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Mitral Annular Calcification and Aortic Valve Calcification May Help in Predicting Significant Coronary Artery Disease

Abdi Bozkurt, MD

Murat Çayli, MD

Mesut Demir, MD

Mitral annular calcification (MAC) and aortic valve calcification (AVC) are manifestations of atherosclerosis. To determine whether mitral annular calcification and aortic valve calcification detected by transthoracic echocardiography (TTE) might help in predicting significant coronary artery disease (CAD), 123 patients with significant CAD and 93 patients without CAD detected by coronary angiography were investigated. MAC and AVC identified CAD with a sensitivity and specificity of 60.2%, 55.9% and 74.8%, 52.7%, respectively, and with a negative and a positive predictive values of 51.5%, 64.3% and 61.3% and 67.6%, respectively. The positive predictive value of MAC was greater than gender, hypertension, and hypercholesterolemia. AVC showed a positive predictive value greater than gender, hypertension, family history, and hypercho lesterolemia. The negative predictive values of MAC and AVC for CAD were greater than those of all risk factors except diabetes mellitus. In conclusion, presence of MAC and AVC on TTE may help in predicting CAD and should be added to conventional risk factors. Absence of MVC and AVC is a stronger predictor for absence of CAD than all conventional risk factors, except diabetes mellitus. Patients with MAC and AVC should be taken into consideration for the presence of significant CAD and thereby for diagnostic and therapeutic interventions in order to improve the prognosis.

Angiology, Vol. 54, No. 5, 561-567 (2003)
DOI: 10.1177/000331970305400505


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