In 63 patients (80.7%) treated by one-stage operation, postoperative intestinal fistula (IF) occurred in 1 patient, 62 patients were curried while 1 died.

• 一期手术治疗63例,术后发生肠瘘1例,治愈62例,死亡1例。二期手术治疗15例,再次手术后发生肠瘘1例,治愈13例,死亡2例。