Quantitative aortography for assessment of aortic regurgitation in the era of percutaneous aortic valve replacement
Paravalvular leak (PVL) is a shortcoming that can erode the clinical benefits of transcatheter valve replacement (TAVR) and therefore a readily applicable method (aortography) to quantitate PVL objectively and accurately Beauty in the interventional suite is appealing to all operators.The ratio between the areas of the time-density curves in the ao