Efficacy of ivabradine in HIV-associated dilated cardiomyopathy
Antonio Mastroianni1, Giuliana Guadagnino1, Valeria Vangeli1
1UOC Malattie Infettive, PO "S.S. Annunziata", Azienda Ospedaliera di Cosenza, Italy.
Insights
Ivabradine effectively improved heart failure symptoms and left ventricular function in an HIV-infected patient with dilated cardiomyopathy. This heart rate-lowering drug offers benefits while noting potential interactions with antiretroviral therapies.
Area of Science:
- Cardiology
- Infectious Diseases
- Pharmacology
Background:
- Chronic heart failure (CHF) with systolic dysfunction affects numerous adults.
- Human Immunodeficiency Virus (HIV) infection can lead to cardiac complications like dilated cardiomyopathy.
- Ivabradine is a heart rate-lowering agent approved for specific CHF populations.
Purpose of the Study:
- To report the beneficial effects of ivabradine in an HIV-infected patient with dilated cardiomyopathy and NYHA class III CHF symptoms.
- To evaluate the impact of ivabradine on clinical parameters, functional capacity, and left ventricular (LV) systolic function.
- To identify potential drug interactions between ivabradine and antiretroviral drugs.
Main Methods:
- Case report of an HIV-infected patient with dilated cardiomyopathy and CHF.
- Administration of ivabradine to manage heart rate and CHF symptoms.
- Assessment of clinical parameters, functional capacity (NYHA class), and LV systolic function.
- Review of potential interactions between ivabradine and concurrent antiretroviral medications.
Main Results:
- Ivabradine improved the patient's functional capacity from NYHA class III.
- Significant enhancement in left ventricular (LV) systolic function was observed.
- Potential clinically significant interactions between ivabradine and antiretroviral drugs were identified, requiring monitoring.
Conclusions:
- Ivabradine demonstrated beneficial effects on clinical parameters and LV systolic function in an HIV-related dilated cardiomyopathy patient.
- The findings support the use of ivabradine in selected HIV-infected patients with CHF.
- Careful consideration and monitoring for drug interactions with antiretroviral agents are essential.
Abstract:
Ivabradine is a pure heart rate-lowering drug that acts directly on the sinus node and does not affect atrioventricular or intraventricular conduction times, myocardial contractility or ventricular repolarization. Ivabradine is used in the treatment of adults with New York Heart Association (NYHA) class II-IV chronic heart failure (CHF) with systolic dysfunction, in sinus rhythm, with a heart rate of ≥75 beats per minute (bpm). This report describes the beneficial effect of ivabradine on clinical parameters in a HIV-infected patient with dilated cardiomyopathy presenting with NYHA class III CHF symptoms. Ivabradine improved functional capacity and left ventricular (LV) systolic function in our patient with HIV-related dilated cardiomyopathy and CHF. This report also lists the summaries of potential clinically significant interaction, likely to require additional monitoring, alteration of drug dosage or timing of administration, between ivabradine and antiretroviral drugs.
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