Abstract
Local treatment of Dupuytren’s contracture, either by collagenase or needle fasciotomy, allows disruption of the pathological cord during forced extension. The purpose of this study was to investigate the cord before and after both treatments by ultrasound. A total of 39 patients with a minimum of 20° contracture in the metacarpophalangeal joint were included and randomized to treatment with either collagenase (20 patients) or needle fasciotomy (19 patients). The distance between the distal and the proximal parts of the ruptured cord was measured by ultrasound and the difference in passive joint movement before and after treatment was measured with a goniomenter. There were no significant differences between the collagenase and needle fasciotomy groups in the size of the rupture or gain of mobility. Most cords treated with collagenase and subsequent forced extension had the same ultrasonographic appearance as cords disrupted mechanically by needle fasciotomy.
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