• Dajiang Song, Zan Li, Xiao Zhou, Zhenglin Chi, and Xin Zhou.
• Department of Oncology Plastic Surgery, Hunan Province Cancer Hospital, Changsha Hunan, 410008, P.R.China.
• Zhongguo Xiu Fu Chong Jian Wai Ke Za Zhi. 2017 Nov 15; 31 (11): 1363-1366.

ObjectiveTo investigate the clinical application of relaying lateral gastrocnemius artery perforator flap in reconstruction of the donor defect after distally sural flap transferring.MethodsBetween January 2014 and January 2016, 12 cases with foot and ankle defects were treated. There were 10 males and 2 females with an average age of 23.4 years (mean, 14-52 years). The injury was caused by motorcycle accident in 7 cases and traffic accident in 5 cases. The injury located at left limb in 7 cases and right limb in 5 cases. The size of soft tissue ranged from 10 cm×4 cm to 12 cm×6 cm. The disease duration was 2-84 hours (mean, 26.2 hours). The foot and ankle defects were reconstructed by distally sural flaps, then the flap donor sites were reconstructed with relaying lateral gastrocnemius artery perforator flap at the same stage. The size of distally sural flap ranged from 11 cm×5 cm to 13 cm×7 cm. The size of relaying flap ranged from 7 cm×4 cm to 10 cm×6 cm.ResultsAll flaps survived uneventfully. All recipient sites and donor sites healed smoothly. No vascular crisis, wound dehiscence, or evident swelling occurred. All patients were followed up 6-14 months (mean, 12.4 months) with satisfied esthetic and functional results in recipient and donor sites. There were only linear scar on the donor sites. The color and contour was satisfying, the function of calf and foot were not affected.ConclusionThe relaying lateral gastrocnemius artery perforator flap combined with distally sural flap is an idea choice to reconstruct foot and ankle defect, which can avoid donor site skin grafting, minimize donor site morbidity.

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