PP119-MON EFFECT OF MODERATE ALCOHOL INTAKE ON 24-H BLOOD PRESSURE DYNAMICS AMONG PATIENTS WITH TYPE 2 DIABETES

Yftach Gepner, D. Schwarzfuchs, Rachel Golan, Yaakov Henkin, Ilana Harman-Boehm, O. Tangi-Rosental, Ilan Shelef, E. Goshen, B. Sarusi, Lena Novack, Michael Friger, N. Cohen, N. Bril, M. Lerner, D. Serfaty, Assaf Rudich, M.J. Stampfer, Iris Shai

Research output: Contribution to journalMeeting Abstract

Abstract

AIMS Observational studies report inconsistent associations between moderate alcohol intake and blood pressure (BP). In a sub-study of a larger randomized controlled trial, we assessed the effect of initiating moderate red wine consumption on 24-h BP recordings and the effect of a common genetic variant of alcohol dehydrogenases (ADH) among patients with type 2 diabetes. METHODS Fifty-four type 2 diabetes, alcohol abstainers were randomized to consume 150 ml/dinner dry red wine or mineral water. Both groups were guided to adhere to a Mediterranean diet, without caloric restriction. We measured 24-h ambulatory BP monitoring (ABPM) at baseline and after 6 months. RESULTS Participants (age = 57 years; 85% men; mean 24-h BP = 129/77 mm Hg) had 92% 6-month retention. After 6 months of intervention, the average 24-h BP did not differ between the wine and water groups. A transient decrease in BP was observed in the red wine group at midnight (3–4 hours after wine intake: systolic BP: red wine = −10.6 mm Hg vs. mineral water = +2.3 mm Hg; P = 0.031) and the following morning at 7–9 am (red wine: −6.2 mm Hg vs. mineral water: +5.6 mm Hg; P = 0.014). In a second post hoc sub-analysis among the red wine consumers, individuals who were homozygous for the gene encoding ADH1B*2 variant (Arg48His; rs1229984, TT, fast ethanol metabolizers), exhibited a reduction in mean 24-h systolic BP (−8.0 mm Hg vs. +3.7mm Hg; P = 0.002) and pulse pressure (−3.8 mm Hg vs. +1.2 mm Hg; P = 0.032) compared to heterozygotes and those homozygous for the ADH1B*1 variant (CC, slow metabolizers). CONCLUSIONS Initiating moderate red wine consumption at dinner among type 2 diabetes patients does not have a discernable effect on mean 24-h BP. Yet, a modest temporal BP reduction could be documented, and a more pronounced BP-lowering effect is suggested among fast ethanol metabolizers. clinical trials registration ClinicalTrials.gov Identifier: NCT00784433.
Original languageEnglish
Pages (from-to)S166
JournalClinical Nutrition
Volume32
DOIs
StatePublished - 1 Sep 2013

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