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Cutting Back on Booze May
Lower Blood Pressure
NEW YORK (Reuters Health) - People
may be able to bring down their blood pressure by drinking less
alcohol, according to a report in the November issue of Hypertension.
Alcohol consumption carries an increased risk of high blood pressure,
or hypertension, the researchers explain, but previous studies
have not demonstrated conclusively whether reduced consumption
results in a lowering of blood pressure.
Dr. Jiang He from Tulane University School of Public Health and
Tropical Medicine in New Orleans, Louisiana and colleagues analyzed
15 published studies to examine the effects of alcohol reduction
on blood pressure.
``To our knowledge,'' the authors write, ``this is the first
systematic overview of clinical trials that have investigated
the effect of alcohol reduction on blood pressure.''
Alcohol consumption fell by 16% to 100% in the studies, with
a median decrease of 76%, the authors report. Nine of the 15 trials
showed significant drops in systolic blood pressure, which is
the top number in a blood pressure reading. Average changes ranged
from ``1.0 to 6.3 mm Hg,'' the report indicates.
Diastolic blood pressure--the lower number--declined significantly
in eight trials, the researchers note.
All 15 trials showed at least a trend of declining systolic and
diastolic blood pressure with reduced alcohol consumption, the
investigators found.
A pooled estimate of the effect of alcohol reduction showed that
it reduced systolic blood pressure an average of 3.31 mm Hg and
brought down diastolic blood pressure by 2.04 mm Hg.
The greatest drop in blood pressure was seen among patients with
the highest blood pressure before treatment and those who cut
their alcohol consumption the most.
``In summary,'' the authors conclude, ``our findings indicate
that a reduction in alcohol intake among heavy drinkers significantly
reduces systolic and diastolic blood pressure.''
``Our findings are mainly based on experience from men,'' He
told Reuters Health. ``However, observational epidemiology studies
have demonstrated a similar relationship between alcohol consumption
and blood pressure in men and women. There is no reason to believe
that there is any difference in the effects of alcohol reduction
on blood pressure between male and female patients.
``Alcohol reduction should be considered as an important lifestyle
modification approach for the prevention and treatment of hypertension
among heavy alcohol drinkers,'' He concluded.
SOURCE: Hypertension 2001;38:1112-1117.
Reference
Source 89
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