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High or low dose of angiotensin-converting enzyme inhibitor in patients with left ventricular dysfunction?
1Department of Physiology and Pharmacology, University of Louvain, School of Medicine, Brussels, Belgium.
Insights
High-dose angiotensin-converting enzyme inhibitors are crucial for treating congestive heart failure. Evidence shows increased efficacy and tolerability with higher doses, recommending their use in heart failure patients.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Angiotensin-converting enzyme inhibitors (ACEIs) are standard in congestive heart failure (CHF) treatment.
- Optimal dosing of ACEIs in CHF remains debated, with significant inter-physician and international variations.
Purpose of the Study:
- To evaluate the optimal dosage of ACEIs for patients with congestive heart failure.
- To address the controversy surrounding ACEI dosing in CHF management.
Main Methods:
- Review of objective data and findings from large mortality trials involving ACEIs in heart failure.
- Analysis of drug efficacy relative to dosage.
Main Results:
- ACEI efficacy in heart failure demonstrably increases with higher doses.
- Most patients with heart failure tolerate high doses of ACEIs well, as evidenced in major trials.
Conclusions:
- High-dose ACEIs should be prioritized for heart failure patients.
- Maximize ACEI dosage in CHF unless new evidence suggests otherwise.
Abstract:
Although it is widely accepted that angiotensin-converting enzyme inhibitors have become a cornerstone in the treatment of congestive heart failure, controversy still exists regarding the optimal doses of these drugs to use, and important variations in the daily dose used are seen among different physicians and countries. Nevertheless, objective data indicate that the efficacy of these drugs increases with dose and that most patients with heart failure tolerate the relatively high doses that have been used in large mortality trials. Presently, therefore, and unless new contradictory data become available, every effort should be made to use high doses of angiotensin-converting enzyme inhibitor in heart failure patients.