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Creating Two Independent Fasciocutaneous Free Flaps From a Single Radial Forearm Donor Site

The authors describe the creation of two independent fasciocutaneous free flap units from a single radial forearm donor site. After the radial forearm flap is elevated in the standard manner, based on the entire length of the radial artery, the individual flap units are developed as island flaps based on the proximal and the distal radial artery respectively by transecting the radial artery, its accompanying veins, and the cephalic vein. Thus, two independent radial forearm free flaps are created from a single donor site: The proximal one has antegrade flow and the distal one has retrograde flow. The individual free flap units were transferred, and microvascular anastomoses were performed simultaneously by two surgical teams. This technique was used in 2 patients presenting with bilateral foot defects that required reconstruction with a thin, reliable flap such as the radial forearm flap.