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  • Title: Chronic protracted diarrhea and jejunal atrophy in an infant. Cimetidine-associated stimulation of jejunal mucosal growth.
    Author: Fisher SE, Boyle JT, Holtzapple P.
    Journal: Dig Dis Sci; 1981 Feb; 26(2):181-6. PubMed ID: 7460719.
    Abstract:
    An infant with 21 months of chronic protracted diarrhea, associated with intestinal mucosal atrophy, decreased crypt mitotic activity, and anti-intestinal antibodies is reported. During a 4-month period, cimetidine was used in an attempt to stimulate mucosal growth. Thirty-minute postprandial serum gastrin levels rose significantly during cimetidine therapy (663 /+- 115 pg/ml, mean /+- SEM). Coincident with the cimetidine therapy, the jejunal mucosa showed progressive histologic improvement and the index of crypt mitotic activity (MI) steadily rose: pretreatment MI = 1.3 (mitoses/100 crypt cells); mid-study, 3.3; end of study, 4.5. There was a direct correlation between 30-min pp serum gastrin and MI (r = 0.989, P less than 0.005). The patient died in renal failure one month after cessation of cimetidine. At autopsy, the small bowel had returned to an atropic state. It is proposed that cimetidine may have influenced jejunal mucosal growth, possibly through meal-stimulated hypergastrinemia.
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