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Utilizing Percutaneous Ventricular Assist Devices in Acute Myocardial Infarction Complicated by Cardiogenic Shock
Published on: June 12, 2021
[Management of cardiac failure: a guilty one easy to target!]
1Service de médecine interne générale, HUG, 121 I Genève 14. sandra.bieler@hcuge.ch
Insights
High heart rate increases cardiovascular risk. Ivabradine, a heart rate-lowering medication, has been studied for its effects on cardiovascular outcomes in patients with chronic heart failure.
Area of Science:
- Cardiology
- Pharmacology
Background:
- Beta blockers and ACE inhibitors show benefits in chronic heart failure, potentially due to heart rate reduction.
- Elevated heart rate is linked to cardiovascular morbidity and mortality in various populations, including those with hypertension and heart failure.
Purpose of the Study:
- To explore the role of heart rate-lowering properties in the efficacy of heart failure treatments.
- To review the cardiovascular effects of ivabradine, a specific sino-atrial node If current inhibitor.
Main Methods:
- Discusses the clinical studies BEAUTIFUL and SHIFT, which investigated ivabradine's impact on resting heart rate and cardiovascular outcomes.
- Focuses on ivabradine's mechanism as a selective If current inhibitor without other cardiovascular effects.
Main Results:
- Ivabradine effectively reduces resting heart rate.
- The studies evaluated the impact of this heart rate reduction on cardiovascular outcomes.
Conclusions:
- Heart rate-lowering strategies, exemplified by ivabradine, may offer significant cardiovascular benefits.
- Further understanding of ivabradine's role in managing chronic heart failure is supported by clinical trial data.
Abstract:
The proven benefits of beta blockers and angiotensin converting enzyme (ACE) inhibitors in the treatment of chronic heart failure, could be linked, at least in part, to their heart-rate-lowering properties. The link between a high heart rate and cardiovascular morbidity and mortality has been demonstrated in the general population, as well as in patients with hypertension, coronary artery disease, and chronic heart failure. Ivabradine is a specific inhibitor of the if current in the sino-atrial node, without any other known cardiovascular effect, such as myocardial contraction or intracardiac conduction. The effects of ivabradine on reducing resting heart-rate, and, therefore, cardiovascular outcomes have been studied in two large studies: BEAUTIFUL, and, more recently, SHIFT, both of which are discussed in this article.
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