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  • Title: Control of renal perfusion and function in congestive heart failure.
    Author: Hollenberg NK.
    Journal: Am J Cardiol; 1988 Sep 09; 62(8):72E-75E. PubMed ID: 3414540.
    Abstract:
    The force that shaped the evolution of the kidney, anatomically and functionally, has been defense of extracellular fluid volume. Similarly, the role of the renin-angiotensin-aldosterone system in normal physiology involves volume homeostasis rather than blood pressure control. When a volume deficit occurs, e.g., by restriction of sodium intake or through hemorrhage, a substantial part of the renal vasoconstriction that occurs is due to angiotensin II. In this context, the renal response to congestive heart failure resembles the response to a volume deficit, with angiotensin-mediated renal vasoconstriction contributing to the decrease in blood flow, glomerular filtration rate and to sodium retention. Thus, converting-enzyme inhibition improves renal perfusion and function, including sodium, potassium, magnesium and water handling, as a major part of its therapeutic contribution in congestive heart failure.
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