Previous research has suggested that regular heavy drinking increases the risk for ischemic stroke, but other studies have linked light to moderate alcohol intake to a decreased risk.
Alcohol recommendations
"The evidence on heavy drinking is consistent," senior investigator Murray Mittleman, MD, from Harvard Medical School in Boston, Massachusetts, said in a news release. "Both in the long and short term it raises stroke risk, but we're finding it's more complicated with light to moderate drinking," he said.
The preliminary findings are published online July 15 in?Stroke.
In this multicenter study, investigators interviewed 390 stroke patients about 3 days after hospitalization. The researchers used a case-crossover approach to compare alcohol consumption in the hour before stroke symptoms with the frequency of use during the past year.
They found that 64% of patients drank alcohol the year before their stroke. Some of these patients (27%) drank within 24 hours of their symptoms, and some patients (3.6%) had had a drink within 1 hour of stroke.
The researchers, led by Elizabeth Mostofsky, MPH, also at Harvard, report that the relative risk for stroke in the hour after drinking was 2.3 (95% confidence interval, 1.4 - 4.0;?P?= .002). They report that the relative risks were similar for different types of alcoholic beverages.
Drinking Alcohol Temporarily Heightens Stroke RiskOriginally from: http://www.nursinglink.monster.com/news/articles/15367-drinking-alcohol-temporarily-heightens-stroke-risk
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