Volume 39 Issue 10
Oct.  2023
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Ji P,Cao T,Zhang Z,et al.Effects of the anterolateral thigh chimeric perforator flaps in repairing complex wounds of foot and ankle[J].Chin J Burns Wounds,2023,39(10):926-932.DOI: 10.3760/cma.j.cn501225-20230627-00232.
Citation: Ji P,Cao T,Zhang Z,et al.Effects of the anterolateral thigh chimeric perforator flaps in repairing complex wounds of foot and ankle[J].Chin J Burns Wounds,2023,39(10):926-932.DOI: 10.3760/cma.j.cn501225-20230627-00232.

Effects of the anterolateral thigh chimeric perforator flaps in repairing complex wounds of foot and ankle

doi: 10.3760/cma.j.cn501225-20230627-00232
Funds:

General Program of National Natural Science Foundation of China 82272269

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  •   Objective   To investigate the effects of anterolateral thigh chimeric perforator flap in repairing complex wounds of foot and ankle.   Methods   A retrospective observational study was conducted. From May 2018 to June 2022, 23 patients who met the inclusion criteria were admitted to the First Affiliated Hospital of Air Force Medical University to repair complex wounds of foot and ankle with anterolateral thigh chimeric perforator flaps, including 15 males and 8 females, aged from 20 to 66 years. The wounds were all accompanied by bone exposure and defects, and were complicated with varying degrees of infection. All patients underwent debridement and continuous vacuum sealing drainage treatment for 1 week in stage Ⅰ, with the skin and soft tissue defect area after debridement being 10 cm×5 cm to 22 cm×7 cm. In stage Ⅱ, the anterolateral thigh chimeric perforator flap was used to cover the defective wound, of which the muscle flap was used to fill the deep invalid cavity of the ankle joint or cover bone and internal fixation exposures, and the skin flap was used to cover the superficial wound, with the area of the skin flap ranging from 11 cm×6 cm to 23 cm×8 cm, and the area of the muscle flap ranging from 4.0 cm×2.5 cm to 8.0 cm×5.0 cm. The survival of the flap was observed after operation. During follow-up, the color, texture, appearance, and complications of the flap were observed, the function of ankle joint and its range of dorsiflexion motion and plantar flexion motion were measured, and the scar hyperplasia and muscular hernia in donor area were observed.   Results   Ecchymosis and epidermal necrosis occurred at the tip of the flap in 1 patient on 5 days after operation and healed after dressing change for 1 week; the other flaps of patients survived successfully. After 6 to 40 months of follow-up, the color, texture, and shape of flaps were good, but 1 patient was not satisfied with the shape of the flap because of flap swelling; the ankle joint movement was basically normal, the dorsiflexion motion was 15-30°, and the plantar flexion motion was 20-45°; the scar hyperplasia in the donor area of the flap was not obvious, and no muscular hernia occurred.   Conclusions   The anterolateral thigh chimeric perforator flap can effectively fill the deep invalid cavity of ankle joint and cover the superficial wound at the same time, with minimal damage to the donor site. So it is an ideal flap for repairing the complex wounds of foot and ankle.

     

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