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Dis Colon Rectum. 1987 Apr;30(4):267-72.

Physiology of ileoanal anastomosis with ileal reservoir for ulcerative colitis and adenomatosis coli.


A physiologic and metabolic assessment was carried out on eight patients six months after total proctocolectomy with ileal reservoir for ulcerative colitis and familial adenomatosis coli. All patients were continent and able to defecate spontaneously, stool frequency ranging from two to five per 24 hours. Anal sphincter resting pressures (35 +/- 14 mmHg) and squeeze pressures (88 +/- 24.2 mmHg) were similar to those of a healthy population, with the exception of one patient's complaint of nocturnal mucous leakage per anus. Biopsies of the ileal mucosa of the reservoirs showed a mild inflammation in seven patients; in one a subtotal villous atrophy (plus glandular pattern) was found. Anthropometric measurements, lymphocyte counts, hemoglobin, albumin, transferrin, iron, B12, and folate were normal in all. In the majority of patients there was no evidence of bacterial overgrowth. Vitamin B12 absorption was reduced slightly in only one patient. Lipid absorption (as judged by the 14C-Triolein breath test) was abnormal in three patients. Fecal clearance of alpha 1 antitrypsin as protein losses index was abnormal in three patients. Bile acid malabsorption was the most important ileal dysfunction observed in the patients.

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