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Volume 39 Issue 11
Nov.  2023
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Article Navigation >  CHINESE JOURNAL OF BURNS AND WOUNDS  > 2023  >  39(11): 1030-1037
Xu JH,Zhang W,Zhou JX,et al.Clinical effects of free transplantation of inguinal flap in repairing electrical burn wounds of mice in the limbs[J].Chin J Burns Wounds,2023,39(11):1030-1037.DOI: 10.3760/cma.j.cn501225-20230804-00039.
Citation: Xu JH,Zhang W,Zhou JX,et al.Clinical effects of free transplantation of inguinal flap in repairing electrical burn wounds of mice in the limbs[J].Chin J Burns Wounds,2023,39(11):1030-1037.DOI: 10.3760/cma.j.cn501225-20230804-00039.
shu

Clinical effects of free transplantation of inguinal flap in repairing electrical burn wounds of mice in the limbs

doi: 10.3760/cma.j.cn501225-20230804-00039

  • Department of Burns, Tongren Hospital of Wuhan University ＆ Wuhan Third Hospital, Wuhan 430060, China

Funds:

Clinical Medical Research Project of Wuhan WX20Q18

Knowledge Innovation Program of Wuhan-Shugung Project 2022020801020553

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  • Corresponding author: Zhang Wei, Email: zhw010@163.com
  • Received Date: 2023-08-04
    Abstract
  •   Objective   To investigate the clinical effects of free transplantation of inguinal flap in repairing electrical burn wounds of mice in the limbs.   Methods   A retrospective observational study was conducted. From January 2012 to May 2023, 24 male patients with electrical burns in the limbs meeting the inclusion criteria, aged 20 to 69 years, were admitted to the Department of Burns of Tongren Hospital of Wuhan University ＆ Wuhan Third Hospital. Totally 27 limbs were involved, including 18 upper limbs and 9 lower limbs. After debridement, the wound area in the limbs proposed to be repaired with the inguinal flap was 5.0 cm×1.5 cm-20.0 cm×9.0 cm. A total of 26 operations were performed in 24 patients, and 27 free inguinal flaps with area being 5.0 cm×3.5 cm-22.0 cm×12.0 cm were resected, including 6 for lobed transplantation, 2 for chimeric transplantation with iliac bone graft, 3 for conjoined transplantation with pedicled latissimus dorsi myocutaneous flap, and 1 for conjoined transplantation with free paraumbilical perforator flap. Indocyanine green angiography was used to evaluate the blood supply of the inguinal flap during operation, to guide arterial supercharge during transplantation. Among the transplanted inguinal flaps, 5 were pedicled with the common trunk of the superficial circumflex iliac artery and the superficial abdominal wall artery, 13 were pedicled with the superficial circumflex iliac artery alone, 6 were pedicled with the superficial abdominal wall artery alone, and the remaining 3 were simultaneously anastomosed with the superficial circumflex iliac artery and the superficial abdominal wall artery for arterial supercharge. In another patient, the deep branch of the superficial circumflex iliac artery was used as a bridging vessel to recanalize the proper artery of the index finger in the distal segment. The wound in the donor area were sutured directly. The blood supply status of the inguinal flap immediately after resection but before cutting off blood vessels and after transplantation and vascular anastomosis was recorded. The survival of the tissue flap, the fixation of the iliac bone graft, and the healing of secondary defect in the donor area were observed after surgery. The appearance of the inguinal flap and the functional recovery of the recipient area were followed up. At the last follow-up, the function of the affected upper limb was scored using the Arm, Shoulder, and Hand Disability (DASH) scoring scale, and the satisfaction of patients with the efficacy of each surgical treatment was investigated by referring to the 5-level Likert scale.   Results   Totally 27 inguinal flaps showed good arterial blood perfusion and venous return immediately after resection but before cutting off blood vessels and after transplantation and vascular anastomosis. Except for one inguinal flap that developed necrosis 12 days after operation and was repaired by split-thickness skin graft from the head, the remaining 26 inguinal flaps and conjointly transplanted tissue flaps survived completely without vascular crisis. The iliac bone graft was fixed securely after operation. All secondary defects in donor area healed well after operation. After 6 to 36 months of follow-up, the inguinal flap was soft in texture, without obvious swelling, the function of the recipient area was significantly improved as compared with that before surgery, and the protective feeling of the inguinal flap was restored. At the last follow-up, the functional scores of DASH scoring scale of the 18 affected upper limbs ranged from 0 to 100 (with a mean of 27). The patients were very satisfied with the efficacy of 17 surgical treatments and relatively satisfied with the efficacy of 9 surgical treatments.   Conclusions   The donor area of the inguinal flap is concealed, and the damage resulted from flap resection in this area is small. This flap has a rich blood supply. In the electrical burn wounds of mice in the limbs repaired with lobed transplantation, chimeric transplantation, and conjoined transplantation with other flaps, the appearance and function of the recipient area are well restored, and the patients' satisfaction with the efficacy of surgical treatment is high, which is worthy of clinical promotion.

     

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