsion fractures of the fibula after acute ankle sprains were included...
March 1, 2018: Foot & Ankle International
https://www.readbyqxmd.com/read/29521168/influence-of-ankle-joint-plantarflexion-and-dorsiflexion-on-lateral-ankle-sprain-a-computational-study
#5
Tserenchimed Purevsuren, Kyungsoo Kim, Myagmarbayar Batbaatar, SuKyoung Lee, Yoon Hyuk Kim
Understanding the mechanism of injury involved in lateral ankle sprain is essential to prevent injury, to establish surgical repair and reconstruction, and to plan reliable rehabilitation protocols. Most studies for lateral ankle sprain posit that ankle inversion, internal rotation, and plantarflexion are involved in the mechanism of injury. However, recent studies indicated that ankle dorsiflexion also plays an important role in the lateral ankle sprain mechanism. In this study, the contributions of ankle plantarflexion and dorsiflexion on the ankle joint were evaluated under complex combinations of internal and inversion moments...
May 2018: Proceedings of the Institution of Mechanical Engineers. Part H, Journal of Engineering in Medicine
https://www.readbyqxmd.com/read/29404669/clinical-and-magnetic-resonance-imaging-assessment-of-anatomical-lateral-ankle-ligament-reconstruction-comparison-of-tendon-allograft-and-autograft
#6
Qianru Li, Kui Ma, Hongyue Tao, Yinghui Hua, Shuang Chen, Shiyi Chen, Yutong Zhao
PURPOSE: To compare the results of anatomical lateral ankle ligament (LAL) reconstruction with tendon allograft and autograft using clinical scores and ultrashort echo time (UTE) sequence of MRI. METHODS: A total of 26 patients with LAL reconstruction were recruited in this study, including 16 using semitendinosus allografts and 10 using semitendinosus autograft. All of them were diagnosed as chronic ankle instability and accepted anatomic reconstruction. The American Orthopedic Foot and Ankle Society (AOFAS) score, Karlsson score, and radiological evaluation using MRI UTE scanning were extracted from each patient...
March 2018: International Orthopaedics
https://www.readbyqxmd.com/read/29395807/the-distal-margin-of-the-lateral-malleolus-visible-under-ankle-arthroscopy-articular-tip-from-the-anteromedial-portal-is-separate-from-the-atfl-attachment-site-of-the-fibula-a-cadaver-study
#7
Atsushi Teramoto, Hiroaki Shoji, Yuzuru Sakakibara, Tomoyuki Suzuki, Kota Watanabe, Toshihiko Yamashita
PURPOSE: The purpose of this study was to evaluate the relationship between the lateral malleolus view under ankle arthroscopy and the anterior talofibular ligament (ATFL) attachment site. METHODS: Seven normal ankles from Thiel-embalmed cadavers were investigated. Ankle arthroscopy was performed using a 2.7 mm-diameter, 30-degree, oblique-viewing endoscope. An antero-medial portal (AM), a medial midline portal (MML), and an antero-central portal (AC) were created in order, and the ankle arthroscope was inserted...
January 22, 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/29363788/evaluation-of-the-anterior-talofibular-ligament-via-stress-sonography-in-asymptomatic-and-symptomatic-populations
#8
Daniel J Mizrahi, Levon N Nazarian, Laurence Parker
OBJECTIVES: Sonography during externally applied stress has the potential to identify ligamentous instability, but diagnostic parameters for the most commonly sprained ankle ligament, the anterior talofibular ligament (ATFL), have not yet been established. The purpose of this study was to determine normative values of the change in the length of the ATFL in an asymptomatic population during manual stress sonography and to compare these values to those in patients with clinical findings of anterolateral ankle instability...
January 24, 2018: Journal of Ultrasound in Medicine: Official Journal of the American Institute of Ultrasound in Medicine
https://www.readbyqxmd.com/read/29299765/reliability-and-validity-of-preoperative-mri-for-surgical-decision-making-in-chronic-lateral-ankle-instability
#9
Antoine Morvan, Shahnaz Klouche, André Thes, Philippe Hardy, Thomas Bauer
PURPOSE: To evaluate the value of analyzing the anterior talofibular ligament (ATFL) on preoperative MRI as a decision-making tool to determine the surgical technique in patients undergoing surgery for chronic lateral ankle instability. METHODS: A retrospective study of prospective data was performed. All patients who underwent surgery between 2013 and 2016 for arthroscopic stabilization of the ankle were included. The ATFL was evaluated on preoperative MRI including axial T2-weighted images by two readers who were blinded to arthroscopic results...
