Role of the sympathetic nervous system in the renal response to hemorrhage

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Abstract

In 12 studies, a femoral artery and vein of a donor dog treated with desoxycorticosterone were connected by tubing to a renal artery and vein of a recipient dog treated with desoxycorticosterone, and the kidney with its nerve supply intact was perfused at femoral arterial pressure. Infusion of normal saline, which contained albumin, from 2.7 to 3.1 g/100 ml, in the donor produced significant natriuresis in a kidney of the donor (from 112 to 532 μEq/min) and in the perfused kidney (from 60 to 301 μEq/min) of the recipient. Increased sodium excretion in the perfused kidney was associated with an increase in the clearances of inulin and para-aminohippurate (P < 0.01) and a decrease in hematocrit of perfusing blood (P < 0.01).

Authors

John R. Gill Jr., Alfred G. T. Casper