Coverage of the dorsal surface of a digit based on a pedicled free-style perforator flap concept

Journal of Plastic, Reconstructive & Aesthetic Surgery : JPRAS
Satoshi UsamiYuichi Hirase

Abstract

Reconstruction of the finger and thumb dorsum has been considered difficult because of the need for a thin and flexible flap, and the surrounding tissue is sometimes insufficient for a local flap. The purpose of this report is to describe our concept for finger and thumb dorsum reconstruction with free-style perforator flaps and our clinical experience with transfer of various perforator flaps. Thirty-two finger dorsum defects in 32 patients were covered with pedicled free-style perforator flaps. The perforator origin was a digital artery perforator in 22 cases and a dorsal metacarpal artery perforator in 10 cases. The flap style was advancement type in 11 cases, rotation in 2, propeller in 14, and adipofascial in 5. The mean size of the digital artery perforator flap was 3.4 cm2 and that of the dorsal metacarpal artery perforator flap was 7.9 cm2. All flaps, except for two propeller flaps with 180 degrees rotation, survived completely. These flaps were of elongated style, and the length-to-width ratios were approximately 3:1 and 3.5:1, respectively. There are multiple perforators in the finger and thumb dorsum region from the proper digital artery, which are suitable for pedicled free-style perforator flaps. These perforators ...Continue Reading

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