Abstract
The effect of loperamide suppositories on patients following restorative proctocolectomy was studied by means of a randomized, double-blind, crossover trial comparing active suppositories (20 mg b.d. x 1 week) with placebo. Ten patients (8 male, 2 female; 7 J pouch, 3 W pouch; 8 ulcerative colitis, 2 familial adenomatous polyposis) were studied 3-60 months (median, 31.5) after ileostomy closure. Ages ranged from 24 to 63 years (medium, 41.5). All patients kept a diary of their bowel habits and eight underwent a standardized test of pouch compliance. Urgency volume (UV) and maximum tolerable volumes (MTV) and the volume at onset of large isolated pouch contractions (LIC) were recorded. Statistical analysis was by the Wilcoxon test for paired data. Mean daily stool frequency during the placebo phase ranged from 3.7 to 7.8. It was reduced during the active phase in only seven patients (P > 0.1) but was reduced in all six patients whose placebo phase stool frequency was five or more. Urgency volume was increased by use of active suppositories in six of the eight patients tested (P > 0.01). There was no consistent effect on MTV. Large isolated pouch contractions were not seen in either test in one patient. In all of the remaining se...Continue Reading
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