Background The respective impacts of transvalvular flow, gradient, sex, and their
interactions on mortality in patients with severe aortic stenosis undergoing surgical aortic …

Objectives: This study aimed to assess the value of low transvalvular flow rate (FR) for the
prediction of mortality compared with low stroke volume index (SVi) in patients with low …

Background: Low flow (LF) can occur with reduced (classic) or preserved (paradoxical) left
ventricular ejection fraction (LVEF). Objectives: The objective of this study was to compare …

Objectives: This study sought to assess the impact of baseline left ventricular (LV) outflow,
LV ejection fraction (LVEF), and transvalvular gradient on outcomes following transcatheter …

Objectives To assess the impact of low flow with and without preserved left ventricular
ejection fraction (LVEF) on outcomes after transcatheter aortic valve replacement (TAVR) …

Importance Low-flow (LF) severe aortic stenosis (AS) is an independent predictor of mortality
in patients undergoing aortic valve replacement (AVR). Little is known about improvement in …

Background A retrospective comparative study was designed to determine whether the
transvalvular gradient has a predictive value in the assessment of operative outcome in …

Background There are limited data to describe the relationship between the transvalvular
gradient and mortality among patients who undergo aortic valve replacement. Methods …

Background Aortic valve area (AVA)≤ 1.0 cm2 is a defining characteristic of severe aortic
stenosis (AS). AVA can be underestimated at low transvalvular flow rate. Yet, the impact of …

Background: Although aortic valve replacement is associated with a major benefit in high-
gradient (HG) severe aortic stenosis (AS), the results in low-gradient (LG, mean gradient< 40 …