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Meta-Analysis
. 2014 Jul 10:349:g4164.
doi: 10.1136/bmj.g4164.

Association between alcohol and cardiovascular disease: Mendelian randomisation analysis based on individual participant data

Michael V Holmes  1 Caroline E Dale  2 Luisa Zuccolo  3 Richard J Silverwood  4 Yiran Guo  5 Zheng Ye  6 David Prieto-Merino  2 Abbas Dehghan  7 Stella Trompet  8 Andrew Wong  9 Alana Cavadino  10 Dagmar Drogan  11 Sandosh Padmanabhan  12 Shanshan Li  13 Ajay Yesupriya  14 Maarten Leusink  15 Johan Sundstrom  16 Jaroslav A Hubacek  17 Hynek Pikhart  18 Daniel I Swerdlow  19 Andrie G Panayiotou  20 Svetlana A Borinskaya  21 Chris Finan  19 Sonia Shah  22 Karoline B Kuchenbaecker  23 Tina Shah  19 Jorgen Engmann  19 Lasse Folkersen  24 Per Eriksson  24 Fulvio Ricceri  25 Olle Melander  26 Carlotta Sacerdote  25 Dale M Gamble  27 Sruti Rayaprolu  28 Owen A Ross  28 Stela McLachlan  29 Olga Vikhireva  18 Ivonne Sluijs  30 Robert A Scott  6 Vera Adamkova  31 Leon Flicker  32 Frank M van Bockxmeer  33 Christine Power  10 Pedro Marques-Vidal  34 Tom Meade  2 Michael G Marmot  35 Jose M Ferro  36 Sofia Paulos-Pinheiro  37 Steve E Humphries  38 Philippa J Talmud  38 Irene Mateo Leach  39 Niek Verweij  39 Allan Linneberg  40 Tea Skaaby  40 Pieter A Doevendans  41 Maarten J Cramer  41 Pim van der Harst  42 Olaf H Klungel  15 Nicole F Dowling  14 Anna F Dominiczak  12 Meena Kumari  19 Andrew N Nicolaides  43 Cornelia Weikert  11 Heiner Boeing  11 Shah Ebrahim  2 Tom R Gaunt  3 Jackie F Price  29 Lars Lannfelt  44 Anne Peasey  18 Ruzena Kubinova  45 Andrzej Pajak  46 Sofia Malyutina  47 Mikhail I Voevoda  48 Abdonas Tamosiunas  49 Anke H Maitland-van der Zee  15 Paul E Norman  50 Graeme J Hankey  51 Manuela M Bergmann  11 Albert Hofman  7 Oscar H Franco  7 Jackie Cooper  52 Jutta Palmen  38 Wilko Spiering  53 Pim A de Jong  54 Diana Kuh  9 Rebecca Hardy  9 Andre G Uitterlinden  7 M Arfan Ikram  7 Ian Ford  55 Elina Hyppönen  56 Osvaldo P Almeida  57 Nicholas J Wareham  6 Kay-Tee Khaw  58 Anders Hamsten  59 Lise Lotte N Husemoen  40 Anne Tjønneland  60 Janne S Tolstrup  61 Eric Rimm  62 Joline W J Beulens  30 W M Monique Verschuren  63 N Charlotte Onland-Moret  30 Marten H Hofker  64 S Goya Wannamethee  65 Peter H Whincup  66 Richard Morris  65 Astrid M Vicente  67 Hugh Watkins  68 Martin Farrall  68 J Wouter Jukema  8 James Meschia  27 L Adrienne Cupples  69 Stephen J Sharp  6 Myriam Fornage  70 Charles Kooperberg  71 Andrea Z LaCroix  71 James Y Dai  71 Matthew B Lanktree  72 David S Siscovick  73 Eric Jorgenson  74 Bonnie Spring  75 Josef Coresh  76 Yun R Li  77 Sarah G Buxbaum  78 Pamela J Schreiner  79 R Curtis Ellison  80 Michael Y Tsai  81 Sanjay R Patel  82 Susan Redline  83 Andrew D Johnson  84 Ron C Hoogeveen  85 Hakon Hakonarson  86 Jerome I Rotter  87 Eric Boerwinkle  88 Paul I W de Bakker  89 Mika Kivimaki  18 Folkert W Asselbergs  90 Naveed Sattar  91 Debbie A Lawlor  3 John Whittaker  92 George Davey Smith  3 Kenneth Mukamal  93 Bruce M Psaty  94 James G Wilson  95 Leslie A Lange  96 Ajna Hamidovic  97 Aroon D Hingorani  19 Børge G Nordestgaard  98 Martin Bobak  18 David A Leon  2 Claudia Langenberg  6 Tom M Palmer  99 Alex P Reiner  71 Brendan J Keating  100 Frank Dudbridge  2 Juan P Casas  101 InterAct Consortium
Affiliations
Meta-Analysis

Association between alcohol and cardiovascular disease: Mendelian randomisation analysis based on individual participant data

Michael V Holmes et al. BMJ. .

Abstract

Objective: 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.

Design: Mendelian randomisation meta-analysis of 56 epidemiological studies.

Participants: 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.

Main outcome measures: Odds ratio for coronary heart disease and stroke associated with the ADH1B variant in all individuals and by categories of alcohol consumption.

Results: 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)).

Conclusions: 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.

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Conflict of interest statement

Competing interests: All authors have completed the ICMJE uniform disclosure form at www.icmje.org/coi_disclosure.pdf and declare: Prof Whittaker is 90% employed by GlaxoSmithKline and own shares in GlaxoSmithKline. All other coauthors report no support from any organisation for the submitted work; no financial relationships with any organisations that might have an interest in the submitted work in the previous three years; no other relationships or activities that could appear to have influenced the submitted work.

Figures

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Fig 1 Meta-analysis pooled estimates of the association between ADH1B rs1229984 (A-allele carriers v non-carriers) and cardiovascular disease biomarkers showing association on crude analysis, stratified by alcohol intake
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Fig 2 Meta-analysis pooled estimates of the association between ADH1B rs1229984 (A-allele carriers v non-carriers) and coronary heart disease overall, and stratified by alcohol intake
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Fig 3 Meta-analysis pooled estimates of the association between ADH1B rs1229984 (A-allele carriers v non-carriers) and stroke (combined subtypes) and type 2 diabetes overall, and stratified by alcohol intake

Comment in

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