Study of Mitral Annular Calcification in Chronic Kidney Disease

Abstract

A case control study was conducted on prevalence of MAC in chronic kidney disease patients compared to subjects with normal kidney function. After obtaining ethical committee clearance, 102 CKD patients and 100 non CKD subjects comparable in age and sex distribution were selected randomly. After recording clinical data, blood investigations and ultrasonographic study, echocardiogram was done in all to look for MAC Results on analysis showed significantly high MAC in CKD patients. Among 102 CKD patients 10 (9.8%) had MAC while only one(1%) had MAC in non CKD group. Among 10 who had MAC in CKD group, 6 (60%) were in 40 to 60 age group and 4 (40%) were in above 60 age group. In non CKD group MAC was present only in an elderly female. In CKD patients MAC occurs even in younger age group. Significant association of high levels of calcium, phosphorus and calcium x phosphorus product with MAC was also noticed in the study. Increased MAC in CKD patients may be due to altered calcium and phosphorus metabolism in them. CAD was significantly high in those with MAC which may be due to the burden of shared risk factors for atherosclerosis in both groups

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