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Awareness,
treatment and control of hypertension declining
in US. Study points at necessity to follow
response to therapeutic measures.
WESTPORT, Aug 20
(Reuters Health) - In a disturbing trend, the
rates of high blood pressure awareness,
treatment, and control in the US continue to
fall, according to a report to be published in
the September issue of Hypertension: Journal of
the American Heart Association.
Dr. Irene Meissner and colleagues at Mayo Clinic
and Mayo Foundation, Rochester, Minnesota,
interviewed and measured blood pressures in 636
subjects randomly selected for participation in
the Stroke Prevention: Assessment of Risk in a
Community (SPARC) study conducted in Olmsted
County, Minnesota. The population was 94% white.
Overall, Dr. Meissner's team found, an average of
53% of the men and 54% of the women had blood
pressure of 140/90 mm Hg or above, or reported a
history of hypertension.
"The percentage of subjects with treated and
controlled hypertension was 16.6%," the
researchers report. "The proportion of
subjects who had treated but uncontrolled
hypertension was 27.9%. Thirty-nine percent of
subjects were unaware of their hypertensive
status." Physicans who assume that a given
life style modification will always yield the
expected result may find that results are not
always favorable. In some centers follow up blood
pressure check ups are scheduled up to three to
six months without any effective corrective
measures.
The authors compared these results with those of
a 1986 survey of the same population in which
identical blood pressure measurement techniques
were used. In the current study, they note,
"...fewer subjects were aware that they had
high blood pressure, and fewer subjects had their
blood pressure controlled with treatment than in
1986. These differences were consistent for both
genders, all ages, and all blood pressures."
"This study illustrates a disturbingly low
awareness and control of hypertension in a
community that is socioeconomically prosperous,
with easy access to both primary and tertiary
medical care," the research team writes.
Dr. Meissner said that she hopes this report and
the renewed efforts of several national
organizations pushing for more preventive
measures will result in an upswing in
hypertension awareness and treatment. She and her
research team, she reported, are currently trying
to determine whether the blood pressure trends
are matched by increasing rates of coronary heart
disease and stroke.
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