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Plasma renin activity was determined by bioassay prior to, during and following a 2-hour infusion of norepinephrine into the renal artery in unilaterally nephrectomized dogs in order to examine the role of renin-angiotensin system in norepinephrine-induced ARF. ARF was induced in 5 of 8 dogs receiving 0.75 microgram/kg/min of norepinephrine, but not in the(More)
The morphological factors contributing to the reduction GFR in an early phase of NE-induced ARF (0.75 microgram/kg/min) were evaluated by comparing renal morphology at the end of NE infusion with that 2 hr later in unilaterally nephrectomized dogs. GFR 2 hr after NE infusion was reduced to 50% of the preinfusion level in a 30 min infusion group (N = 6), to(More)