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Title: Secondary hyperparathyroidism and cardiorenal syndrome type iv: Etiopathogenesis, clinical significance and treatment
Authors: Labudovic T.
Nedeljković B.
Petrovic, Dejan
Poskurica, Mileta
Issue Date: 2014
Abstract: © 2014, Serbian Medical Society. All rights reserved. Cardiorenal syndrome is a psychophysical disorder of the functions of the heart and kidneys, where the acute or chronic disorder of the functioning of one organ causes the acute or chronic disorder of the functioning of the other organ. In the type 4 of the cardiorenal syndrome (chronic renocardial syndrome), the deficiency of the vitamin D and the secondary hyperparathyroidism cause a disorder of the functioning of the heart and kidneys. The goal of this work is to analyze the risk factors, pathogenetic mechanisms of the development of the secondary hyperparathyroidism and to point out the clinical importance of its early detection and timely treatment. Works written by experts have been examined, as well as the clinical studies researching etiopathogenesis, diagnostics and treatment of secondary hyperparathyroidism. In the chronic kidney disease (stadiums 2 and 3), adaptation mechanisms are activated, while the concentration of FGF-23 and the concentration of parathyroid in the serum both increase. These hormones increase the fractional excretion of the phosphates within the kidney, while parathyroid releases the calcium from the bone tissue, therefore maintaining the concentration of calcium and phosphates in the serum within the normal range. The kidneys' loss of ability to create active vitamin D metabolites and excrete phosphate out of the organism significantly contributes to the development and progress of type 4 cardiorenal syndrome. The main clinical consequences of the secondary hyperparathyroidism are the high turnover bone disease, vascular and valvular calcification and the development of heart diseases. Modern treatment includes the use of phosphate binders that not contain calcium, new vitamin D metabolites and the use of calcimimetics. The early diagnosis and optimal control of secondary hyperparathyroidism prevent the progress of the chronic kidney disease and the development of cardiovascular diseases, reduce the rate of cardiovascular morbidity and mortality and improve the patients' quality of life.
Type: article
DOI: 10.5937/mckg48-4232
ISSN: 0350-1221
SCOPUS: 2-s2.0-84943618002
Appears in Collections:Faculty of Medical Sciences, Kragujevac

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