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目的探讨中下段直肠癌保留肛门括约肌功能的最佳术式。方法对36例中下段直肠癌患者实施经腹直肠癌切除经肛门行结肠肛管前高后低的斜形吻合术。肛提肌平面距肿瘤下缘3~5cm28例,5~7cm8例。结果无手术死亡,无吻合口瘘,无吻合口狭窄。术后随访3月~5年,平均26个月,局部腹发2例(6.2%),肝转移2例。术后1月内大便次数较多,4~6次/d,3个月后排便次数及控便能力基本恢复正常。结论结肠肛管斜形吻合是直肠癌低位切除时,在确保括约肌功能的前提下,较为合理和可行的方法。
Objective To explore the best technique for preserving anal sphincter function in the lower and middle rectal cancer. Methods Thirty-six patients with rectal cancer underwent transabdominal rectal cancer resection through the anus before colorectal anastomosis high and low oblique anastomosis. Levator ani plane from the lower edge of the tumor 3 ~ 5cm28 cases, 5 ~ 7cm8 cases. Results no operative death, no anastomotic leakage, no anastomotic stenosis. The patients were followed up for 3 months to 5 years with an average of 26 months. There were 2 cases of local abdominal distention (6.2%) and 2 cases of liver metastasis. The stool frequency was higher in 1 month after operation, and the defecation frequency and defecation control ability returned to normal after 4 to 6 times / d after 3 months. Conclusions Oblique anastomosis of colorectal anastomosis is a reasonable and feasible method for ensuring the sphincter function under the condition of low resection of rectal cancer.