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  • Title: Carotid intima-media thickness, carotid distensibility and mitral, aortic valve calcification: a useful diagnostic parameter of systemic atherosclerotic disease.
    Author: Sgorbini L, Scuteri A, Leggio M, Gianni W, Nevola E, Leggio F.
    Journal: J Cardiovasc Med (Hagerstown); 2007 May; 8(5):342-7. PubMed ID: 17443100.
    Abstract:
    BACKGROUND: Mitral (MAC) and aortic (AVC) calcification are observed more frequently in the elderly and are associated with coronary artery disease, aortic atheroma and peripheral arterial atherosclerotic disease. Common carotid intima-media thickness (cIMT) and distensibility (cDIST) are also independent predictors of adverse cardiovascular outcomes. We examined the relationship between the degree of MAC-AVC and cIMT and cDIST. METHODS AND RESULTS: One hundred and forty-three patients referred for transthoracic echocardiography and carotid artery echo-Doppler were evaluated; the variables measured were: systemic blood pressure, pulse pressure; body mass index, traditional risk factors, cIMT, cDIST (cDIST = [(csD - cdD)/PP]/csD; where csD and cdD were systolic and diastolic carotid diameters, respectively). MAC and AVC score, based on acoustic densitometry, were: 1 = absence of annular/valvular (av) sclerosis/calcification; 2 = av sclerosis; 3 = av calcification; 4 = av calcification; 5 = av calcification with no recognition of the leaflets; the resulting score was the highest for either valvular annulus. Mean cIMT increased linearly with increasing valvular calcification score (P < 0.0001) whereas cDIST decreased for scores 1 to 5 (P < 0.0001). Distribution of cIMT quartiles showed that 75% of the patients in the lowest quartile had a score of 1 and 70% of patients in the highest quartile had a score of 5; 47% of the patients in the highest quartile of cDIST had a score of 1, whereas 60% of patients in the lowest quartile of cDIST had a score of 4. CONCLUSIONS: The MAC and AVC score identifies subgroups of patients with different cIMT and cDIST. These data may confirm MAC-AVC as a useful important diagnostic parameter of systemic atherosclerotic disease.
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