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Published on: July 3, 2013
Adaptation of renal function in heart failure.
Konstantinos P Makaritsis1, Vassilios Liakopoulos, Konstantinos Leivaditis
1Department of Internal Medicine, School of Medicine, University of Thessaly, Larissa, Greece.
Renal Failure
|October 20, 2006
Summary
Congestive heart failure (CHF) is a growing cardiovascular concern with a poor prognosis. This review details how the kidney, though intact, maladaptively contributes to CHF progression through altered hemodynamic and neurohormonal functions.
Area of Science:
- Cardiology
- Nephrology
- Physiology
Background:
- Congestive heart failure (CHF) incidence and prevalence are rising in industrialized nations.
- Despite advances, CHF prognosis remains poorer than many cancers.
- The kidney is significantly impacted by compromised cardiac function and contributes to CHF development.
Purpose of the Study:
- To review the mechanisms of renal adaptation in heart failure.
- To elucidate the kidney's dual role in CHF pathophysiology.
- To explain how initially homeostatic renal mechanisms become maladaptive in CHF.
Main Methods:
- Literature review of mechanisms involved in renal adaptation to heart failure.
- Analysis of hemodynamic and neurohormonal abnormalities in CHF.
- Examination of the kidney's role in sodium and water balance during CHF.
Main Results:
- The kidney plays a critical role in CHF, influencing its pathophysiology, presentation, and prognosis.
- Neurohormonal and hemodynamic changes characterize CHF, with the kidney central to these alterations.
- Initially adaptive renal responses, such as renin-angiotensin-aldosterone system activation and sodium/water retention, become detrimental in CHF.
Conclusions:
- Understanding renal adaptation mechanisms in CHF is crucial for improving patient outcomes.
- The kidney's contribution to CHF is complex, involving both direct effects of cardiac compromise and altered extrarenal stimuli.
- Targeting maladaptive renal responses may offer new therapeutic strategies for managing congestive heart failure.
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