DOC News May 1, 2006
Volume 3 Number 5 p. 13
© 2006 American Diabetes Association
Risks of Prehypertension
People with high blood pressuredefined as
140/80 mmHgare
more likely to suffer cardiovascular disease (CVD). But little is known about
the dangers of prehypertension, a newly defined category in which the upper
number is 120139 mmHg or the lower number is 8089
mmHg.
In a recent issue of Hypertension, a group of researchers
described a study of the effects of prehypertension, diabetes, and the
combination of the two on the risk of CVD. The study included 2,629 people
participating in the Strong Heart Study, a long-term project examining CVD in
American Indian communities in Oklahoma, Arizona, and North and South Dakota.
Participants provided detailed health information in an interview, had a
physical exam, and had blood drawn for lab tests. They were followed for 12
years.
Analysis revealed that people with prehypertension alone were almost twice
as likely to develop CVD, while those with diabetes alone were almost three
times more likely to develop CVD compared with those without the conditions.
People with both prehypertension and diabetes were nearly four times more
likely to develop CVD than those without either condition.
Further research on the benefits of more aggressive treatment of
prehypertension is needed, the authors conclude.
Zhang Y, Lee ET, Devereux RB, et al.: Prehypertension,
diabetes, and cardiovascular disease risk in a population-based sample: The
Strong Heart Study. Hypertension 47: 410414, 2006[Abstract/Free Full Text]
.

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