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Related Experiment Videos

Progress in reducing the burden of stroke.

J Chalmers1, N Chapman

  • 1Institute for International Health, University of Sydney, Newtown, New South Wales, Australia. chalmers@iih.usyd.edu.au

Clinical and Experimental Pharmacology & Physiology
|March 21, 2002
PubMed
Summary
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High blood pressure significantly increases stroke risk. Lowering blood pressure, especially with perindopril and indapamide, effectively prevents recurrent strokes and major vascular events.

Area of Science:

  • Neurology
  • Cardiology
  • Public Health

Background:

  • Stroke is a growing global health burden, affecting millions annually.
  • Elevated blood pressure is the primary risk factor for both initial and recurrent strokes.
  • While blood pressure reduction is proven for primary stroke prevention, its efficacy in secondary prevention was less clear.

Purpose of the Study:

  • To evaluate the effectiveness of blood pressure lowering in the secondary prevention of stroke.
  • To assess the impact of perindopril and indapamide combination therapy on recurrent stroke and vascular events.

Main Methods:

  • The Perindopril Protection Against Recurrent Stroke Study (PROGRESS) investigated blood pressure management in patients with prior stroke or TIA.
  • Utilized a randomized clinical trial design to compare treatment effects.

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Main Results:

  • Blood pressure lowering reduced secondary stroke incidence by 28% and major vascular events by 26%.
  • Combining perindopril (an ACE inhibitor) with indapamide (a diuretic) further enhanced these reductions by approximately 50% in a subgroup.
  • Significant reductions were also observed in major coronary events.

Conclusions:

  • Blood pressure lowering is highly effective in the secondary prevention of stroke and other vascular events.
  • Combination therapy with perindopril and indapamide offers substantial benefits for patients with a history of stroke or TIA.
  • Global implementation of this treatment strategy could prevent up to one million strokes annually.