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American Journal of Clinical Nutrition, Vol 36, 1112-1118, Copyright © 1982 by The American Society for Clinical Nutrition, Inc

ORIGINAL RESEARCH COMMUNICATIONS

Carbohydrate malabsorption in infants with rotavirus diarrhea

DA Sack, M Rhoads, A Molla, AM Molla and MA Wahed

We studied a group of patients with rotavirus diarrhea to determine the association of carbohydrate malabsorption during diarrhea with the degree of acidosis and severity of purging. Unlike enterotoxigenic diarrhea in which the metabolic acidosis is due to loss of bicarbonate in an alkaline stool, patients with rotavirus develop a metabolic acidosis while passing an acid stool with little detectable bicarbonate. Also unlike enterotoxigenic diarrhea, rotavirus stool contains large quantities of reducing substances suggesting significant carbohydrate malabsorption. Our findings are consistent with the hypothesis that carbohydrate malabsorption is an important secondary pathophysiological mechanism in the rotavirus diarrhea syndrome. This model for rotavirus diarrhea helps to explain the electrolyte and acid- base pattern of the rotavirus stool and stresses the importance of further nutrition balance studies to determine the optimal dietary management of patients with rotavirus diarrhea.


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