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Female drinkers are more sensitive than male drinkers to alcohol-induced heart rate increase
Journal article   Open access   Peer reviewed

Female drinkers are more sensitive than male drinkers to alcohol-induced heart rate increase

Roberto U Cofresí, Bruce D Bartholow and Kim Fromme
Experimental and clinical psychopharmacology, Vol.28(5), pp.540-552
10/01/2020
DOI: 10.1037/pha0000338
PMCID: 7263942
PMID: 31789554
url
https://doi.org/10.1037/pha0000338View
Published (Version of record) Open Access

Abstract

The present study examined the acute effect of alcohol and its cues on autonomic and cardiovascular physiology, as indexed by changes in heart rate (HR), in a relatively large sample of healthy young adult men and women. Participants (27-31 years old, final = 145) were administered an alcoholic beverage ( = 88; 52 women) or a placebo beverage ( = 57; 35 women) in a simulated bar. Target breath alcohol concentration (BrAC) was .08 g%. HR was recorded while participants were seated alone during an initial baseline assessment in a lab room; seated with others during preparation and administration of 2 beverages in a simulated bar; and seated alone in the lab room at ascending, peak, and descending BrAC. HR increased over time for participants in both beverage groups during beverage preparation. During beverage consumption, HR decreased over time in those who drank placebo whereas HR increased over time in those who drank alcohol, increasing at a faster rate in women compared to men. HR remained elevated at the ascending, peak, and descending limb assessments only in participants who drank alcohol with HR increasing over time at ascending BrAC in the women but not men. Sex differences in HR under alcohol were not explained by sex differences in body mass index, BrAC, recent alcohol use, or subjective stimulation. Our findings suggest that women may be more sensitive to alcohol-induced increases in HR, especially in environments where alcohol cues are abundant. This may have implications for cardiovascular risks associated with alcohol. (PsycInfo Database Record (c) 2020 APA, all rights reserved).
Adult Alcohol Drinking - adverse effects Alcoholic Beverages Breath Tests Ethanol - pharmacology Female Heart Rate - drug effects Humans Male Sex Factors Young Adult

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