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  • Title: [Transepithelial transport of water, sodium, and glucose of oral hydration solutions in jejunal loops of rats undergoing "in vivo" perfusion].
    Author: Kawakami E, Fagundes-Neto U.
    Journal: Arq Gastroenterol; 1993; 30(4):99-106. PubMed ID: 8060247.
    Abstract:
    There are several different oral hydration solutions of variable composition commercially available besides WHO 90. The purpose of this paper was to establish the type of solution more favorable to hydroelectrolytic transport. Water, Na and glucose transport of oral hydration solutions were measured by analysis of 728 samples from perfusions with 7 different solutions in jejunal loops of rats "in vivo". The following solutions were studied: homemade (96), Rehidrat (96), Hydrax (104), WHO 90 (104), WHO 60 (112), Pedyalite 30 (104), Pedyalite 90 (112) and a control solution (144). Hypotonic solutions with a molar ratio Na/glucose 2:1, had the greatest water absorption (homemade and WHO 60), while the solution with 90 mEq/L of Na had the greatest absorption of this ion (Pedyalite 90, WHO 90). Regarding glucose transport, Pedyalite 90 promoted the greater absorption (25 g/L). Solution with 30 mEq/L of Na and high osmolality resulted in water and Na secretion (Pedyalite 30).
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