Hypertension and borderline isolated systolic hypertension increased the risk of total cardiovascular disease (RR 1.92; 95% CI 1.70-2.18 and RR 1.32; 95% CI 1.09-1.59, respectively) in US men.
Cohort (n=18,682)
Effect estimate: RR 1.92 (95% CI 1.70 to 2.18)
BACKGROUND: The objective of this study was to examine whether definite hypertension and borderline isolated systolic hypertension predict subsequent cardiovascular disease and mortality. METHODS AND RESULTS: This was a prospective cohort study with a mean follow-up of 11.7 years. The subjects were a group of 18,682 apparently healthy US men, aged 40 to 84 years, participating in the Physicians' Health Study, a randomized trial of low-dose aspirin and beta-carotene. The main outcome measures were total cardiovascular disease, myocardial infarction, stroke, cardiovascular death, and all-cause mortality. Hypertension was associated with substantially increased risks of total cardiovascular disease (relative risk RR 1.92; 95% confidence interval CI, 1.70 to 2.18), myocardial infarction (RR,1.78; 95% CI, 1.49 to 2.13), stroke (RR, 2.19; 95% CI, 1.78 to 2.69), and cardiovascular death (RR, 2.10; 95% CI, 1.68 to 2.63). Borderline isolated systolic hypertension was associated with significantly increased risks of cardiovascular disease (RR, 1.32; 95% CI, 1.09 to 1.59), stroke (RR, 1.42; 95% CI, 1.04 to 1.93), and cardiovascular death (RR, 1.56; 95% CI, 1.13 to 2.15), as well as a possible but non-significant increased risk of myocardial infarction (RR, 1.26; 95% CI, 0.95 to 1.67). Hypertension and borderline isolated systolic hypertension were associated with significantly increased risks of 41% and 22%, respectively, for all-cause mortality. CONCLUSIONS: Hypertension as well as borderline isolated systolic hypertension are associated with elevated risks of cardiovascular diseases, especially stroke and cardiovascular death. Hypertension is associated with an increased risk of myocardial infarction, and borderline isolated systolic hypertension predicts a possible but more modest increase in risk. These data add to the existing evidence that hypertension is a major cardiovascular risk factor and extend the findings to borderline isolated systolic hypertension.
O’Donnell et al. (Tue,) conducted a cohort in Hypertension and borderline isolated systolic hypertension (n=18,682). Hypertension and borderline isolated systolic hypertension was evaluated on Total cardiovascular disease (RR 1.92, 95% CI 1.70 to 2.18). Hypertension and borderline isolated systolic hypertension increased the risk of total cardiovascular disease (RR 1.92; 95% CI 1.70-2.18 and RR 1.32; 95% CI 1.09-1.59, respectively) in US men.
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