Dataset Information

Moderate alcohol intake reduces risk of ischemic stroke in Korea.

ABSTRACT:

Objective

We undertook a population-based, case-control study to examine a dose-response relationship between alcohol intake and risk of ischemic stroke in Koreans who had different alcoholic beverage type preferences than Western populations and to examine the effect modifications by sex and ischemic stroke subtypes.

Methods

Cases (n = 1,848) were recruited from patients aged 20 years or older with first-ever ischemic stroke. Stroke-free controls (n = 3,589) were from the fourth and fifth Korean National Health and Nutrition Examination Survey and were matched to the cases by age (±3 years), sex, and education level. All participants completed an interview using a structured questionnaire about alcohol intake.

Results

Light to moderate alcohol intake, 3 or 4 drinks (1 drink = 10 g ethanol) per day, was significantly associated with a lower odds of ischemic stroke after adjusting for potential confounders (no drinks: reference; <1 drink: odds ratio 0.38, 95% confidence interval 0.32-0.45; 1-2 drinks: 0.45, 0.36-0.57; and 3-4 drinks: 0.54, 0.39-0.74). The threshold of alcohol effect in women was slightly lower than that in men (up to 1-2 drinks in women vs up to 3-4 drinks in men), but this difference was not statistically significant. There was no statistical interaction between alcohol intake and the subtypes of ischemic stroke (p = 0.50). The most frequently used alcoholic beverage was one native to Korea, soju (78% of the cases), a distilled beverage with 20% ethanol by volume.

Conclusions

Our findings suggest that light to moderate distilled alcohol consumption may reduce the risk of ischemic stroke in Koreans.

SUBMITTER: Lee SJ

PROVIDER: S-EPMC4664129 | biostudies-literature | 2015 Dec

REPOSITORIES: biostudies-literature

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Publications

Moderate alcohol intake reduces risk of ischemic stroke in Korea.

Lee Soo Joo SJ Cho Yong-Jin YJ Kim Jae Guk JG Ko Youngchai Y Hong Keun-Sik KS Park Jong-Moo JM Kang Kyusik K Park Tai Hwan TH Park Sang-Soon SS Lee Kyung Bok KB Cha Jae Kwan JK Kim Dae-Hyun DH Lee Jun J Kim Joon-Tae JT Lee Juneyoung J Lee Ji Sung JS Jang Myung Suk MS Han Moon-Ku MK Gorelick Philip B PB Bae Hee-Joon HJ

Neurology 20151030 22

<h4>Objective</h4>We undertook a population-based, case-control study to examine a dose-response relationship between alcohol intake and risk of ischemic stroke in Koreans who had different alcoholic beverage type preferences than Western populations and to examine the effect modifications by sex and ischemic stroke subtypes.<h4>Methods</h4>Cases (n = 1,848) were recruited from patients aged 20 years or older with first-ever ischemic stroke. Stroke-free controls (n = 3,589) were from the fourth ...[more]

