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目的：评估Parks’术在低位直肠癌中的价值以及不按常规加作辅助性结肠造口是否安全。方法；1991年之前7例加作辅助性结肠造口，1991年后26例未作辅助性结肠造口，改用螺纹管支撑留置结肠内经肛门引出。结果：33例中无手术死亡．未作辅助性结肠造口组术后2例发生吻合瘘（7．69％）。术后3例发生吻合口狭窄，均是未作辅助性结肠造口组。术后局部复发3例，1例为常规辅加结肠造口组，2例为未作辅助性结肠造口组，总的复发率为9．1％。全组5年生存率82．38±3．36％，木后排便控制功能恢复至一年时达到顶点，90％感觉满意，但有10％患者诉常有粪便外溢污染内裤。结论：Parks’术作为一种保肛手术与腹会阴切除术相比可使患者生活质量明显提高，但其术后控便功能不及Dixon’术，为保证保肛手术的远期疗效，此术应严格选用。此外，采用螺纹管支撑经肛门引出方法可有效地替代常规辅助性结肠造口而避免二期关闭，是一种安全手术方法。
OBJECTIVES: To evaluate the value of Parks’ surgery in low rectal cancer and whether it is safe to use conventional colostomy as a colostomy. Methods; Before 1991, 7 cases were added as colostomy colostomy. In 1991, 26 cases were not assisted colostomy, and they were replaced with threaded tube to support indwelling of the anus through the colon. 3. Results: There were no operative deaths in 33 cases. Anastomoses (7.69%) occurred in 2 patients who did not receive colostomy. Anastomotic stenosis occurred in 3 cases after surgery, and no auxiliary colostomy group was performed. Local recurrence occurred in 3 cases, 1 case was conventional colostomy group, and 2 cases were not assisted colostomy group. The overall recurrence rate was 9.1%. The 5-year survival rate of the whole group was 82.38±3.36%, and the control function of defecation after wood reached its peak at the time of one year, and 90% of the patients felt satisfied. However, 10% of patients complained of frequent fecal contamination of underwear. Conclusion: Parks’ surgery as an anus-preserving operation can significantly improve the quality of life of patients compared with abdominal perineal resection. However, the postoperative control of femoral function is less than that of Dixon’s surgery. Should be strictly chosen. In addition, the use of a threaded tube to support the trans-anal approach can effectively replace the conventional colostomy to avoid secondary closure, which is a safe surgical method.