Sleep deprivation blunts the nighttime increase in aldosterone release in humans

被引:46
作者
Charloux, A [1 ]
Gronfier, C [1 ]
Chapotot, F [1 ]
Ehrhart, J [1 ]
Piquard, F [1 ]
Brandenberger, G [1 ]
机构
[1] Inst Physiol, Lab Regulat Physiol & Rythmes Biol Chez Homme, F-67085 Strasbourg, France
关键词
adrenocorticotropic system; circadian rhythm; renal function; renin-angiotensin-aldosterone system; sleep; ultradian rhythm;
D O I
10.1046/j.1365-2869.2001.00235.x
中图分类号
R74 [神经病学与精神病学];
学科分类号
摘要
The aim of this study was to determine the effect of sleep deprivation on the 24-h profile of aldosterone and its consequences on renal function. Aldosterone and its main hormonal regulatory factors, ACTH (evaluated by cortisol measurement) and the renin-angiotensin system [RAS, evaluated by plasma renin activity (PRA) measurement] were determined every 10 min for 24 h in eight healthy subjects in the supine position, once with nocturnal sleep and once during total 24-h sleep deprivation. Plasma Na+ and K+ were measured every 10 min in four of these subjects. In an additional group of 13 subjects under enteral nutrition, diuresis, natriuresis and kaliuresis were measured once during the sleep period (23.00-07.00 h) and once during a 23.00-07.00 hours sleep deprivation period. During sleep deprivation, aldosterone displayed lower plasma levels and pulse amplitude in the 23.00-07.00-hour period than during sleep. Similarly, PRA showed reduced levels and lower pulse frequency and amplitude. Plasma cortisol levels were slightly enhanced during sleep deprivation. Overnight profiles of plasma K+ and Na+ were not affected. Diuresis and kaliuresis were not influenced by sleep deprivation. In contrast, natriuresis significantly increased during sleep deprivation. This study demonstrates that sleep deprivation modifies the 24-h aldosterone profile by preventing the nocturnal increase in aldosterone release and leads to altered overnight hydromineral balance.
引用
收藏
页码:27 / 33
页数:7
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