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PURPOSE: To determine the complication rate for ankle arthroscopy. METHODS: A review of a consecutive series of patients undergoing ankle arthroscopy in our hospital between 1987 and 2006 was undertaken. Anterior ankle arthroscopy was performed by means of a 2-portal dorsiflexion method with intermittent soft tissue distraction. Posterior ankle arthroscopy was performed by means of a two-portal hindfoot approach. Complications were registered in a prospective national registration system. Apart from this complication registry, patient records, outpatient charts and operative reports were reviewed. Patients with a complication were asked to visit our hospital for clinical examination and assessment of permanent damage and persisting complaints. RESULTS: An overall complication rate of 3.5% in 1,305 procedures was found. Neurological complications (1.9%) were related to portal placement. Age was a significant risk factor for the occurrence of complications. Most complications were transient and resolved within 6 months. Complications did not lead to functional limitations. Residual complaints did not influence daily activities. CONCLUSIONS: Our complication rate is less than half of what has been reported in literature (3.5 vs 10.3%). The use of the dorsiflexion method for anterior ankle arthroscopy can prevent a significant number of complications. Posterior ankle arthroscopy by means of a two-portal hindfoot approach is a safe procedure with a complication rate that compares favourably to that of anterior ankle arthroscopy. LEVEL OF EVIDENCE: Retrospective prognostic study, Level II.
Zengerink et al. (Tue,) studied this question.