Background—The pathophysiology of low flow, low gradient severe aortic stenosis (LGSAS)
with preserved ejection fraction is poorly understood. It has been proposed that …

Background Normal‐flow, low‐gradient severe aortic stenosis (NF‐LG‐SAS), defined by
aortic valve area< 1 cm2, mean gradient< 40 mm Hg, and indexed stroke volume> 35 …

Background Clinicians often encounter patients with apparently discordant
echocardiographic findings, severe aortic stenosis (SAS) defined by aortic valve area (AVA) …

Asymptomatic “paradoxic” severe low-flow low-gradient aortic stenosis with preserved
ejection fraction (PAS) constitutes a challenging condition where the optimal management …

Background This study was to evaluate the prognostic significance of low gradient severe
aortic stenosis (LG SAS) and preserved left ventricular ejection fraction (LVEF) with the …

Aortic stenosis patients with severe LV dysfunction and low cardiac output present with
relatively low transvalvular gradients. It is difficult to distinguish them from aortic sclerosis …

Objective Low-gradient (LG) severe aortic stenosis (AS) and preserved EF with reduced
stroke volume are associated with an adverse prognosis, but the relationship of stroke …

Background—Low-gradient severe aortic stenosis with preserved ejection fraction is an
increasingly recognized entity, and symptomatic patients may benefit from aortic valve …

Background—Retrospective studies have suggested that patients with a low transvalvular
gradient in the presence of an aortic valve area< 1.0 cm2 and normal ejection fraction may …

Results: Forty-seven patients had a transvalvular mean gradient (MG)< 30 mmHg (MGlow)
and 168 had MG≥ 30 mmHg (MGhigh). Compared to MGhigh, the MGlow group had a …