Outcomes of Talar Neck Fractures: A Systematic Review and Meta-analysis.

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Abstract

[Indexed for MEDLINE] 2. Clin Orthop Surg. 2024 Jun;16(3):470-476. doi: 10.4055/cios23391. Epub 2024 May 2. Midterm Outcomes after Operative Management of Hawkins Type III Talar Neck Fractures. Lee JY(1), Ryu JH(1), Kook JM(1), Oh JS(1). Author information: (1)Department of Orthopaedic Surgery, Chosun University Hospital, Chosun University College of Medicine, Gwangju, Korea. BACKGROUND: This study aims to report the midterm outcomes after surgical treatment of Hawkins Classification III Talar neck fractures. METHODS: From March 2010 to April 2022, among a total of 155 patients who visited our hospital with talus fractures, 31 patients underwent surgical treatment for Hawkins classification III talar neck fractures. The inclusion criteria comprised patients with a symptom duration of over 1 year who were available for outpatient follow-up and underwent magnetic resonance imaging (MRI) follow-up 2 months after surgery. Exclusion criteria included patients without preoperative ankle periarticular arthritis, and a total of 27 patients were enrolled. Traffic accidents and falls accounted for 86% of 23 cases, open fractures were 8 cases, and the mean follow-up period was 34.10 months (range, 12-80 months). Clinical outcomes were measured by American Orthopaedic Foot and Ankle Society (AOFAS) score and Foot function index (FFI), and radiological results were obtained using simple radiographs before and after surgery and MRI at 2 months postoperatively to confirm bone union and complications. RESULTS: Complete bone union was achieved in all cases, and the mean duration of union was 4.9 months (range, 4-6 months) and there were no nonunion and varus malunion. At the final follow-up, the mean AOFAS score was 80.18 points (range, 36-90 points) and the mean FFI score was 31.43 points (range, 10-68 points), showing relatively good clinical outcomes. There were 15 cases of avascular necrosis, 6 cases of traumatic arthritis of the ankle joint, 6 cases of irritation of the posterior tibial nerve, and 4 cases of wound problems. CONCLUSIONS: Hawkins classification III talar neck fractures are mostly caused by high-energy injuries and have a relatively poor prognosis due to the high incidence of complications such as avascular necrosis or posttraumatic arthritis. However, if correct anatomical reduction and rigid internal fixation are performed within a short time after the injury, good results can be expected. Copyright © 2024 by The Korean Orthopaedic Association. DOI: 10.4055/cios23391 PMCID: PMC11130635