AIMS: Calcific aortic valve stenosis (AS) is purportedly associated with less calcium burden in women than in men. We sought to examine sex-related differences and correlates of surgically excised aortic valve weight (AVW) in pure AS. METHODS AND RESULTS: Clinical and echocardiographic characteristics of 888 consecutive patients who underwent aortic valve replacement for severe AS were correlated to AVW, and in 126 patients, AVW was also correlated to computed tomography aortic valve calcium (AVC) score. Women and men had similar indexed valve area (0.42 ± 0.09 vs. 0.42 ± 0.07 cm (2)/m(2), P = 0.95) and mean systolic gradient (53 ± 15 vs. 52 ± 13 mmHg, P = 0.11), but women had higher New York Heart Association class (2.63 ± 0.70 vs. 2.50 ± 0.70, P = 0.01) and less prevalent coronary artery disease (38 vs. 52%, P < 0.0001). Aortic valve weight was lower in women (1.94 ± 0.88 vs. 3.08 ± 1.32 g, P < 0.0001) even when indexed to body surface area (1.09 ± 0.48 vs. 1.48 ± 0.62 g/m(2), P < 0.0001) or left ventricular outflow tract (LVOT) area (0.54 ± 0.23 vs. 0.71 ± 0.29 g/cm(2), P < 0.0001). Using multivariate analysis, male sex (P < 0.0001), bicuspid valve (P < 0.0001), and larger LVOT area (P < 0.0001) were the major determinants of increased AVW, along with current cigarette smoking (P = 0.007). Diabetes (P = 0.004) and hypertension (P = 0.03) were independently associated with lower AVW. Aortic valve calcium correlated well with AVW (r = 0.81, P < 0.0001) and was lower in women than in men (2520 ± 1199 vs. 3606 ± 1632 arbitrary units, P < 0.0001). CONCLUSIONS: Despite the same degree of AS severity, women have less AVC and lower AVW compared with men, irrespective of valve morphology. Aortic valve calcium is correlated to excised AVW. Hypertension, diabetes, and current cigarette smoking were independently associated with AVW. Published on behalf of the European Society of Cardiology. All rights reserved.
AIMS: Calcific aortic valve stenosis (AS) is purportedly associated with less calcium burden in women than in men. We sought to examine sex-related differences and correlates of surgically excised aortic valve weight (AVW) in pure AS. METHODS AND RESULTS: Clinical and echocardiographic characteristics of 888 consecutive patients who underwent aortic valve replacement for severe AS were correlated to AVW, and in 126 patients, AVW was also correlated to computed tomography aortic valve calcium (AVC) score. Women and men had similar indexed valve area (0.42 ± 0.09 vs. 0.42 ± 0.07 cm (2)/m(2), P = 0.95) and mean systolic gradient (53 ± 15 vs. 52 ± 13 mmHg, P = 0.11), but women had higher New York Heart Association class (2.63 ± 0.70 vs. 2.50 ± 0.70, P = 0.01) and less prevalent coronary artery disease (38 vs. 52%, P < 0.0001). Aortic valve weight was lower in women (1.94 ± 0.88 vs. 3.08 ± 1.32 g, P < 0.0001) even when indexed to body surface area (1.09 ± 0.48 vs. 1.48 ± 0.62 g/m(2), P < 0.0001) or left ventricular outflow tract (LVOT) area (0.54 ± 0.23 vs. 0.71 ± 0.29 g/cm(2), P < 0.0001). Using multivariate analysis, male sex (P < 0.0001), bicuspid valve (P < 0.0001), and larger LVOT area (P < 0.0001) were the major determinants of increased AVW, along with current cigarette smoking (P = 0.007). Diabetes (P = 0.004) and hypertension (P = 0.03) were independently associated with lower AVW. Aortic valve calcium correlated well with AVW (r = 0.81, P < 0.0001) and was lower in women than in men (2520 ± 1199 vs. 3606 ± 1632 arbitrary units, P < 0.0001). CONCLUSIONS: Despite the same degree of AS severity, women have less AVC and lower AVW compared with men, irrespective of valve morphology. Aortic valve calcium is correlated to excised AVW. Hypertension, diabetes, and current cigarette smoking were independently associated with AVW. Published on behalf of the European Society of Cardiology. All rights reserved.
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