Isolated syndesmosis injuries often go unrecognized and are diagnosed as lateral ankle sprains; however, they are more disabling than lateral ankle sprains. The reported incidence of isolated syndesmosis injuries in acute ankle sprains ranges between 1% and 16%. When ankle disability lasts for more than 2 months after an ankle sprain, the incidence increases to 23.6%. Diagnostic workup may include stress radiographs, magnetic resonance imaging, or diagnostic arthroscopy. A simple stress test radiograph may reveal an unstable grade III syndesmosis sprain that may go unrecognized on plain anteroposterior and mortise or lateral radiographs of the ankle. The duration of symptoms in isolated syndesmosis injury is longer and more severe, often leading to chronic symptoms or ankle instability requiring operative stabilization.This article describes the clinical presentation, injury classification, and operative stabilization techniques of isolated syndesmosis injuries. The authors performed their preferred operative stabilization technique for isolated syndesmosis injury-arthroscopic debridement of the ankle with syndesmotic stabilization with a syndesmotic screw-in 4 patients. All patients were evaluated 1 year postoperatively with subjective and objective assessment scales. Three of 4 patients showed good improvement of general subjective ankle symptoms and subjective ankle instability rating and a high Sports Ankle Rating System score after 1 year.
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http://dx.doi.org/10.3928/01477447-20121120-13 | DOI Listing |
J Bone Joint Surg Am
December 2024
Department of Orthopedics and Rehabilitation, University of Iowa, Iowa City, Iowa.
Background: The diagnosis of syndesmotic instability is challenging, and chronically unstable injuries can potentially lead to ankle arthritic degeneration. The objective of this cadaveric study was to utilize a 3-dimensional (3D) weight-bearing computed tomography (WBCT) distance mapping algorithm for the detection of subtle syndesmotic instability, induced by complete syndesmotic ligament sectioning and stressed by isolated axial load. We hypothesized that this algorithm would accurately detect subtle syndesmotic instability.
View Article and Find Full Text PDFJ Orthop Surg Res
November 2024
Department of Orthopedics, Trauma and Plastic Surgery, University of Leipzig, Leipzig, Germany.
Background: The aim of this study was to identify the most responsive foot position for detection of isolated unstable syndesmotic injury.
Methods: Fourteen paired human cadaveric lower legs were positioned in a pressure-controlled radiolucent frame and loaded under 700 N. Computed tomography scans were performed in neutral position, 15° internal / external rotation, and 20° dorsal / plantar flexion of the foot before and after cutting all syndesmotic ligaments.
J Orthop Surg Res
October 2024
Department of Orthopaedics, Qidong Hospital of Traditional Chinese Medicine, Nantong, Jiangsu, 226200, China.
BMC Musculoskelet Disord
October 2024
Department of Orthopedics and Traumatology, Sohag Faculty of medicine, Sohag University, Sohag, Egypt.
Foot Ankle Int
November 2024
Department of Radiology, University Hospital, LMU Munich, Munich, Germany.
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