Ma Wenguo, Wang Chengde, Wang Ai, et al. Effect of free medial plantar perforator flap in repairing deep burn wound on palm with the assistance of three dimensional computed tomography angiography[J]. Chin j Burns, 2020, 36(4): 323-326. Doi: 10.3760/cma.j.cn501120-20190308-00091
Citation: Ma Wenguo, Wang Chengde, Wang Ai, et al. Effect of free medial plantar perforator flap in repairing deep burn wound on palm with the assistance of three dimensional computed tomography angiography[J]. Chin j Burns, 2020, 36(4): 323-326. Doi: 10.3760/cma.j.cn501120-20190308-00091

Effect of free medial plantar perforator flap in repairing deep burn wound on palm with the assistance of three dimensional computed tomography angiography

doi: 10.3760/cma.j.cn501120-20190308-00091
  • Received Date: 2019-03-08
    Available Online: 2021-10-28
  • Publish Date: 2020-04-20
  • Objective To explore the effect of free medial plantar perforator flap in repairing deep burn wound on palm with assistance of three dimensional computed tomography angiography (CTA). Methods From March 2015 to January 2018, 11 patients with deep burn wounds of palm were admitted to the Department of Burns and Plastic Surgery of Yidu Central Hospital of Weifang City, including 6 males and 5 females, aged 19-53 years. The wound area after debridement was 3.0 cm×2.5 cm-8.0 cm×6.0 cm. Before the operation, CTA of the foot was performed, and the three dimensional digital model was reconstructed by computer software to observe the initial position, course, and distribution of the arteries and veins in the donor site. The medial plantar perforator flap was designed according to the area and shape of the wound, with area of 3.5 cm×3.0 cm-8.5 cm×6.5 cm. After the wound was covered by the flap, the perforating branch of the medial plantar artery was anastomosed end to end with the carpal epithelial branch of the ulnar artery, the accompanying vein or the branch of the great saphenous vein was anastomosed end to end with the accompanying vein of the carpal epithelial branch of the ulnar artery, and the terminal branch of the saphenous nerve or the medial dorsal cutaneous nerve was anastomosed end to end with the superficial palmar branch of the ulnar nerve. The wound of donor site was covered with full-thickness skin graft from the outer thigh of the same side. The perforators of the medial plantar artery observed during the operation were compared with the reconstructed three dimensional CTA images. The survival of flap was observed, and the appearance and function of the flap were followed up and evaluated with trial standard for the evaluation of the functions of the upper limbs of the Hand Surgery Society of the Chinese Medical Association. Results The initial position, course, and distribution of the perforator of the medial plantar artery during the operation were basically the same as those of the reconstructed three dimensional CTA images before the operation. All the flaps of patients survived after the operation. During the 6 months to 1 year follow-up, the appearance of flap was good, with no obvious swelling or pigmentation, but with good elasticity. The discrimination distance between the two points was 5.0-8.0 mm, and the flaps were evaluated as excellent in 4 cases, good in 6 cases, and fair in 1 case. Conclusions The free medial plantar perforator flap is an ideal choice for repair of the deep burn wound on palm. Three dimensional CTA before the operation can detect condition of vascular variation, with high accuracy of vascular anastomosis during operation.

     

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