[摘要]目的：探讨游离尺动脉腕上皮支皮瓣修复手指大面积缺损的手术方法及临床疗效。方法：2017年2月-2021年3月，笔者医院收治手指大面积皮肤软组织缺损患者14例14指，缺损创面为2.5 cm×4.0 cm～3.5 cm×9.0 cm，采用游离尺动脉腕上皮支皮瓣修复。通过电话、微信或门诊随访皮瓣外观和感觉、手功能以及供区状况。结果：本组14例患者，皮瓣切取面积为3.0 cm×4.5 cm～4.0 cm×12.0 cm，术后13例患者皮瓣顺利成活，1例皮瓣远端部分坏死，经积极处理后愈合。随访时间5～18个月，平均9.4个月，皮瓣外形、质地良好，保护性感觉基本恢复，两点分辨觉为8～22 mm，手功能优8例，良4例，可2例，优良率85.7%。结论：游离尺动脉腕上皮支皮瓣修复手指大面积缺损具有疗效满意、供区损伤小等优点，是一种比较理想的手术方式。

    [关键词]手指损伤；皮瓣；显微外科手术；创面修复

    [中图分类号]R622" " [文献标志码]A" " [文章编号]1008-6455(2025)04-0035-03

    Repair of Extensive Soft Tissue Defect of Finger with Free Dorso-ulnar Flap

    SHI Ding， ZHAO Lin， ZHANG Yi， LIU Zhicheng， XU Chunjuan， SONG Yongbin， LIU Zongyi， LIU Shiqiang

    ( Department of Burn and Plastic Surgery， the No.987 Hospital of PLA Joint Logistic Support Force， Baoji 721004，

    Shaanxi， China )

    Abstract： Objective" To investigate the surgical method and clinical effect of free dorso-ulnar flap in repairing extensive soft tissue defect of finger. Methods" February 2017 to March 2021， 14 fingers of 14 patients with extensive soft tissue defects of fingers were treated with free dorso-ulnar flaps in the author's hospital. The defect sizes ranged from 2.5cm×4.0 cm to 3.5 cm×9.0 cm ......