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잘못된 배변습관이 치골직장근 이완부전증 (Non-Relaxing Puborectalis Syndrome)에 미치는 영향

Association between Poor Bowel Habit and Non-Relaxing Puborectalis Syndrome

대한대장항문학회지 2000년 16권 6호 p.402 ~ 406
김태현 ( Kim Tae-Hyun ) - 원광대학교 의과대학 소화기내과학교실

최석재 ( Choi Seok-Jae ) - 원광대학교 의과대학 소화기내과학교실
나용호 ( Nah Young-Ho ) - 원광대학교 의과대학 소화기내과학교실


Purpose: Constipation in children usually is due to poor bowel habit. Ignoring the urge to have a bowel movements initiates a viscious cycle of constipation. After a period of time children may stop feeling the urge, leading to fecal impaction. This leads to loss of anorectal reflex. What is the outcome of the children with long-standing poor bowel habit?

Methods: Forty-two patients with obstructed defecation (non-relaxing puborectalis syndrome) diagnosed by defecogram and anorectal manometry were investigated with rectal sensation and elasticity studies (threshold of sense: TS, defecation sensation volume: DS, maximal tolerable volume: MTV, rectal compliance: RC), and colon transit time (CTT). All detailed questionnaires on the subject were completed. Eighteen patients (11F: 7M, mean age 39 years, range 16∼75) with history of poor bowel habits since childhood were compared with 24 (16F: 8M, mean age 40 years, range 16∼31) with no history of poor bowel habit.

Results: Studies of colonic transit time demonstrated no significant difference in the right and left colon between two groups, but the rectosigmoid transit time in the poor bowel habits group was more increased than in the normal bowel habit group (P<0.05). The rectal wall compliance was increased in the poor bowel habit group as compared to the normal bowel habits group (P<0.01). Maximal tolerable volume and defecation sensation volume were greater in the poor bowel habits group than in the control group (P<0.01), but there was no significant difference in the threshold of sense between two groups.

Conclusion: Prolonged poor bowel habit in childhood period leads to loss of rectal sensation, and provide an explanation for one of the pathophysiologic mechanism of non-relaxing puborectalis syndrome.


Bowel habit;Non-relaxing puborectalis syndrome
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