Cardiac conduction defects associated with aortic and mitral valve calcification in dialysis patients |
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Authors: | S W Shurmur J A D'Elia R E Gleason R W Nesto R A DeSilva L A Weinrauch |
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Affiliation: | Department of Cardiology, New England Deaconess Hospital, Boston, Massachusetts. |
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Abstract: | The prevalence of aortic valve and mitral valve or mitral annular calcification by echocardiography was studied in 66 dialysis patients and correlated with results of 24-h ambulatory and resting ECG data and 12-month survival. The well-known association of mitral valve or mitral annular calcification with cardiac conduction defects was confirmed. Those patients with mitral valve or mitral annular calcification demonstrated a higher prevalence of first-degree atrioventricular block and bundle branch block. Despite advanced age and these conduction defects, those patients with mitral valvular calcification did not show decreased survival at 12 months. |
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