Objectives To investigate the clinical effect of the extended perforator flaps in anterolateral wall abdominal in repairing large tissue defects of lower limbs. Methods From January 2017 to December 2020, 13 patients with large skin and soft tissue defects of lower limbs were repaired with the extended perforator flaps in anterolateral wall abdominal. The defect area of the wound was 5.0 cm× 8.0 cm~17.0 cm×20.0 cm, and the cut area of the flap was 6.0 cm×9.0 cm-18.0 cm×21.0 cm. The donor area of the skin flap was sutured directly. The wound closure, flap survival and donor site healing were observed after operation. The appearance, texture of the flap and the affected limb function were followed up regularly. Results In this group, 12 cases of flaps survived successfully. The color of flaps was close to the surrounding normal skin, and the appearance of flaps was basically satisfactory. One case of venous crisis occurred after inferior epigastric artery perforator flap surgery, and survived after exploratory surgery with the necrosis in the distal part of the flap, which healed after dressing. The other flaps healed well and the color of the flaps was normal. Both recipient site and donor site healed in primary union. Among this group, 8 patients had good limb function, and 5 patients had joint dysfunction due to long-term immobilization and restrict by the flaps. Conclusions The extended perforator flaps in anterolateral wall abdominal has the advantages of stable blood supply, concealed location and large amount of skin and tissue in the donor area, it is reliable in repairing large tissue defects of lower extremities.
Key words
Anterolateral abdominal wall /
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Perforator flap /
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Lower limb /
Tissue defect /
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Wound repair
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