29 October 2018 In Cardiovascular System

Background: To assess sex-specific associations between risk-based alcohol drinking levels and the 10-year cardiovascular disease (CVD) risk scores and cardiovascular (CV) risk factors.

Methods: Data from 9,995 Koreans (4,249 men, 5,746 women), aged 40 to 79 years who did not have CVD and participated in the 2011 to 2013 Korea National Health and Nutrition Examination Survey, were used to assess risk-based alcohol drinking levels in the past year (no drinking, drinking at low risk, and drinking at risk) categorized by the National Institute on Alcohol Abuse and Alcoholism, components of the 10-year CVD risk scores using the Adult Treatment Panel III risk score and the 10-year hard atherosclerotic CVD risk score, CV risk factors, and confounding factors (age, smoking status, body mass index, educational attainment, income level, and physical activity).

Results: Drinking levels had positive associations with blood pressure and levels of glucose, triglycerides, and high-density lipoprotein cholesterol (HDL-C) and inverse associations with levels of low-density lipoprotein cholesterol and non-HDL-C and ratio of total cholesterol (TC) to HDL-C in men, while higher drinking levels were associated with higher HDL-C levels and lower ratio of TC to HDL-C in women after adjusting for confounding factors (p for trend < 0.001). With respect to the 10-year CVD risk scores, higher drinking levels were associated with lower scores in both sexes (p for trend < 0.001).

Conclusions: Risk-based drinking levels were more likely to have dose-dependent associations with CV risk factors in men than in women and had inverse relationships with 10-year CVD risk in both men and women.

29 October 2018 In Cardiovascular System

BACKGROUND: Alcohol-induced cardiotoxicity is incompletely understood. Specifically, the long-term impact of alcohol use on ventricular remodeling or dysfunction, its modulators, and effect thresholds among young adults remain controversial.

OBJECTIVES: The authors sought to evaluate a potential relationship between alcohol intake and cardiac remodeling, assessed by echocardiography, over 20 years of follow-up.

METHODS: Among the CARDIA (Coronary Artery Risk Development in Young Adults) study cohort, the authors studied all subjects without baseline heart disorders who provided adequate information on their drinking habits and underwent echocardiographic evaluation at years 5 and 25 of the study. The echocardiographic outcomes were left ventricular (LV) ejection fraction, indexed LV end-diastolic volume and LV mass, and left atrial diameter. Participants were grouped according to their weighted-average weekly drinking habits. An additional analysis used the estimated cumulative alcohol consumption. Regression models and multivariable fractional polynomials were used to evaluate the association between alcohol consumption and the outcomes.

RESULTS: Among the 2,368 participants, alcohol consumption was an independent predictor of higher indexed LV mass (p = 0.014) and indexed LV end-diastolic volume (p = 0.037), regardless of sex. No significant relationship between alcohol intake and LV ejection fraction was found. Drinking predominantly wine was associated with less cardiac remodeling and there was a nonsignificant trend for a harmful effect of binge drinking.

CONCLUSIONS: After 20 years of follow-up, alcohol intake was associated with adverse cardiac remodeling, although it was not related with LV systolic dysfunction in this initially healthy young cohort. Our results also suggest that drinking predominantly wine associates with less deleterious findings in cardiac structure.

27 September 2018 In General Health

OBJECTIVE: A systematic review and meta-analysis to estimate the magnitude of the association between alcohol consumption and the risk of community-acquired pneumonia (CAP) in adults was undertaken.

DESIGN: Systematic review and meta-analysis.

METHODS: Comprehensive searches of Medline, Embase and Web of Science were carried out to identify comparative studies of the association between alcohol intake and CAP between 1985 and 2017. Reference lists were also screened. A random-effects meta-analysis was used to estimate pooled effect sizes. A dose-response meta-analysis was also performed.

RESULTS: We found 17 papers eligible for inclusion in the review, of which 14 provided results which could be pooled. Meta-analysis of these 14 studies identified an 83% increased risk of CAP among people who consumed alcohol or in higher amounts, relative to those who consumed no or lower amounts of alcohol, respectively (relative risk=1.83, 95% CI 1.30 to 2.57). There was substantial between-study heterogeneity, which was attributable in part to differences in study continent, adjustment for confounders and pneumonia diagnosis (clinical vs death). Dose-response analysis found that for every 10-20 g higher alcohol intake per day, there was an 8% increase in the risk of CAP.

CONCLUSIONS: The findings suggest that alcohol consumption increases the risk of CAP. Therefore, strengthening policies to reduce alcohol intake would be likely to reduce the incidence of CAP.

27 September 2018 In Cardiovascular System

BACKGROUND/OBJECTIVES: Low/moderate alcohol consumption seems to be protective against cardiovascular disease (CVD). This study aimed to investigate the association of wine/beer consumption with the 10-year CVD incidence.

SUBJECTS/METHODS: During 2001-2002, 3042 CVD-free adults consented to participate in the ATTICA study; of them 2583 completed the 10-year follow-up (85% participation rate), but precise information about fatal/nonfatal CVD incidence (myocardial infarction, angina pectoris, cardiac ischemia, heart failure, chronic arrhythmias, and stroke) was available in 2020 participants (overall retention rate 66%). Alcohol/ethanol intake and the alcoholic beverages consumed were assessed; participants were categorized into three groups (no use; 1 glass/week).

RESULTS: Alcohol drinking was reported by 56% of the participants who did not develop a CVD event and 49% of those who had (p = 0.04); whereas ethanol intake was 14 +/- 16 g among those who did not had an event vs. 21 +/- 18 g among those who had a CVD event (p < 0.001). A strong inverse and similar association between low wine/beer intake (20 g/day had CVD-risk HRs (95% CI) of 0.60 (0.40-0.98), 1.22 (0.60-1.14), and 1.81 (0.70-4.61), respectively.

CONCLUSIONS: This study revealed similar results of low wine/beer consumption against CVD incidence, mainly due to its implication on low-grade chronic inflammation.

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