[Treatment of hypertension in patients with coronary arterial disease]

Area of Science:

• Cardiology
• Public Health
• Epidemiology

Background:

• Reliable data on blood pressure and coronary heart disease (CHD) risk comes from randomized controlled trials and prospective observational studies.
• Evidence indicates a strong, continuous association between blood pressure and CHD, even at systolic levels below 115 mm Hg.

Purpose of the Study:

• To review the association between blood pressure and coronary heart disease (CHD).
• To evaluate the benefits of blood pressure reduction on CHD events and stroke.
• To assess the consistency of this association across diverse populations and demographics.

Main Methods:

• Analysis of randomized controlled trials and prospective observational studies.
• Review of evidence on the impact of blood pressure reduction on CHD events.
• Examination of data across different age groups, sexes, and geographical regions.

Main Results:

• A 10 mm Hg reduction in systolic blood pressure is associated with a one-fifth reduction in CHD events in individuals aged 60-69.
• The association between blood pressure and CHD is consistent across all regions, sexes, and for severe events like stroke and myocardial infarction.
• Different classes of blood pressure-lowering drugs demonstrate similar benefits, offering approximately a one-fifth reduction in CHD risk.

Conclusions:

• The relative benefit of blood pressure reduction for CHD prevention is constant across diverse populations.
• Significant benefits are observed with blood pressure reduction below traditional thresholds (140/90 mm Hg), particularly in high-risk individuals.
• Prioritizing cautious, maximally tolerated blood pressure reduction is more critical than the initial choice of antihypertensive medication.