• Lin Tang, Xin Zhou, and Yonggen Zou.
• Department of Orthopedic Hand Surgery, The Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, No.16 Chunhui Avenue, Longma Tan District, Luzhou, Sichuan 646,000, China.
• Injury. 2022 Aug 1; 53 (8): 2893-2897.

BackgroundExtensive soft-tissue defects around the ankle and foot pose a difficult challenge to surgeons. Considering that natural contour, the ideal solution should match a thin and pliable skin flap to allow shoe fitting and provide a functional move. As the conjoined flaps were increasingly utilized in covering various defects, we present our experience using the bipedicle conjoined flap on the lower abdomen and groin site.MethodsFrom May 2018 to September 2020, 36 patients (27 male and 9 female) with a mean age of 32 years (ranged, 21-54 years) underwent the one-stage coverage of ankle and foot defects with the bipedicle conjoined flap. A suitable "Y" bifurcation was dissected to enlarge vessel size or participated in intra-flap anastomosis. The mean dimension of the defect was 30 × 12 cm2 (ranged, 20 × 8 cm2 to 38 × 16 cm2). Primary donor-site closure was accomplished in all patients.ResultsThirty-six flaps survived completely without significant complications, and mild venous congestion was observed in one flap. The average flap size was 35 × 15 cm2 (ranged, 22 × 10 cm2 to 42 × 18 cm2). All flaps were available for a mean follow-up of 18 months (ranged, 12 to 24 months). Natural shape and walking function were successfully achieved with restored protective sensation.ConclusionsBipedicle conjoined flap harvested from the lower abdomen and groin is a great alternative, in selected patients seeking one-stage coverage for the exposed ankle and foot. Compared to single-pedicle flaps, the increased skin allows the wider coverage for the large defect with less morbidity and better outcomes.Copyright © 2022. Published by Elsevier Ltd.

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