Conclusions Full preoperative bowel preparation and mental care, postoperative precision observation and prevent vasospasm as well as embolism are powerful safeguard to the success of the operation.

• 结论术前做好肠道准备和心理护理，术后严密观察皮瓣血运状况、预防血管痉挛和栓塞是成功康复的有力保障。