January 3, 2018: European Journal of Orthopaedic Surgery & Traumatology: Orthopédie Traumatologie
https://www.readbyqxmd.com/read/29239256/use-of-three-dimensional-finite-element-models-of-the-lateral-ankle-ligaments-to-evaluate-three-surgical-techniques
#10
Cheng-Wei Wang, Aikeremujiang Muheremu, Jing-Ping Bai
Objective To compare three surgical techniques for lateral ankle ligament reconstruction using finite element (FE) models. Methods A three-dimensional FE model of the left foot of a healthy volunteer and lateral collateral ligament injury models were developed. Three tendons [one-half of the autologous peroneus longus tendon (PLT), one-half of the peroneus brevis tendon (PBT), and an allogeneic tendon] were used for lateral collateral ligament reconstruction. The ankle varus stress and anterior drawer tests were performed to compare the three surgical techniques...
February 2018: Journal of International Medical Research
https://www.readbyqxmd.com/read/29196235/morphological-features-of-the-anterior-talofibular-ligament-by-the-number-of-fiber-bundles
#11
Mutsuaki Edama, Ikuo Kageyama, Takanori Kikumoto, Masatoshi Nakamura, Wataru Ito, Emi Nakamura, Ryo Hirabayashi, Tomoya Takabayashi, Takuma Inai, Hideaki Onishi
The aims of this study have been to clarify differences in morphological features based on the number of fiber bundles in the anterior talofibular ligament (ATFL), and to investigate the relationship between the ATFL and the calcaneofibular ligament (CFL). This study used 81 legs from 43 cadavers. The ATFL was classified according to differences in the number of fiber bundles as: Type I, with one fiber bundle; Type II-a, with two fiber bundles that were incompletely separated; Type II-b, with two fiber bundles that were completely separated; and Type III, with three fiber bundles...
March 2018: Annals of Anatomy, Anatomischer Anzeiger: Official Organ of the Anatomische Gesellschaft
https://www.readbyqxmd.com/read/29162077/subtalar-instability-imaging-features-of-subtalar-ligaments-on-3d-isotropic-ankle-mri
#12
Tae Hyung Kim, Sung Gyu Moon, Hong-Geun Jung, Na Ra Kim
BACKGROUND: MRI analysis of subtalar ligaments in the tarsal sinus has not been well performed. We retrospectively investigated the appearance of subtalar ligaments using 3D isotropic MRI and compared imaging findings of subtalar ligaments between patients with subtalar instability (STI) and controls. METHODS: Preoperative MRIs of 23 STI patients treated with arthroscopic subtalar reconstruction were compared to MRIs of 23 age- and sex-matched control subjects without STI...
November 21, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28983653/combined-arthroscopic-all-inside-repair-of-lateral-and-medial-ankle-ligaments-is-an-effective-treatment-for-rotational-ankle-instability
#13
Jordi Vega, Jörg Allmendinger, Francesc Malagelada, Matteo Guelfi, Miki Dalmau-Pastor
PURPOSE: When the anterior fascicle of the deltoid ligament is injured in patients with chronic ankle instability, the diagnosis of rotational ankle instability is supported. The aim of this study was to report the results of an all-arthroscopic technique to concomitantly repair the lateral collateral and deltoid ligaments to treat patients with rotational ankle instability. METHODS: Thirteen patients [12 men and 1 woman, median age 32 (15-54) years] with rotational ankle instability were treated by arthroscopic means after failing non-operative management...
October 5, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
https://www.readbyqxmd.com/read/28979580/an-ultrasound-classification-of-anterior-talofibular-ligament-atfl-injury
#14
Yehua Cai, Shengkun Li, Shiyi Chen, Yinghui Hua, Jielin Shan
BACKGROUND: To develop a classification of ATFL injury based on the ultrasonography. METHODS: The ultrasound images of 560 cases that had chronic ankle instability were studied from May 2012 to May 2015. All the patients accepted ultrasonography to type the ATFL injury. RESULTS: The ATFL injuries could be divided into six subtypes based on ultrasound imaging: I: Intact ligament; II: Injury at the fibular side; III:Injury at the talar side; IV: Tear at the midsubstance; V:Ligament absorbed; VI:Combined injury...
2017: Open Orthopaedics Journal
https://www.readbyqxmd.com/read/28947241/the-effect-of-smoking-on-the-outcomes-of-lateral-ankle-ligament-reconstruction
#15
Dong-Oh Lee, Joon-Sang Eom, Hong-Geun Jung
BACKGROUND: Although smoking is known to be harmful to the musculoskeletal system, no studies have investigated its effects on the outcomes of ankle ligament surgery. We determined the effects of smoking on the clinical and radiological outcomes of lateral ankle ligament reconstruction using tendon allografts according to smoking status. METHODS: From among 105 patients with chronic ankle instability who were treated with anatomical reconstruction of the anterior talofibular ligament and the calcaneofibular ligament using semitendinosus tendon allografts and bio-tenodesis screws, 70 ankles, from 23 smokers and 47 non-smokers, were analyzed...
