Sweat ethanol concentrations are highly correlated with co-existing blood values in humans

被引:14
作者
Buono, MJ [1 ]
机构
[1] San Diego State Univ, Dept Biol, San Diego, CA 92182 USA
[2] San Diego State Univ, Dept Exercise & Nutr Sci, San Diego, CA 92182 USA
关键词
D O I
10.1111/j.1469-445X.1999.01798.x
中图分类号
Q4 [生理学];
学科分类号
071003 ;
摘要
This study compared the concentration of ethanol, both absolute and relative to water content, in sweat and blood. Ten male volunteers consumed approximately 13 mmol (kg body weight)(-1) of ethanol. Blood and sweat samples were collected approximately 1, 2 and 3 h following ingestion. Sweat was collected following pilocarpine iontophoresis using an anaerobic technique that prevented ethanol evaporation. In addition, the water content of sweat and bleed samples was determined. The correlation between sweat and blood ethanol, expressed in mmol l(-1), was r = 0.98. The slope of the relationship was 0.81. When corrected for the water content in each sample, and expressed as mmoles per litre of water, the correlation remained very high (r = 0.97) while the slope increased to 1.01. These results suggest that rapid and complete equilibrium of ethanol occurs across the sweat gland epithelium.
引用
收藏
页码:401 / 404
页数:4
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