Abstract
Digital fillet flaps have a consistent vascular supply and provide durable soft-tissue coverage. Despite their readily available nature, their use in the foot remains limited. This systematic review was undertaken to determine the size defect that could be covered, the potential postoperative complications, and the durability of a digital fillet flap. Studies were eligible for inclusion if they involved use of the entire digit for soft-tissue coverage of defects of any etiology, reported complications, and had any length of follow-up time. A total of 9 studies met all the inclusion criteria, for a total of 34 patients with a combined mean age of 47.1 years and a combined mean follow-up time of 9.3 months. Complications consisted of continued infection and partial or total necrosis of the flap. Digital fillet flaps were able to cover defects up to a combined mean size of 15.6 cm2. Coverage was found to be best for forefoot ulcerations. The flaps had limited donor site morbidity and provided full coverage of exposed vital and osseous structures that was able to withstand forces applied during weight bearing, The procedure is simple and straightforward, reducing operating time and the need for more complex soft-tissue reconstructive procedures.
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