Clinical application of radial artery perforator flap for repair of hand skin defects

S. Zhong, Pei Li, Li Ling, Qinghong Wang, Chun-bin Yu, Deqing Zeng
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Abstract

目的 探讨桡动脉穿支皮瓣修复手部皮肤缺损的临床治疗效果。 方法 自2014年5月至2018年12月,我们对13例手部皮肤缺损患者采用桡动脉穿支皮瓣修复,其中应用保留桡神经浅支的桡动脉穿支血管蒂皮瓣3例,游离桡动脉鼻烟窝终末穿支皮瓣5例,游离桡动脉前臂中远端穿支皮瓣5例。 结果 术后13例皮瓣全部存活,其中1例保留桡神经浅支的桡动脉穿支血管蒂皮瓣远端静脉回流障碍,表皮脱落后存活;1例桡动脉中远端游离皮瓣出现远端部分坏死,考虑伤口感染引起,经换药后皮瓣存活。其中12例皮瓣获得随访,时间为3~12个月,平均8个月,皮瓣外形不臃肿,质地平软,按中华医学会手外科学会上肢部分功能评定试用标准评定:优12例,良1例。 结论 保留桡神经浅支的桡动脉穿支血管蒂皮瓣血运丰富,操作简单,旋转点灵活,外形不臃肿;游离桡动脉鼻烟窝终末穿支皮瓣、游离桡动脉前臂中远端穿支皮瓣切取方便,不牺牲主要血管,供区损伤小,解剖恒定,术后手及手指的外形、感觉、运动功能恢复良好,供区直接缝合,是修复手部皮肤软组织缺损的可行方法之一。
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桡动脉穿支皮瓣修复手部皮肤缺损的临床应用
Objective To explore the clinical treatment effect of radial artery perforator flap for repairing hand skin defects. Method: From May 2014 to December 2018, we used radial artery perforator flaps to repair 13 patients with hand skin defects. Among them, 3 cases were treated with radial artery perforator vascular pedicle flaps that preserved the superficial branch of the radial nerve, 5 cases were treated with free radial artery snuff pit terminal perforator flaps, and 5 cases were treated with free radial artery forearm mid distal perforator flaps. The results showed that all 13 flaps survived after surgery, including 1 case with distal venous reflux obstruction of the radial artery perforator vascular pedicle flap that retained the superficial branch of the radial nerve. The flap survived after epidermal detachment; One case of distal partial necrosis of the radial artery free flap was considered due to wound infection, and the flap survived after dressing change. Among them, 12 flaps were followed up for a period of 3-12 months, with an average of 8 months. The appearance of the flaps was not bulky, and the texture was flat and soft. According to the trial criteria for evaluating upper limb function of the Chinese Medical Association's Hand Surgery Society, 12 cases were excellent, and 1 case was good. Conclusion: The radial artery perforator vascular pedicle skin flap preserving the superficial branch of the radial nerve has rich blood supply, simple operation, flexible rotation points, and a non bulky appearance; The free radial artery snuff pit terminal perforator flap and the free radial artery forearm middle and distal perforator flap are easy to cut, do not sacrifice the main blood vessels, have minimal damage to the donor area, have a constant anatomy, and have a good recovery of the appearance, sensation, and motor function of the hands and fingers after surgery. Direct suture of the donor area is one of the feasible methods for repairing skin and soft tissue defects in the hands.
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