目的评估复杂结肠直肠癌的表现、治疗和影响预后的危险因素。方法回顾性调查了从1995年到2008年的115例因梗阻或穿孔行急诊外科治疗的患者,收集了患者的一般资料和肿瘤特征、治疗及结局,分析影响其预后的危险因素。结果①89(77%)例患者完全梗阻和26例(23%)穿孔;②术后总并发症和严重并发症发生率分别是70%和33%,死亡率是16.5%;③术中输血显著影响术后严重并发症的发病率。结论复杂结肠直肠癌发病率和死亡率高。对于那些具有危险因素的患者在手术后应给予强有力的治疗,以改善结局。 Objectives To assess the performance, treatment, and risk factors that influence prognosis in complex colorectal cancer. METHODS: A retrospective survey of 115 patients undergoing emergency surgical treatment of obstruction or perforation from 1995 to 2008 was performed. The general data, characteristics, treatment, and outcomes of the patients were collected and the risk factors affecting their prognosis were analyzed. RESULTS: 189 (77%) patients were completely obstructed and 26 cases (23%) were perforated; 2 postoperative complications and serious complications were 70% and 33%, respectively; mortality was 16.5%; 3 intraoperative blood transfusion was significant. Affect the incidence of serious postoperative complications. Conclusions The incidence and mortality of complex colorectal cancer are high. Patients with risk factors should be given strong treatment after surgery to improve outcomes.