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Hypertension and vascular disease.

A E Doyle1

  • 1Department of Medicine, University of Melbourne, St. Vincent's Hospital, Victoria, Australia.

Journal of Cardiovascular Pharmacology
|January 1, 1992
PubMed
Summary

Antihypertensive drug treatment shifts hypertension complications from heart failure to heart attack and stroke. Current evidence does not show blood pressure reduction prevents atherosclerosis, suggesting cholesterol may be the primary issue.

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Area of Science:

  • Cardiovascular Medicine
  • Hypertension Research
  • Atherosclerosis Studies

Background:

  • Antihypertensive drug treatment has significantly altered the clinical presentation of hypertension.
  • Previously, major complications included congestive heart failure, cerebral hemorrhage, and renal failure.
  • In treated patients, myocardial infarction and thrombotic stroke are now prominent concerns.

Purpose of the Study:

  • To evaluate the impact of antihypertensive drug treatment on the natural history and complications of hypertension.
  • To assess whether reducing blood pressure effectively mitigates atherosclerotic complications.
  • To explore the relationship between hypertension, atherosclerosis, and lipoprotein metabolism.

Main Methods:

  • Review of major therapeutic trials in hypertension.
  • Analysis of experimental animal data on hypertension and atheromatous lesions.
  • Examination of the relationship between serum cholesterol levels and hypertension.

Main Results:

  • Major therapeutic trials have not demonstrated that blood pressure reduction prevents atherosclerotic complications.
  • Hypertension may exacerbate atheromatous lesions in both experimental animals and humans.
  • Atherosclerosis is strongly linked to lipoprotein metabolism disturbances.

Conclusions:

  • The primary lesion in hypertensive patients may be atherosclerosis, with hypertension as a secondary complication.
  • Elevated serum cholesterol is a key factor in atherosclerosis, potentially more so than hypertension itself.
  • Current treatments may shift the manifestation of cardiovascular risk in hypertensive individuals rather than eliminate it.

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