Clinical effects of nerve-carrying peroneal artery perforator flaps in repairing nerve defects in the late stage of wrist electric burns

Zhou Jian; Zheng Yucen; Chen Wei; Chang Shusen; Wei Zairong; Nie Kaiyu; Zhang Fang

doi:10.3760/cma.j.cn501225-20240520-00187

Volume 40 Issue 9

Sep. 2024

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Article Navigation > CHINESE JOURNAL OF BURNS AND WOUNDS > 2024 > 40(9): 835-841

Peng Yuan, Lu Yifei, Deng Jun, et al. Effects and mechanism of copper oxide nanozymes on wound healing of full-thickness skin defects in diabetic mice[J]. Chin j Burns, 2020, 36(12): 1139-1148. Doi: 10.3760/cma.j.cn501120-20200929-00426

Citation:

Zhou J,Zheng YC,Chen W,et al.Clinical effects of nerve-carrying peroneal artery perforator flaps in repairing nerve defects in the late stage of wrist electric burns[J].Chin J Burns Wounds,2024,40(9):835-841.DOI: 10.3760/cma.j.cn501225-20240520-00187.

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Clinical effects of nerve-carrying peroneal artery perforator flaps in repairing nerve defects in the late stage of wrist electric burns

doi: 10.3760/cma.j.cn501225-20240520-00187

Department of Burns and Plastic Surgery, Affiliated Hospital of Zunyi Medical University, Zunyi 563003, China

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Regional Science Fund Project of National Natural Science Foundation of China 82360445

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Corresponding author: Wei Zairong, Email: zairongwei@163.com
Received Date: 2024-05-20

Abstract

Abstract

Objective To explore the clinical effects of nerve-carrying peroneal artery perforator flaps in repairing nerve defects in the late stage of wrist electric burns. Methods This study was a retrospective observational study. From December 2019 to May 2023, five patients with sensory dysfunction in hands due to nerve defects in the late stage of wrist electric burns were treated in the Affiliated Hospital of Zunyi Medical University and met the inclusion criteria. There were 4 males and 1 female, aged 7 to 48 years. Four patients had defects in both median nerve and ulnar nerve, one patient had a defect solely in median nerve, and the length of nerve defects ranged from 5 to 12 cm. Four patients underwent transplantation of peroneal artery perforator flaps carrying sural nerve and superficial peroneal nerve, and 1 patient underwent transplantation of peroneal artery perforator flap only carrying sural nerve. The wounds in flap donor sites were all directly sutured. One patient had tendon adhesion and release of tendon adhesion was performed during the same surgery; 3 patients had combined defects in the wrist flexor muscle group, including 2 patients received autologous tendon grafting during the same surgery, and one patient received reconstruction of finger flexion function with a gracilis myocutaneous flap in the second stage; 1 patient had combined wrist flexion contracture which was surgically released in the second stage. During follow-up after surgery, the survival of the flaps was observed, and the healing time of the incisions or sutures in flap donor and recipient sites and the recovery time of hand sensation were recorded. At the last follow-up, the scar formation and loss of sensation in the foot were observed, and flexor strength and sensory function of the fingers were evaluated based on the evaluation criteria for tendon and nerve repair standards of hands in the trial standards for evaluation of partial function of the upper extremity by the Hand Surgery Society of Chinese Medical Association. Results All patients were followed up after surgery for 12 to 24 months, and all flaps of patients survived. The healing time for the incisions or sutures in flap donor and recipient sites was about 2 weeks, and the hand sensation recovered in 6 months after surgery. At the last follow-up, linear scar was left in the donor site on the lower leg; patients had partial sensory impairment on the dorsum of the foot, but there was no skin ulceration, which did not affect wearing shoes or walking; finger flexor strength was rated as grade 4 in 1 patient, grade 3 in 3 patients, and grade 2 in 1 patient; the sensory function of hands was evaluated as S3⁺ level in 4 patients, with the two-point discrimination distance of the skin ranging from 8 to 11 mm, while the sensory function of hands was evaluated as S3 level in 1 patient, with the two-point discrimination distance of the skin of 13 mm. Conclusions Using the nerve-carrying peroneal artery perforator flaps to repair the nerve defects in the late stage of wrist electric burns, the sensation of hands can be restored in 6 months after surgery, with only linear scar in the flap donor sites and hypoesthesia in some areas of the dorsum of the foot. When combined with the reconstruction of finger flexion function, the overall function of hands can be effectively improved.
- Burns, electric,
- Wrist,
- Perforator flap,
- Sural nerve,
- Superficial peroneal nerve,
- Nerve defects,
- Functional reconstruction

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References(30)

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