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目的研究直肠癌低位前切除术对患者肛门直肠结构及功能的影响。方法对36例直肠癌患者,进行低位前切除术后3个月、6个月、1年的直肠肛门压力测定,并与术前作对比,记录术后控便能力的变化情况。结果术后3个月,15例患者排气不能自制,9例患者排液性便不能自制,直至术后1年上述患者的肛门自制功能才恢复正常。肛门直肠压力测定结果:术后3、6个月肛管静息压、肛管最大收缩压、肛管最大收缩时间均较术前明显降低(P<0.05)。术后12个月肛管静息压、肛管最大收缩压、肛管最大收缩时间与术前相比无明显差异(P>0.05)。结论直肠癌低位前切除术后,患者的肛门直肠结构发生了明显变化,从而导致术后患者的控制排便功能下降。
Objective To study the effect of anterior resection of rectal cancer on anorectal structure and function of patients. Methods Thirty-six patients with rectal cancer underwent rectal anal pressure measurement at 3 months, 6 months and 1 year after low-level anterior resection, and compared with preoperative, the changes of post-operative control ability were recorded. Results Three months after operation, 15 patients were unable to self-control the exhaust, and 9 patients were unable to self-control the drainage until the patient’s anal self-control function returned to normal one year after operation. Anorectal pressure measurement results: 3,6 months postoperative anal resting pressure, anal maximum systolic blood pressure, anal maximum contraction time were significantly lower than preoperative (P <0.05). At 12 months after operation, resting pressure of the anal canal, maximum systolic pressure of the anal canal and maximal contraction time of the anal canal had no significant difference compared with that before operation (P> 0.05). Conclusions After anterior resection of low rectal cancer, the anorectal structure of patients has undergone significant changes, resulting in decreased postoperative defecation control.