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Impact of olmesartan on blood pressure, endothelial function, and cardiovascular outcomes

Eduardo Pimenta1, Suzanne Oparil

  • 1Endocrine Hypertension Research Centre and Clinical Centre of Research Excellence in Cardiovascular Disease and Metabolic Disorders, University of Queensland School of Medicine, Princess Alexandra Hospital, Brisbane, Queensland, Australia;

Integrated Blood Pressure Control
|September 28, 2011
PubMed

Insights

Endothelial dysfunction is linked to hypertension and cardiovascular disease. Renin-angiotensin-aldosterone system blockers, like olmesartan, may offer benefits beyond blood pressure reduction, potentially improving vascular health.

Area of Science:

  • Cardiovascular Science
  • Vascular Biology
  • Pharmacology

Background:

  • The vascular endothelium plays a crucial role in regulating circulation through vasoactive substances.
  • Endothelial dysfunction is implicated in hypertension, atherosclerosis, and cardiovascular events.
  • The causal relationship between endothelial dysfunction and hypertension remains unclear.

Purpose of the Study:

  • To investigate the role of endothelial dysfunction in hypertension.
  • To evaluate the vasoprotective effects of renin-angiotensin-aldosterone system (RAAS) blockers, specifically olmesartan, independent of blood pressure reduction.

Main Methods:

  • Review of existing literature on endothelial function, hypertension, and RAAS blockers.
  • Analysis of studies examining the pleiotropic effects of olmesartan on vascular health.

Main Results:

  • RAAS blockers demonstrate improvements in endothelial function and possess vascular, metabolic, cardiac, and renoprotective effects independent of blood pressure lowering.
  • Olmesartan effectively reduces blood pressure and exhibits vasoprotective properties, including mitigating endothelial dysfunction, inflammation, microalbuminuria, and vascular remodeling.

Conclusions:

  • Olmesartan shows promise for vasoprotection beyond its antihypertensive effects.
  • Further large-scale, long-term studies are required to confirm the independent vasoprotective actions of olmesartan and their impact on cardiovascular outcomes.

Keywords:
cardiovascular outcomesendothelial functionhypertensionolmesartan

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