Surgical exploration for failing flap was described in detail.Results:4 cases vascular crisis of free skin flap were successfully salvaged, with a success rate of 80%.

• 结果:5例皮瓣血管危象中4例经抢救成活；1例失败；抢救成功率为80%25；游离皮瓣移植成活率为96.；9%25。