Anatomic Basis of Plantar Flap Design Clinical Applications

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Abstract
Closure of plantar defects with local rotation flaps were studied in 10 patients with 11 plantar defects. Ages ranged from 15 to 66 years, and the average defect was 3.0 .times. 3.6 cm. Two patients were diabetics. Etiology was variable and included trauma, tumors, and breakdown in patients with anesthetic plantar surfaces. Plantar flaps were designed superficial to the plantar fascia based on the proximal plantar subcutaneous plexus blood supply. Sensation was provided by including the medial calcaneal nerve territory within the flap and by performing a limited intraneural dissection of the medial and lateral plantar nerves. Flaps were medially based, although laterally based designs are also possible when sensation is absent. The follow-up period averaged 20.8 months. Patients with normal sensation preoperatively had full sensation postoperatively and were able to bear weight on the flap without limitation. There was minor breakdown in one patient with incomplete sensation. One patient developed a hematoma. Sensate plantar flaps can be designed superficial to the plantar fascia. These flaps are durable and allow normal weight-bearing on the reconstructed surface.

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