• Claudio Canal, Alexander Kaserer, Laurent Sébastien Morax, Franziska Ziegenhain, Hans-Christoph Pape, and Valentin Neuhaus.
• Klinik für Traumatologie, Universitätsspital Zürich (USZ), Universität Zürich (UZH), Rämistrasse 100, 8091, Zurich, Switzerland. claudio.canal@usz.ch.
• Eur J Trauma Emerg Surg. 2023 Jun 1; 49 (3): 158715931587-1593.

PurposeThe impact of the type of anesthesia (regional vs. general anesthesia) on in-hospital complications in ankle fractures has not been thoroughly studied yet. Identifying factors that place patients at risk for complications following ankle fractures may help reduce their occurrence. The primary goal of this study was (1) to describe the cohort of patients and (2) to evaluate independent risk factors for complications during hospitalization.MethodsWe analyzed patients from 2005 to 2019 with an operatively treated isolated fracture of the medial or lateral malleolus using a prospective national quality measurement database. Patients were selected based on international classifications (ICD) and national procedural codes (CHOP). Uni- and multivariate analysis were applied.ResultsIn total, we analyzed 5262 patients who suffered a fracture of the malleolus; 3003 patients (57%) had regional and 2259 (43%) general anesthesia. Patients with regional anesthesia were significantly older (51 vs. 46 years), but healthier (23 vs. 28% comorbidities) than patients who received general anesthesia. The in-hospital complication rate was not significantly lower in regional anesthesia (2.2% vs 3.0%). The type of anesthesia was not an independent predictor for complications while controlling for confounders.ConclusionType of anesthesia was not an independent predictor of complications; however, higher ASA class, age over 70 years, fracture of the medial versus lateral malleolus, longer preoperative stay, and duration of surgery were significant predictors of complications. Patient and procedure characteristics, as well as changes in medical care and epidemiological changes along with patient requests, influenced the choice of the type of anesthesia.© 2023. The Author(s).

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