Prognostic value of aortic valve calcium score on contrast cardiac computed tomography in patients undergoing transcatheter aortic valve replacement

Aortic valve calcification (AVCa) is characterized by progressive thickening, scarring, and degeneration of the aortic valve, which promotes calcium deposition and is ultimately associated with aortic stenosis (AS).1 In clinical practice, AVCa is generally quantified using the modified Agatston score technique on non-contrast computed tomography (CT), with thresholds of >2000 for men and >1200 for women for severe AS with prognostic implications 1–3. However, contrast-enhanced CT is now ro…

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