Abstract
The purpose of this study was to compare retrospectively the results of a single-stage dorsal approach versus the posterior approach for the surgical treatment of congenital vertical talus (CVT) at a single institution. Twenty-four patients (33 feet) with CVT were treated surgically between 1960 and 1998. Eighteen patients (25 feet) underwent a posterior release (group 1), and six patients (eight feet) underwent surgery via the dorsal approach (group 2). All patients were evaluated at a minimal follow-up of 3 years. Preoperative and follow-up radiographs were evaluated, and a modified version of the clinical score by Adalaar was used. Group 1 had 45 procedures on 25 feet, whereas group 2 had no repeated or revision operations. The clinical score was 6.75 for group 1 and 8.0 for group 2. Tourniquet time was 123 minutes and 87 minutes for groups 1 and 2, respectively. Twelve group 1 patients (48%) had avascular necrosis (AVN) versus none of the group 2 patients. Both groups had similar preoperative and postoperative radiographic measurements. Both approaches were able to reduce successfully the talonavicular joint; however, the single-stage dorsal incision group required significantly less operative time, had better clinical scores, and had fewer complications 3 years after surgery.
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