The anorectal dynamics showed that the squence pressure and rest pressure of the anal cannel were lower and the time of contraction of the anal cannel decreased than that of the normal controls.

• 结果 患者的主要症状与体征为排便困难、排便不全、会阴坠胀、排便时会阴下凸、子宫后倾及直肠松弛。肛肠动力学检测有静息压、收缩压下降，收缩时间缩短，直肠感觉功能减退。