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Volume 39 Issue 6
Jun.  2023
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Article Navigation >  CHINESE JOURNAL OF BURNS AND WOUNDS  > 2023  >  39(6): 540-545
Huang Y,Huang B,Liu AM,et al.Curative effects of bi-pedicled deep inferior epigastric perforator flap in repairing large soft tissue defects in the lower limbs[J].Chin J Burns Wounds,2023,39(6):540-545.DOI: 10.3760/cma.j.cn501225-20220831-00373.
Citation: Huang Y,Huang B,Liu AM,et al.Curative effects of bi-pedicled deep inferior epigastric perforator flap in repairing large soft tissue defects in the lower limbs[J].Chin J Burns Wounds,2023,39(6):540-545.DOI: 10.3760/cma.j.cn501225-20220831-00373.
shu

Curative effects of bi-pedicled deep inferior epigastric perforator flap in repairing large soft tissue defects in the lower limbs

doi: 10.3760/cma.j.cn501225-20220831-00373
  • 1.

    Department of Hand Surgery, the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou 646000, China

  • 2.

    Department of Plastic and Cosmetic Surgery, the Second Affiliated Hospital of Army Medical University (the Third Military Medical University), Chongqing 400037, China

  • 3.

    Department of Orthopedics, the People's Hospital of Guizhou Province, Guiyang 550000, China

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    Abstract
  •   Objective   To investigate the curative effects of bi-pedicled deep inferior epigastric perforator (DIEP) flap in repairing large soft tissue defects in the lower limbs.   Methods   A retrospective observational study was conducted. From February 2016 to June 2020, 16 patients with large soft tissue defects in the lower limbs caused by trauma or after tumor/scar resection were admitted to the Department of Hand Surgery of the Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, including 9 males and 7 females, aged 25-58 years, with the area of soft tissue defects ranging from 14.0 cm×8.0 cm to 32.0 cm×18.0 cm. Using the abdomen as the donor site, the conjoined abdominal wall flap, i.e., the bi-pedicled DIEP flap (with an area ranging from 15.0 cm×9.0 cm to 32.0 cm×20.0 cm) carrying two sets of the trunk of the deep inferior epigastric artery was designed and resected to repair the wound. The donor site wound was sutured directly. The flap survival and wound healing in the donor and recipient areas were observed after operation. The curative effect was evaluated during the follow-up. At the last follow-up, the American Knee Society score and lower extremity functional scale were used to assess the functions of knee joint and lower limb, respectively.   Results   The flaps of 15 patients survived after operation; the flap of one patient had partial infection at the edge after operation but healed after debridement and dressing change. The wounds in the donor and recipient areas of 16 patients all healed well. Follow-up of 16-28 months showed that the recipient area had a good shape and pliable texture, and there was no obvious swollen appearance, hyperpigmentation, or abnormal hair growth; the donor site had linear scar only, with no complications such as abdominal hernia or hyperplastic scar; the functions of knee joint and lower limb were well reconstructed, with no recurrence of tumor. At the last follow-up, among the 4 patients with knee joint injury, 3 cases were excellent and 1 case was good in the evaluation of knee joint function; among the 12 patients with lower limb injury, 9 cases were excellent and 3 cases were good in the evaluation of lower limb function.   Conclusions   The donor site of bi-pedicled DIEP flap is concealed with abundant tissue and large area for resection, with which can be used to repair large soft tissue defects in the lower limbs, achieving good short-term results of appearance and function restoration.

     

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