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Metabolic Acidosis of Chronic Kidney Disease and Cardiovascular Disorders
Simona STANCU, Gabriel MIRCESCU, Andreea MOCANU, Cristina CAPUSA and Gabriel STEFAN
ABSTRACT
The burden of chronic diseases, which include both cardiovascular diseases (CVD) and chronic kidney disease (CKD), is constantly growing worldwide. Moreover, bidirectional links between kidney and heart disorders are commonly recognized and the pathogenesis of these interactions is a matter of current interest in medicine. One remarkable aspect, extensively showed by epidemiological studies, is the very high prevalence of CVD in patients with CKD, up to thirty times higher than in the general population. Since the traditional cardiovascular risk factors cannot solely account for this difference, numerous abnormalities due to the decline in glomerular filtration rate were hypothesized to be involved as non-traditional risk factors for CVD. Among them, the metabolic acidosis frequently seen in advanced CKD was studied, but conflicting results were reported. Therefore, we intend to briefly summarize the current knowledge and points of controversy regarding the possible influence of CKD-related chronic metabolic acidosis on cardiovascular diseases.
Keywords: acidosis, bicarbonate, cardiovascular disease, chronic kidney disease, vascular calcifications.