Population
6 healthy male subjects
Follow-up
24 hours
Authors
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ANP diurnal patterns should not yet guide clinical sampling; leaves open RAAS interactions in cardiovascular disease.
Plasma ANP exhibits diurnal variation with a nadir at 04:00 h, likely related to diminished atrial distension during sleep, and does not appear to affect renin or aldosterone secretion in a normal sleep-wake cycle.
Leppäluoto et al. (1990) studied this question.
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