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Evolution of the neurohormonal hypothesis to explain the progression of chronic heart failure


Evolution of the neurohormonal hypothesis to explain the progression of chronic heart failure



European Heart Journal 16 Suppl F: 4-6



ISSN/ISBN: 0195-668X

PMID: 8521884

DOI: 10.1093/eurheartj/16.suppl_f.4

During the last 20 years, physicians have generally regarded heart failure as a haemodynamic disorder in an attempt to explain patients' symptoms and disability. This model led to the widespread evaluation of peripheral vasodilators and the development of novel positive inotropic agents, but long-term use of these drugs failed to improve symptoms and was frequently accompanied by an increase in the risk of death. These clinical observations raised concerns about the validity of the haemodynamic hypothesis and led to the development of alternative models of heart failure--most importantly, the neurohormonal hypothesis. According to the neurohormonal model, heart failure develops and progresses because endogenous neurohormonal systems that are activated by the initial injury to the heart exert a deleterious effect on the circulation. Recognition of the importance of neurohormonal activation has led to the intense interest in the use of neurohormonal antagonists--converting--enzyme inhibitors and beta-adrenergic blockers--in the treatment of chronic heart failure. The results of randomized clinical trials with a variety of neurohormonal antagonists have been encouraging, and widespread acceptance of these drugs is expected to lead to clinical benefits for many patients.

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Accession: 008646672

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Related references

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