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find Author "LIU Xingming" 1 results
  • Application of groin flap combined with medial plantar artery perforator flap for degree Ⅲ-Ⅳ defects of multiple fingers

    Objective To investigate the effectiveness of groin flap combined with medial plantar artery perforator flap (MPAP) for degree Ⅲ-Ⅳ defects of multiple fingers. Methods Between January 2018 and June 2019, 12 patients with degree Ⅲ-Ⅳ defects of multiple fingers caused by crushing were admitted. There were 9 males and 3 females with a median age of 29 years (range, 16-42 years). The mean interval between the injury and admission was 3 hours (range, 1-9 hours). The injured fingers of 7 cases were index and middle fingers, 4 cases were middle and ring fingers, and 1 case was index, middle, and ring fingers. All fingers were taken thorough debridement and covered by the vacuum sealing drainage device during the emergency operation. The mean interval between the debridement and flap repairing was 18 hours (range, 12-36 hours). During the first-stage operation, the iliac bone graft was used to reconstruct bone frame, and the proximal interphalangeal (PIP) joint from the foot was transferred as the digital PIP joint, then the thin groin flap and MPAP were tailored to cover the dorsal and palmar defects, respectively. The size of the groin flap was 7.0 cm×4.5 cm-14.0 cm×9.0 cm, and the size of the MPAP was 8.0 cm×4.5 cm-14.0 cm×6.5 cm. The abdominal donor site was directly sutured, and the foot was repaired with full-thickness skin grafting. The flaps were separated into the finger shape at the second-stage. Results All the flaps survived, and the wounds healed by first intention; the incisions in the donor site healed by first intention, and the skin grafts survived completely. All patients were followed up 12-18 months (mean, 16 months). At last follow-up, the injured finger was similar to the contralateral one in terms of texture, appearance, and color. The mean two-point discrimination was 8 mm (range, 6-10 mm), and the sensate level recovered to the S3-S4. According to the Michigan Hand Outcomes Questionnaire (MHQ), the reconstructed hand function was excellent in 8 cases and good in 4 cases. There was no complication in the donor sites. Conclusion The degree Ⅲ-Ⅳ defects of multiple fingers were repaired by the groin flap and MPAP, and the reconstructed fingers can perform good texture and motion with being sensate, with less sacrifice on the foot.

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