目的 探讨改良前臂骨间背侧动脉穿支皮瓣修复手部软组织缺损的手术方式及临床疗效.方法 根据前臂骨间背侧动脉中远端穿支位置及前臂背侧皮神经走行设计骨间背侧动脉穿支皮瓣,修复16例手腕、手背及虎口部皮肤软组织缺损患者.创面缺损面积:10 cm×7 cm ~ 15 cm×13 cm,切取皮瓣面积:10 cm×8 cm~16 cm×14 cm.%Objective To explore the surgical techniques and clinical effect of modified posterior interosseous artery distal perforator flap for repairing soft tissue defect of hand.Methods Using flaps to repair 16 cases of soft tissue defect of wrist,opisthenar and first web, flaps were designed according to the location of mid-distalis perforator of posterior interosseous artery and the route of antebrachii posterior neurocutaneous.The defect area was 10 cm×7 cm ~ 15 cm×13 cm,flaps area was 10 cm×8 cm ~ 16 cm×14 cm.Results After the operation, 3 cases of venous crisis occurred, and the wound were healed by conservative treatment.All 16 flaps survived completely,and follow-up time ranged from 6 months to 18 months.All flaps showed good texture matches and contour.The sensation of the flaps returned to S3+ 1 case, S3 6 cases, S2 9 cases.According to the functional assessment criteria for upper extremities issued by the Hand Society of the Chinese Medical Association, the results were excellent in 10 cases,good in 4, and fair in 2.Conclusions Improved posterior interosseous artery perforator flap has the advantages of simple operation, lower risk and flexible design of vascular pedicle, which has good clinical effect to repair soft tissue defect of the hand.
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