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A study of comparative blood pressure measures in predicting risk of coronary heart disease

R H Rosenman, R I Sholtz, R J Brand

    Circulation
    |July 1, 1976
    PubMed

    Insights

    Systolic blood pressure is a stronger predictor of coronary heart disease (CHD) than diastolic pressure in middle-aged men. This finding suggests current clinical practices for assessing hypertension risk should be re-evaluated.

    Area of Science:

    • Cardiovascular Epidemiology
    • Preventive Cardiology
    • Hypertension Research

    Background:

    • Coronary heart disease (CHD) remains a leading cause of mortality worldwide.
    • Blood pressure is a critical risk factor for CHD.
    • Current clinical guidelines often emphasize diastolic blood pressure in risk assessment.

    Purpose of the Study:

    • To compare the predictive strength of different blood pressure measures for CHD.
    • To evaluate systolic, diastolic, mean arterial, and pulse pressure in predicting CHD risk.
    • To inform clinical practices regarding blood pressure assessment for CHD prediction.

    Main Methods:

    • Prospective cohort study involving 3,154 employed men aged 39-59 years.
    • Follow-up period of 8.5 years with 257 incident CHD cases.
    • Multiple logistic regression analysis to assess risk prediction, adjusting for covariates.

    Main Results:

    • Systolic blood pressure demonstrated a stronger association with CHD risk compared to diastolic pressure.
    • The predictive value of systolic pressure was significant across different age groups.
    • Other pressure measures (mean arterial, pulse) also showed associations, but systolic was most prominent.

    Conclusions:

    • The findings challenge the traditional emphasis on diastolic blood pressure for CHD risk assessment.
    • Clinical evaluation of hypertension risk should consider systolic blood pressure more prominently.
    • Reassessment of current guidelines for blood pressure monitoring in cardiovascular risk stratification is warranted.

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