LIU Anming , ZHOU Xin , OU Changliang , HUANG Yu , HUANG Bo , LUO Xuchao , LI Jiayu , ZOU Yonggen
  • Department of Hand Surgery, Affiliated Traditional Chinese Medicine Hospital of Southwest Medical University, Luzhou Sichuan, 646000, P.R.China;
ZOU Yonggen, Email: 564715290@qq.com
Foot and ankle; soft tissue defect; superficial iliac circumflex arteries; abdominal free flap; wound repair
10.7507/1002-1892.202103023
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Objective To investigate the effectiveness of abdominal free flap carrying bilateral superficial circumflex iliac arteries for repairing large skin and soft tissue defects of foot and ankle.Methods Between June 2016 and June 2019, 15 patients with large skin and soft tissue defects of foot and ankle were admitted, including 10 males and 5 females with an average age of 30 years (range, 10-60 years). The causes of injury included 6 cases of traffic accident, 3 cases of machine strangulation, 3 cases of heavy object injury, 2 cases of fall, and 1 case of electric shock. The time from injury to admission was 3 hours to 10 days, with an average of 2 days. The wound located at dorsal foot in 5 cases, ankle in 6 cases, dorsal foot and ankle in 3 cases, and dorsal foot and sole in 1 case. All wounds were contaminated to varying degrees and accompanied by tendon and bone exposure, including 5 cases of extensive necrosis of the dorsal skin with infection. The area of defects ranged from 18 cm×6 cm to 25 cm×8 cm. There were 9 cases of foot and ankle fractures and dislocations, and 2 cases of foot and ankle bone defects. The wound was repaired with abdominal free flap carrying bilateral superficial circumflex iliac arteries. The area of the flaps ranged from 20 cm×8 cm to 27 cm×10 cm; the skin flaps were thinned under the microscope to make the thickness of 0.5-1.0 cm, with an average of 0.7 cm. All incisions at the donor site were sutured directly.Results During the operation, 1 case was replaced with an abdominal free flap carrying the superficial abdominal artery because the superficial iliac circumflex artery was thin and the superficial abdominal artery was thicker. The skin flaps of 15 cases survived smoothly, and the wounds healed by first intention; the donor incisions all healed by first intention. All patients were followed up 8-36 months, with an average of 15 months. The flap shape was satisfactory, with good texture and mild pigmentation of the flap edge, without obvious bloating, effect on shoe wear, or secondary surgical thinning of the flap. The linear scar left in the donor site and had no effect on hip joint movement. All fractures healed well, and the healing time ranged from 3 to 8 months, with an average of 6 months.Conclusion The abdominal free flap carrying bilateral superficial iliac circumflex arteries has concealed donor site, with little damage, and can be sutured in one stage. The blood vessel is anatomically constant, with less variation, and reliable blood supply. It is one of the ideal flaps for repairing large skin and soft tissue defects of foot and ankle.

Citation： LIU Anming, ZHOU Xin, OU Changliang, HUANG Yu, HUANG Bo, LUO Xuchao, LI Jiayu, ZOU Yonggen. Abdominal free flap carrying bilateral superficial circumflex iliac arteries for repairing large skin and soft tissue defects of foot and ankle. Chinese Journal of Reparative and Reconstructive Surgery, 2021, 35(7): 886-890. doi: 10.7507/1002-1892.202103023 Copy

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