Why the study?
Do food intake and body positional changes alter the circadian rhythm of atrial natriuretic peptides excretion into human urine in healthy volunteers?
Population
6 healthy volunteers
Comparison
Alterations in body position, food intake, and… vs Normal sleep-awake patterns and fasting states
Follow-up
5 days
Authors
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ANF sampling requires standardized timing, posture, and prandial conditions; leaves open whether these factors affect diagnostic or therapeutic use in cardiovascular disease.
Do food intake and body positional changes alter the circadian rhythm of atrial natriuretic peptides excretion into human urine in healthy volunteers?
The excretion of atrial natriuretic peptides into urine follows a circadian rhythm peaking at 04:00 h, which is significantly modulated by posture, food, and fluid intake.
Vesely et al. (1991) studied this question.
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