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. 2000 Oct;75(10):1015-9.
doi: 10.4065/75.10.1015.

Anorectal dysfunction in constipated women with anorexia nervosa

G Chiarioni  1 , G Bassotti, A Monsignori, M Menegotti, L Salandini, G Di Matteo, I Vantini, W E Whitehead
Affiliations

Anorectal dysfunction in constipated women with anorexia nervosa

G Chiarioni et al. Mayo Clin Proc. 2000 Oct.

Abstract

Objective: To evaluate anorectal and colonic function in a group of patients with anorexia nervosa complaining of chronic constipation.

Patients and methods: Twelve women (age range, 19-29 years) meeting the criteria for anorexia nervosa and complaining of chronic constipation were recruited for the study. A group of 12 healthy women served as controls. Colonic transit time was measured by a radiopaque marker technique. Anorectal manometry and a test of rectal sensation were carried out with use of standard techniques to measure pelvic floor dysfunction. A subgroup of 8 patients was retested after an adequate refeeding program was completed.

Results: Eight (66.7%) of 12 patients with anorexia nervosa had slow colonic transit times, while 5 (41.7%) had pelvic floor dysfunction. Colonic transit time normalized in the 8 patients who completed the 4-week refeeding program. However, pelvic floor dysfunction did not normalize in these patients.

Conclusions: Patients with anorexia nervosa who complain of constipation have anorectal motor abnormalities. Delayed colonic transit time is probably due to abnormal eating behavior.

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