EFFECTS OF EMOTIONAL DISTURBANCE ON WATER DIURESIS AND RENAL BLOOD FLOW IN THE RABBIT

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Abstract
Emotional disturbance and painful stimuli in the rabbit caused inhibition of water diuresis by decreasing renal blood flow (PAH clearance) and filtration rate (creatinine clearance). Increased tubular reabsorption of water (as judged by the creatinine U/P ratio) is of minor importance in this type of oliguira. When emotional disturbances were avoided it was possible to produce a 15 fold variation in urine flow in unanesthetized quiescent rabbits by means of water diuresis without significant changes in the glomerular filtration rate. The reports by other authors of the parallel increase in urine flow and glomerular filtration produced by water admn. in the rabbit is thought to be due to gradual release of renal arteriolar spasm caused by emotional disturbances associated with the exptl. procedures.

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