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May 19, 2009BMJOpen Access

Use of blood pressure lowering drugs in the prevention of cardiovascular disease: meta-analysis of 147 randomised trials in the context of expectations from prospective epidemiological studies

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Why the study?

Do blood pressure lowering drugs reduce cardiovascular disease events in individuals regardless of pretreatment blood pressure or existing cardiovascular disease?

Population

Individuals regardless of pretreatment blood pressure and the presence or absence of existing cardiovascular…

Design

Meta-analysis

Authors

MLM R LawPreventive CardiologyJMJoan K. MorrisSt. George's UniversityNWNicholas WaldPreventive Cardiology

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Implication

Supports age-based BP-lowering therapy regardless of pretreatment BP or CVD history; confirms proportional risk reductions across drug classes in randomized data.

Key Points

  • This research aims to evaluate the effectiveness of various blood pressure lowering drugs in preventing cardiovascular disease based on a meta-analysis of randomized trials.
  • Meta-analysis of 147 randomized trials evaluating blood pressure lowering drugs and their effects on cardiovascular disease events.
  • Comparison of different classes of blood pressure medications, including beta blockers and calcium channel blockers.
  • Analysis focused on the relationship between blood pressure reduction and cardiovascular disease outcomes across diverse populations.
  • Blood pressure lowering drugs showed a similar effect in reducing coronary heart disease (CHD) events and stroke across all treatment groups.
  • No significant pleiotropic effects were observed among the different classes of blood pressure medications.
  • Recommendations can be simplified to offer blood pressure lowering drugs to all individuals above a certain age regardless of initial blood pressure levels.

Structured PICO

Do blood pressure lowering drugs reduce cardiovascular disease events in individuals regardless of pretreatment blood pressure or existing cardiovascular disease?

P
Population
Individuals regardless of pretreatment blood pressure and the presence or absence of existing cardiovascular disease
I
Intervention
Blood pressure lowering drugs (all classes)
O
Outcome
CHD events and stroke (cardiovascular disease events)hard clinical

Blood pressure lowering drugs provide similar proportional reductions in cardiovascular events regardless of baseline blood pressure, suggesting treatment could be offered broadly based on age rather than specific blood pressure thresholds.

Cite This Study

Law et al. (2009) studied this question.

synapsesocial.com/papers/69a1cf185eb5690d3d7148e8https://doi.org/10.1136/bmj.b1665

Topics

Hypertension management
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Also Consider

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