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目的:探讨基于“泳裤供区”理念下的旋髂浅动脉穿支皮瓣（SCIP）在四肢创面修复中的应用。方法:2018年6月-2019年3月,共收治四肢创伤性软组织缺损患者20例,均行游离SCIP进行修复,其中男16例,女4例。组织缺损部位：手部10例,前臂4例,小腿4例,足部2例。创面面积7.3 cm×5.6 cm~16.3 cm×7.7 cm。患者术前常规行CTA及高频CDU检查,辅助定位穿支血管位置及旋髂浅动脉（SCIA）浅支及深支走行情况。术中结合透光试验判断优势支,其中18例以SCIA浅支为优势支,在Scarpa筋膜浅层切取皮瓣,2例以SCIA深支为优势支,在深筋膜浅层切取皮瓣。供区均直接拉拢缝合。术后定期随访。结果:20例皮瓣术后均无血管危象发生,皮瓣顺利成活。术后均定期随访8～16个月,平均12个月,末次随访时见受区皮瓣外形及质地均良好,与患肢周围健康组织大致相似,同时患肢功能得到良好的恢复,供区仅留1条线形瘢痕。结论:基于“泳裤供区”理念切取的SCIP皮瓣质地柔软,厚度适中,且供区隐匿,患者穿着泳裤可直接覆盖供区术后瘢痕,符合现阶段供区损伤最小化的理念,值得推广应用。“,”Objective:To explore the application of the superficial iliac perforator flap (SCIP) based on the concept of “Donor site under swimming wear” in the repair of wounds of extremities.Methods:From June, 2018 to March, 2019, a total of 20 patients with traumatic soft tissue defects of the extremities were treated. All defects were repaired with free SCIP, including 16 males and 4 females. Location of defects: 10 in the hand, 4 in the forearm, 4 in the shank, and 2 in the foot. Wound areas were 7.3 cm×5.6 cm-16.3 cm×7.7 cm. Patients received routine CTA and high-frequency CDU examinations before surgery to assist in identifying the location of the perforating vessels and the running of the superficial and deep branches of the superficial iliac circumflex artery (SCIA). Combined intraoperative light transmission experiments were used to determine the dominant branch. The superficial branch of SCIA was used as the dominant branch in 18 cases, and the flap was cut in the superficial layer of Scarpa's fascia. The deep branch of SCIA was used as the dominant branch in 2 cases and the flap was cut in the superficial layer of the deep fascia. The donor site was directly sutured. Regular postoperative follow-ups were conducted without lost.Results:All flaps had no vascular crisis after surgery and survived successfully. All patients were followed-up regularly for 8 to 16 months, with an average of 12 months. At the last followed-up, the appearance and texture of the flaps in the recipient area were good, and roughly similar to the healthy tissues around the affected limb. The function of the affected limb recovered well. There was only a linear scar in the donor area.Conclusion:The SCIP based on the concept of “Donor site under swimming wear” is soft in texture, moderate in thickness, and concealed in the supply area. The patient can directly hide the scars of the donor areas after wearing the swimming trunks, which meets the concept of minimizing the damage to the donor area. It deserves to be promoted.