Acute Decompensation of Chronic Cardiac Failure in Elderly and Senile Persons: Focus on Renal Dysfunction

Abstract

The heart and kidneys, as well as their synergy, are necessary conditions for maintaining hemodynamic homeostasis in the human body. Since the beginning of the 19th century, it has been recognized that cardiovascular and renal diseases often coexist and have a mutually aggravating effect on each other. During the aging process, involutive changes in organs and body systems, especially the cardiovascular and urinary systems, lead to many physiological and functional changes that can increase the risk of developing acute complications, including acute decompensation of chronic heart failure (CHF). The prevalence of CHF is increasing among the population of older age groups all over the world, which is explained not only by involutive changes in the cardiovascular system of the body, but also by the high frequency of concomitant diseases, in particular chronic kidney disease. Age-related changes in the urinary system also play an important role in maintaining homeostasis of the body, however, during the aging process, along with a decrease in the number of nephrons, a decrease in the concentration function of the kidneys is observed, as well as a change in their structural integrity. These involutive changes in renal tissue may complicate the diagnosis and treatment of conditions associated with acute decompensation of CHF. Therefore, consideration of age-related changes in the cardiovascular and urinary systems and their contribution to the development of acute decompensation of CHF represents an important area for further research and practical applications aimed at improving medical care and quality of life in older people. The review article examines scientific literature data on cardiorenal relationships in acute decompensation of chronic heart failure in elderly and senile people.