PMID: 26519539

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Project description:ImportanceGuidelines recommend that all risk factors for early-onset atrial fibrillation, including lifestyle factors, be proactively managed, considering the poor prognosis of the disease. Not much is known about the association of cumulative alcohol intake with the risk of atrial fibrillation in young adults aged 20 to 39 years, especially among heavy drinkers.ObjectiveTo explore the association of alcohol consumption with the risk of incident atrial fibrillation in young adults.Design, setting, and participantsUsing the National Health Insurance Service database, a nationwide population-based cohort study of adults aged 20 to 39 years without prior atrial fibrillation who underwent 4 serial annual health examinations between 2009 and 2012 was conducted. The cumulative alcohol consumption burden over 4 years was calculated by assigning 1 point to more than moderate drinking (≥105 g of alcohol per week) each year. Additionally, a semiquantitative cumulative burden was calculated by assigning 0, 1, 2, and 3 points to non, mild (<105 g per week), moderate (105-210 g per week), and heavy (≥210 g per week) drinking, respectively. Data were analyzed from May to June 2021.ExposureAmount of alcohol intake in 4 years.Main outcomes and measuresThe primary outcome was incident atrial fibrillation during the follow-up period.ResultsA total of 1 537 836 participants (mean [SD] age 29.5 [4.1] years, 1 100 099 [71.5%] male) were included in the final analysis. According to the 4-year cumulative burden of alcohol consumption stratified by moderate to heavy drinking, 889 382 participants (57.8%) were in the burden 0 group, 203 374 participants (13.2%) in the burden 1 group, 148 087 participants (9.6%) in the burden 2 group, 144 023 participants (9.4%) in the burden 3 group, and 152 970 participants (9.9%) in the burden 4 group. During a median (IQR) follow-up of 6.13 (4.59-6.48) years, atrial fibrillation was newly diagnosed in 3066 participants (0.36 per 1000 person-years). Participants with a cumulative burden of 4 points who continued more than moderate drinking for 4 years showed a 25% higher risk of atrial fibrillation compared with 0-point participants who kept non-to-mild drinking over 4 years (adjusted HR, 1.25; 95% CI, 1.12-1.40). In a semiquantitative analysis, participants who sustained heavy drinking for 4 consecutive years were associated with a 47% higher atrial fibrillation risk than those who remained nondrinkers over 4 years (aHR, 1.47, CI 1.18-1.83).Conclusions and relevancePersistent moderate to heavy drinking and higher cumulative alcohol consumption burden might increase the risk of atrial fibrillation even in young adults aged 20 to 39 years.

Project description:BackgroundThere is inconsistent evidence on the association of moderate alcohol consumption and stroke risk in the general population and is not well studied among U.S. Veterans. Furthermore, it is unclear whether primarily drinking beer, wine, or liquor is associated with a difference in stroke risk.MethodsThe study included 185,323 Million Veteran Program participants who self-reported alcohol consumption on the Lifestyle Survey. Moderate consumption was defined as 1-2 drinks/day and beverage preference of beer, wine or liquor was defined if ≥ 50% of total drinks consumed were from a single type of beverage. Strokes were defined using ICD-9 and ICD-10 codes from the participants' electronic health record.ResultsThe mean (sd) age of the sample was 64 (13) years and 11% were women. We observed 4,339 (94% ischemic; 6% hemorrhagic) strokes over a median follow-up of 5.2 years. In Cox models adjusted for age, sex, race, education, income, body mass index, smoking, exercise, diet, cholesterol, prevalent diabetes, prevalent hypertension, lipid-lowering medication, antihypertensive medication, and diabetes medication, moderate alcohol consumption (1-2 drinks/day) was associated with a 22% lower risk of total stroke compared with never drinking [Hazards ratio (HR) 95% confidence interval (CI): 0.78 (0.67, 0.92)]. When stratifying by stroke type, we observed a similar protective association with moderate consumption and ischemic stroke [HR (95% CI): 0.76 (0.65, 0.90)], but a non-statistically significant higher risk of hemorrhagic stroke [HR (95% CI): 1.29 (0.64, 2.61)]. We did not observe a difference in ischemic or hemorrhagic stroke risk among those who preferred beer, liquor or wine vs. no beverage preference. When stratifying by prior number of hospital visits (≤ 15, 16-33, 34-64, ≥ 65) as a proxy for health status, we observed attenuation of the protective association with greater number of visits [HR (95% CI): 0.87 (0.63, 1.19) for ≥ 65 visits vs. 0.80 (0.59, 1.08) for ≤ 15 visits].ConclusionsWe observed a lower risk of ischemic stroke, but not hemorrhagic stroke with moderate alcohol consumption and did not observe substantial differences in risk by beverage preference among a sample of U.S. Veterans. Healthy user bias of moderate alcohol consumption may be driving some of the observed protective association.

Dataset Information

Moderate alcohol intake reduces risk of ischemic stroke in Korea.

Objective

Methods

Results

Conclusions

Publications

Moderate alcohol intake reduces risk of ischemic stroke in Korea.

Similar Datasets

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