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Cardiovascular risks associated with diastolic blood pressure and isolated diastolic hypertension

Yan Li1, Fang-Fei Wei, Shuai Wang

  • 1Centre for Epidemiological Studies and Clinical Trials and Center for Vascular Evaluations, Shanghai Key Lab of Hypertension, Shanghai Institute of Hypertension, Ruijin Hospital, Shanghai Jiaotong University School of Medicine, Shanghai, China, liyanshcn@yahoo.com.

Current Hypertension Reports
|September 4, 2014
PubMed

Insights

Diastolic blood pressure is a key risk for coronary heart disease in younger individuals, while systolic blood pressure dominates in older adults. Treating diastolic hypertension is crucial for reducing cardiovascular risk.

Area of Science:

  • Cardiology
  • Public Health

Background:

  • Hypertension is a significant, modifiable risk factor for cardiovascular disease.
  • Current guidelines classify hypertension into isolated diastolic, isolated systolic, and mixed types based on blood pressure thresholds.

Purpose of the Study:

  • To review the association between cardiovascular outcomes and diastolic versus systolic blood pressure.
  • To compare risks associated with isolated diastolic hypertension versus mixed hypertension.
  • To examine the impact of blood pressure measurement methods on these associations.

Main Methods:

  • Review of observational prospective cohort studies and meta-analyses.
  • Inclusion of studies with clinic, home, or 24-hour ambulatory blood pressure monitoring.
  • Review of randomized placebo-controlled trials for diastolic hypertension treatment effects.

Main Results:

  • Blood pressure risks are age-dependent, regardless of measurement method.
  • Diastolic blood pressure and isolated diastolic hypertension are primary drivers of coronary risk in younger populations.
  • Systolic blood pressure is the predominant risk indicator in older individuals.

Conclusions:

  • Diastolic hypertension is a treatable risk factor, as evidenced by risk reduction in randomized trials.
  • Age stratification is essential when assessing cardiovascular risk associated with blood pressure components.
  • Both diastolic and systolic blood pressure components contribute to cardiovascular risk, with varying importance based on age.
Abstract

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