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Type: Journal article
Title: Association between alcohol and cardiovascular disease: Mendelian randomisation analysis based on individual participant data
Author: Holmes, M.
Dale, C.
Zuccolo, L.
Silverwood, R.
Guo, Y.
Ye, Z.
Prieto-Merino, D.
Dehghan, A.
Trompet, S.
Wong, A.
Cavadino, A.
Drogan, D.
Padmanabhan, S.
Li, S.
Yesupriya, A.
Leusink, M.
Sundstrom, J.
Hubacek, J.
Pikhart, H.
Swerdlow, D.
et al.
Citation: BMJ, 2014; 349(Jul):g4164-1-g4164-16
Publisher: BMJ Publishing Group
Issue Date: 2014
ISSN: 0959-8146
Statement of
Michael V Holmes ... Debbie A Lawlor ... et al. on behalf of The InterAct Consortium
Abstract: To use the rs1229984 variant in the alcohol dehydrogenase 1B gene (ADH1B) as an instrument to investigate the causal role of alcohol in cardiovascular disease.Mendelian randomisation meta-analysis of 56 epidemiological studies.261 991 individuals of European descent, including 20 259 coronary heart disease cases and 10 164 stroke events. Data were available on ADH1B rs1229984 variant, alcohol phenotypes, and cardiovascular biomarkers.Odds ratio for coronary heart disease and stroke associated with the ADH1B variant in all individuals and by categories of alcohol consumption.Carriers of the A-allele of ADH1B rs1229984 consumed 17.2% fewer units of alcohol per week (95% confidence interval 15.6% to 18.9%), had a lower prevalence of binge drinking (odds ratio 0.78 (95% CI 0.73 to 0.84)), and had higher abstention (odds ratio 1.27 (1.21 to 1.34)) than non-carriers. Rs1229984 A-allele carriers had lower systolic blood pressure (-0.88 (-1.19 to -0.56) mm Hg), interleukin-6 levels (-5.2% (-7.8 to -2.4%)), waist circumference (-0.3 (-0.6 to -0.1) cm), and body mass index (-0.17 (-0.24 to -0.10) kg/m(2)). Rs1229984 A-allele carriers had lower odds of coronary heart disease (odds ratio 0.90 (0.84 to 0.96)). The protective association of the ADH1B rs1229984 A-allele variant remained the same across all categories of alcohol consumption (P=0.83 for heterogeneity). Although no association of rs1229984 was identified with the combined subtypes of stroke, carriers of the A-allele had lower odds of ischaemic stroke (odds ratio 0.83 (0.72 to 0.95)).Individuals with a genetic variant associated with non-drinking and lower alcohol consumption had a more favourable cardiovascular profile and a reduced risk of coronary heart disease than those without the genetic variant. This suggests that reduction of alcohol consumption, even for light to moderate drinkers, is beneficial for cardiovascular health.
Keywords: InterAct Consortium
Description: Published 10 July 2014
Rights: This is an Open Access article distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 3.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial. See:
RMID: 0030042720
DOI: 10.1136/bmj.g4164
Appears in Collections:Medicine publications

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