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Published on: April 30, 2020
Pros and Cons of Intensive Systolic Blood Pressure Lowering
Holly Kramer1,2,3, Richard Cooper4
1Department of Public Health Sciences, Loyola University Chicago, 2160 S. First Avenue, Maywood, IL, 60153, USA. hkramer@lumc.edu.
Insights
Intensive systolic blood pressure lowering significantly reduces cardiovascular events and mortality in high-risk adults without diabetes. However, this approach increases the risk of adverse events like electrolyte abnormalities and acute kidney injury.
Area of Science:
- Cardiology
- Public Health
- Clinical Trials
Background:
- The Systolic Blood Pressure Intervention Trial (SPRINT) investigated intensive blood pressure management.
- High cardiovascular risk in adults without diabetes presents a significant public health challenge.
Purpose of the Study:
- To evaluate the impact of intensive systolic blood pressure lowering on cardiovascular events and mortality.
- To assess the associated risks of adverse events with intensive blood pressure management.
Main Methods:
- Analysis of data from the Systolic Blood Pressure Intervention Trial.
- Focus on adult participants with high cardiovascular risk and without diabetes.
Main Results:
- Intensive systolic blood pressure lowering led to significant reductions in cardiovascular events and total mortality.
- This intensive approach was associated with an increased risk of adverse events, including electrolyte abnormalities and acute kidney injury.
Conclusions:
- Intensive systolic blood pressure lowering offers substantial benefits for preventing cardiovascular events and mortality in specific high-risk populations.
- Physicians must carefully weigh the benefits against the increased risks of adverse events when considering this intervention for eligible patients.
Purpose Of Review:
The Systolic Blood Pressure Intervention Trial demonstrated significant decreases in cardiovascular events and total mortality with intensive systolic blood pressure lowering in adults with high cardiovascular risk in the absence of diabetes but benefits were accompanied by increased risk of adverse events.
Recent Findings:
Over 100,000 deaths and 46,000 cases of heart failure may be prevented annually if intensive systolic blood pressure lowering is implemented in 17 million US adults who are age 50 years and older, and have high cardiovascular risk in the absence of diabetes and meet eligibility for the Systolic Blood Pressure Intervention Trial. However, the benefits of intensive SBP lowering will be accompanied by an excess of 43,000 cases of electrolyte abnormalities and 88,000 cases of acute kidney injury. Physicians should consider implementation of intensive systolic blood pressure lowering in appropriate patients who understand the risks and benefits of this intervention.
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