Echocardiographic assessment of aortic stenosis under sedation underestimates stenosis severity

S Schwartzenberg, A Sagie, Y Shapira… - Journal of the American …, 2019 - Elsevier
… AS class was defined as moderate, severe high gradient (HG), low ejection fractionlow-gradient
AS, the overall effect of sedation, which is associated with a decrease in blood pressure

Severe degenerative aortic stenosis with preserved ejection fraction does not change adipokines serum levels

K Mizia-Stec, T Bochenek, B Kusz… - Cardiology …, 2019 - journals.viamedica.pl
… ) with severe AS with preserved EF: 33 patients with paradoxical low-flow low-gradient AS
(… Systemic hypertension, diabetes, hyperlipidemia or markers of vascular remodeling did not …

[HTML][HTML] Left ventricular mechanical dispersion in flow-gradient patterns of severe aortic stenosis with narrow QRS complex

D Lavall, LK Kuprat, J Kandels, S Stöbe… - The international journal …, 2020 - Springer
… with low-flow low-gradient and reduced LVEF. These findings … and left ventricular (LV)
ejection fraction (EF) for therapeutic … the sum of systolic arterial blood pressure and the mean AV …

Prognostic Impact of Mitral Regurgitation Before and After Transcatheter Aortic Valve Replacement in Patients With Severe Low‐Flow, LowGradient Aortic Stenosis

GJ Ferruzzi, A Silverio, A Giordano… - … of the American Heart …, 2023 - Am Heart Assoc
… This is classified according to left ventricular ejection fraction (LVEF) values in classical (<50…
Patients with severe LFLG‐AS eligible for TAVR underwent a systematic preoperative work‐…

Low transvalvular flow rate predicts mortality in patients with low-gradient aortic stenosis following aortic valve intervention

A Vamvakidou, W Jin, O Danylenko, N Chahal… - JACC: Cardiovascular …, 2019 - jacc.org
… This phenomenon may be present in patients both with normal and low left ventricular
ejection fraction (LVEF) (≤50%) (1). Conventionally, left ventricular outflow tract (LVOT) Doppler-…

Physical and physiological effects of dobutamine stress echocardiography in low-gradient aortic stenosis

K Sato, TKM Wang, MY Desai… - … Physiology-Heart …, 2022 - journals.physiology.org
… from systolic blood pressure, left ventricular ejection fraction, … patients with low-gradient
low-ejection fraction AS that could … Systemic blood pressure and the 12-lead electrocardiogram …

Prevalence of pulmonary hypertension in aortic stenosis and its influence on outcomes

S Ratwatte, S Stewart, G Strange, D Playford… - Heart, 2023 - heart.bmj.com
severe AS.21 23 Our cohort confirms the impact of PHT in patients with significant AS with
normal ejection fraction… normal-flow, low-gradient AS or paradoxical-flow, low-gradient AS. We …

[HTML][HTML] Left ventricular myocardial work in patients with severe aortic stenosis

F Fortuni, SC Butcher, F van der Kley… - Journal of the American …, 2021 - Elsevier
… patients with reduced LV ejection fractions (LVEFs; <50%). … and the time when the blood
pressure data were recorded may … categories of severe AS (such as low-flow, low-gradient AS). …

Great debate: symptomatic moderate aortic stenosis should undergo intervention

JJ Bax, RT Hahn, NA Marsan… - European Heart …, 2024 - academic.oup.com
… Low-flow, low-gradient severe AS in the setting of normal … such as hypertension, atrial
fibrillation, diabetes, chronic lung … aortic stenosis and heart failure with reduced ejection fraction

Lowgradient severe mitral stenosis: hemodynamic profiles, clinical characteristics, and outcomes

A El Sabbagh, YNV Reddy… - … of the American Heart …, 2019 - Am Heart Assoc
… decreased LV compliance with lower ejection fraction (57±10% … comorbidities such as
hypertension and coronary disease, … mitral/aortic regurgitation, greater than mild aortic stenosis, …