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目的 探讨功能性慢通过型便秘患者直肠肛管动力的改变与大便结肠通过缓慢的因果关系。方法 对 32例功能性慢通过型便秘患者进行肛管直肠压力测定 ,并与对照组比较。结果 观察组肛门内、外括约肌静息压降低 (P <0 .0 5 ) ;直肠感知阈值升高 (P <0 .0 1或P <0 .0 5 ) ;直肠肛门抑制反射直肠扩张最小充气量升高 (P <0 .0 5 )。结论 肛管直肠动力的变化是长期的通过缓慢性便秘的结果。
Objective To investigate the causal relationship between the change of the dynamic force of rectum and anal canal in patients with functional slow transit constipation and the slow passage of stool and colon. Methods Anorectal pressure was measured in 32 patients with functional slow transit constipation and compared with the control group. Results The resting pressure of the anus and the external sphincter of the observation group decreased (P <0.05), the threshold of rectal sensation increased (P <0.01 or P <0.05), the rectal anorectal reflex rectum dilation Increased (P <0.05). Conclusion The change of anorectal motility is the result of chronic constipation through long-term.