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Current perspectives on hydralazine and nitrate therapies in heart failure
Robert T Cole1, Divya Gupta1, Javed Butler1
1Division of Cardiology, Emory University, 1365 Clifton Road Northeast, Atlanta, GA 30322, USA.
Insights
Hydralazine/isosorbide dinitrate (H+ISDN) therapy, originating from the V-HeFT I trial, offers benefits beyond vasodilation, potentially through nitroso-redox balance. This effective heart failure treatment remains underutilized, necessitating improved education.
Area of Science:
- Cardiology
- Pharmacology
- Heart Failure Management
Background:
- The hydralazine/isosorbide dinitrate (H+ISDN) combination therapy's origins trace back to the V-HeFT I clinical trial.
- Initially prescribed for balanced vasodilation, its mechanism of action is now understood to involve nitroso-redox balance maintenance.
Purpose of the Study:
- To re-evaluate the established benefits of H+ISDN in heart failure management.
- To highlight the underutilization of H+ISDN therapy despite its proven efficacy.
Main Methods:
- Review of the V-HeFT I trial and subsequent research on H+ISDN.
- Analysis of the pharmacological mechanisms, including nitroso-redox balance.
Main Results:
- H+ISDN therapy provides benefits beyond simple vasodilation.
- Despite decades of research and established efficacy, H+ISDN remains significantly underutilized in clinical practice.
Conclusions:
- The nitroso-redox balance may be the key mechanism driving H+ISDN's benefits in heart failure.
- Enhanced physician and patient education is crucial to increase the appropriate use of H+ISDN therapy.
Abstract:
The origins of the hydralazine/isosorbide dinitrate (H+ISDN) combination therapy are rooted in the first large-scale clinical trial in heart failure: V-HeFT I. Initially utilized for the balanced vasodilatory properties of each drug, we now know there is "more to the story." In fact, the maintenance of the nitroso-redox balance may be the true mechanism of benefit. Since the publication of V-HeFT I 30 years ago, H+ISDN has been the subject of much discussion and debate. Regardless of the many controversies surrounding H+ISDN, one thing is clear: therapy is underutilized and many patients who could benefit never receive the drugs. Ongoing physician and patient education are mandatory to improve the rates of H+ISDN use.
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