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Pathophysiology of chronic heart failure
1George M. and Linda H. Kaufman Center for Heart Failure, Department of Cardiology, The Cleveland Clinic Foundation, OH 44195, USA.
The American Journal of Medicine
|May 4, 2001
Summary
Heart failure treatment has shifted from a hemodynamic model to a neurohormonal hypothesis. Clinical trials show inhibiting neuroendocrine activation improves outcomes in chronic heart failure.
Area of Science:
- Cardiology
- Translational Medicine
- Pathophysiology
Background:
- Heart failure understanding has evolved from hemodynamic to complex pathophysiology.
- Pathology involves myofilament loss, apoptosis, cytoskeletal changes, and calcium homeostasis disturbances.
Purpose of the Study:
- To describe the paradigm shift in heart failure understanding.
- To highlight the transition from hemodynamic to neurohormonal hypothesis.
Main Methods:
- Review of clinical trials from the past 20 years.
- Analysis of evolving treatment strategies for heart failure.
Main Results:
- The hemodynamic model is now mainly for acute decompensated heart failure.
- Chronic heart failure management is guided by the neurohormonal hypothesis.
- Inhibiting neuroendocrine activation shows long-term benefits.
Conclusions:
- Heart failure is a progressive disorder of left ventricular remodeling.
- Neurohormonal activation drives heart failure progression.
- Clinical trials have significantly advanced understanding of heart failure biology.