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- W2279243615 abstract "Background and Aims: The progression of aortic valve stenosis (AS) in patients with the paradoxical low-flow state despite preserved left ventricular ejection fraction (LVEF) has not been previously studied. We aim to determine its predictors in medically treated patients. Methods: We studied 153 consecutive patients with low-flow (stroke volume index, SVI 180 days apart. Besides conventional echocardiography, valvuloarterial impedance (Zva), a measure of global left ventricular afterload, was calculated. There were 49 patients (32%) with a significant (>20%) decrease in AVAI (Group A). We compare their baseline clinical and echocardiographic parameters to the group without deterioration (Group B). Results: The mean time interval between paired studies is 909±834 days. Over this period, the mean AVAI decreased from 0.62 to 0.45 cm2.m-2 (p Conclusion: Low-flow AS patients with preserved LVEF, smaller AVAI and higher prevalence of diabetes tended to progress more rapidly. They may benefit from more intensive follow-up as well as optimal timing of valve replacement." @default.
- W2279243615 created "2016-06-24" @default.
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- W2279243615 date "2013-11-26" @default.
- W2279243615 modified "2023-09-24" @default.
- W2279243615 title "Abstract 17534: Predictors of Progression of Aortic Valve Stenosis in Medically Treated Patients With Low-Flow Significant Aortic Stenosis" @default.
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