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Blood pressure load and target organ effects in patients with essential hypertension

W B White1

  • 1Section of Hypertension and Vascular Diseases, University of Connecticut School of Medicine, Farmington 06030.

Journal of Hypertension. Supplement : Official Journal of the International Society of Hypertension
|December 1, 1991
PubMed

Insights

Ambulatory blood pressure load, a measure of elevated readings over 24 hours, better predicts heart and blood vessel damage than average blood pressure. This chronic pressure overload is key in hypertensive disease.

Area of Science:

  • Cardiology
  • Hypertension Research
  • Vascular Medicine

Background:

  • Ambulatory blood pressure load quantifies chronic pressure overload.
  • This overload is linked to myocardial and vascular damage in hypertension.
  • Current definitions involve percentages or integrated areas above specific thresholds.

Purpose of the Study:

  • To evaluate ambulatory blood pressure load as a determinant of hypertensive cardiovascular and vascular abnormalities.
  • To compare its predictive value against casual and mean ambulatory blood pressure.

Main Methods:

  • Analysis of 24-hour ambulatory blood pressure monitoring data.
  • Calculation of blood pressure load using percentage and integrated area methods.
  • Correlation with cardiac and vascular abnormalities in hypertensive patients.

Main Results:

  • Blood pressure load, whether as a percentage (mild hypertension) or integrated area (moderate/severe hypertension), is a superior predictor.
  • It demonstrates a stronger association with cardiac and vascular damage compared to casual or mean blood pressure.
  • This parameter reflects the cumulative burden of elevated blood pressure.

Conclusions:

  • Ambulatory blood pressure load is a more effective marker for assessing hypertensive end-organ damage.
  • Its assessment provides critical insights into the long-term impact of elevated blood pressure.
  • Clinical evaluation should consider blood pressure load for comprehensive hypertension management.

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