Twenty-five patients underwent soft-tissue reconstruction of the different anatomic regions of the foot and ankle using the microvascular radial forearm free flap. The patients, 19 men and 6 women, ranged in age from 3 to 80 years (mean, 48.4 years). Indications for the surgery included diabetes and/or vascular insufficiency (10 patients), trauma (9 patients), tumor (3 patients), gunshot wound (2 patients), and burn (1 patient). Osteomyelitis occurred in patients with traumatic (3 patients) and diabetic (3 patients) wounds. The weight-bearing surface of the foot was involved in eight patients. Defects ranged in size from 45 to 210 cm2 (mean, 100.4 cm2). The radial forearm flap was successful in 23 of 25 cases (92 percent). Flap complications included flap loss (two patients), infection (three patients), and minor wound dehiscence at the flap-leg skin interface (two patients). Recurrent ulceration occurred in two patients; both were diabetics with weight-bearing flaps. Donor site complications included partial skin graft loss with tendon exposure in two patients; both healed with conservative management. Recurrent or persistent osteomyelitis was not seen in any of the patients. Of the eight patients with weight-bearing flaps, four were ambulatory, one had limited ambulation, one was nonambulatory, one had too short a follow-up, and one suffered flap loss. Two patients required modified shoes. Debulking was performed in one patient. Follow-up ranged from 2 to 72 months (mean, 24.9 months). The radial forearm flap meets most of the anatomic prerequisites for the ideal foot flap. It facilitates the restoration of normal foot contour by replacing "like-with-like," allowing patients to use normal shoes without the need for debulking (except in one patient); it provides a durable and stable weight-bearing plantar surface during ambulation; it achieves excellent aesthetic results without the dryness or cracking of the hypertrophied skin-grafted muscle; and it permits sensory reinnervation. We have found it especially useful for resurfacing the dorsum, ankle, and forefoot, moderate-sized defects, weight-bearing surfaces, and osteomyelitic wounds.

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It is important to be aware of the rare but potentially lethal complications of omphalitis. Prompt recognition of serious sequelae is crucial for survival.