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Revista Cubana de Pediatría
versão On-line ISSN 1561-3119
Resumo
RIVERON CORTEGUERA, Raúl L.. Fisiopatología de la diarrea aguda. Rev Cubana Pediatr [online]. 1999, vol.71, n.2, pp. 86-115. ISSN 1561-3119.
This a review of some important aspects of the physiopathology of diarrhea. A description is made of the intestinal physiopathology, including the anatomy of the intestine and of its surface of absorption, as well as the functional structure of the intestinal mucosa: the normal physiopathology of the intestinal fluids; the mechanism of absorption of water and electrolites; the absorption of sodium by electrogenic difussion, joined to the chloride ion; the interchange with the hydrogen ion and attached to organic substances, such as glucose, aminoacids and some oligopeptides; the intestinal secretion of water and electrolites; the intracellular control of secretion, the extracellular mediators and modulators of intestinal transport; the factors that increase absorption and reduce secretion; the factors that stimulate secretion and absorption; and the physiopathological mechanism of diarrhea. The classification of acute infectious diarrhea in aqueous secretory and osmotic, and diarrhea with invasive and noninvasive blood is also approached.
Palavras-chave : DIARRHEA [physiopathology]; INTESTINAL MUCOSA [physiopathology]; INTESTINE [physiopathology]; INTESTINAL ABSORPTION.