January 2018: Journal of Orthopaedic Science: Official Journal of the Japanese Orthopaedic Association
https://www.readbyqxmd.com/read/28899377/quantitative-magnetic-resonance-imaging-mri-analysis-of-anterior-talofibular-ligament-in-lateral-chronic-ankle-instability-ankles-pre-and-postoperatively
#16
Wei Liu, Hong Li, Yinghui Hua
BACKGROUND: The aim of this study was to quantitatively evaluate and characterize the dimension and signal intensity of anterior talofibular ligament (ATFL) using 3.0 T MRI in the mechanical ankle instability group pre- and postoperatively. METHODS: A total of 97 participants were recruited retrospectively in this study, including 56 with mechanical chronic ankle instability (CAI group) and 41 without ankle instability (Control group). All the subjects accepted MRI preoperatively...
September 12, 2017: BMC Musculoskeletal Disorders
https://www.readbyqxmd.com/read/28840049/recalcitrant-lateral-premalleolar-bursitis-of-the-ankle-associated-with-lateral-ankle-instability
#17
Masashi Naito, Takumi Matsumoto, Song Ho Chang, Masachika Ikegami, Jun Hirose, Sakae Tanaka
Lateral premalleolar bursitis of the ankle is a rarely reported disorder in the English literature although it is not uncommon in Asian countries where people commonly sit on their feet. Here, we present the case of a 66-year-old woman with recalcitrant lateral premalleolar bursitis associated with lateral ankle instability which was successfully treated with surgical resection of the bursa and repair of the anterior talofibular ligament. Operative findings revealed a communication between the bursa and articular cavity of the ankle joint via the sheath of the extensor digitorum longus tendon, which was considered to act as a check valve leading to a large and recalcitrant bursitis...
2017: Case Reports in Orthopedics
https://www.readbyqxmd.com/read/28780841/-mri-anatomy-and-injury-of-the-lateral-collateral-ligaments-of-ankle
#18
Z H Qian, Y Liu, R J Bai, H L Zhan, H Zhang, Y X Li, B D Wu
Objective: To explore the MRI features of the lateral collateral ligament injuries of the ankle and determine the value MRI in diagnosing the ligament injuries of the ankle. Methods: The study was reviewed and approved by an institutional review board of hospital. Retrospective analysised 10 healthy volunteers and 26 ankle injury cases underwent surgery since January 2013 to September 2016, the MR imaging findings of patients were compared with volunteers' and operative documents, to analysis the MRI feature of the ligament injuries of the ankle...
August 1, 2017: Zhonghua Yi Xue za Zhi [Chinese medical journal]
https://www.readbyqxmd.com/read/28729007/the-feasibility-of-point-of-care-ankle-ultrasound-examination-in-patients-with-recurrent-ankle-sprain-and-chronic-ankle-instability-comparison-with-magnetic-resonance-imaging
#19
Sun Hwa Lee, Seong Jong Yun
OBJECTIVE: To evaluate the feasibility of point-of-care ankle ultrasound compared with magnetic resonance imaging (MRI) for diagnosing major ligaments and Achilles tendon injuries in patients with recurrent ankle sprain and chronic instability, and to evaluate inter-observer reliability between an emergency physician and a musculoskeletal radiology fellow. MATERIAL AND METHODS: A prospective cross-sectional study was conducted in an emergency department. Patients with recurrent ankle sprain and chronic instability were recruited...
October 2017: Injury
https://www.readbyqxmd.com/read/28710509/x-shaped-inferior-extensor-retinaculum-and-its-doubtful-use-in-the-br%C3%A3-strom-gould-procedure
#20
M Dalmau-Pastor, F Malagelada, G M M J Kerkhoffs, M C Manzanares, J Vega
PURPOSE: The inferior extensor retinaculum (IER) is an aponeurotic structure located in the anterior aspect of the ankle. According to the literature, it can be used to reinforce a repair of the anterior talofibular ligament in ankle instability. Despite its usual description as an Y-shaped structure, it is still unclear which part of the retinaculum is used for this purpose, or if it is instead the crural fascia that is being used. The purpose of this study is to define the anatomical characteristics of the IER to better understand its role in the Broström-Gould procedure...
July 14, 2017: Knee Surgery, Sports Traumatology, Arthroscopy: Official Journal of the ESSKA
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