, Volume 8, Issue 2, pp 90-98
Date: 28 Dec 2013

Inotropic agents in older patients with chronic heart failure — Current perspectives

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Until recently, inotropic therapy has been regarded as the most direct remedy for the left ventricular systolic dysfunction that often underlies the development of heart failure. Nevertheless, all the agents with significant inotropic properties that have been evaluated to date (such as beta adrenergic stimulants, phosphodiesterase inhibitors, and high-dose vesnarinone) showed significant increases in mortality with long-term administration. However, it is noteworthy that the participants in trials to evaluate inotropic therapy were not representative of geriatric heart failure patients for age, gender, and comorbidity. Thus, results from these studies must be interpreted cautiously when treatment for chronic heart failure must be applied to elderly subjects. At present, digitalis is the only inotropic agent recommended for long-term treatment, because it improves symptoms and prevents disease progression through neurohormonal and baroreceptor mechanisms; nevertheless, its long-term safety is still undetermined. The role of low-dose vesnarinone, pimobendan and ibopamine, which share neurohormonal, rather than inotropic, mechanisms of action, is still under investigation. Pending the definition of these issues, ACE-inhibitors and diuretics remain the mainstay of therapy for chronic heart failure.

Presented as oral communication at the 3rd European Congress of Gerontology, Madrid 1995.