Hemodynamic and clinical impact of prosthesis–patient mismatch in the aortic valve position and its prevention
Prosthesis–patient mismatch is present when the effective orifice area of the inserted
prosthetic valve is less than that of a normal human valve. This is a frequent problem in …
prosthetic valve is less than that of a normal human valve. This is a frequent problem in …
Valvular aortic stenosis: disease severity and timing of intervention
CM Otto - Journal of the American College of Cardiology, 2006 - jacc.org
Standard echocardiographic evaluation of aortic stenosis (AS) severity includes
measurement of aortic velocity, mean transaortic pressure gradient, and continuity equation …
measurement of aortic velocity, mean transaortic pressure gradient, and continuity equation …
Recommendations for evaluation of prosthetic valves with echocardiography and doppler ultrasound: a report From the American Society of Echocardiography's …
Objectives: Upon completing this article, participants will be better able to: 1. Name the
components of a complete imaging and Doppler evaluation for prosthetic valve function. 2 …
components of a complete imaging and Doppler evaluation for prosthetic valve function. 2 …
Paradoxical low-flow, low-gradient severe aortic stenosis despite preserved ejection fraction is associated with higher afterload and reduced survival
Background—Recent studies and current clinical observations suggest that some patients
with severe aortic stenosis on the basis of aortic valve area may paradoxically have a …
with severe aortic stenosis on the basis of aortic valve area may paradoxically have a …
Echocardiographic results of transcatheter versus surgical aortic valve replacement in low-risk patients: the PARTNER 3 trial
Background: This study aimed to compare echocardiographic findings in low-risk patients
with severe aortic stenosis after surgical aortic valve replacement (SAVR) or transcatheter …
with severe aortic stenosis after surgical aortic valve replacement (SAVR) or transcatheter …
Reduced systemic arterial compliance impacts significantly on left ventricular afterload and function in aortic stenosis: implications for diagnosis and treatment
Objectives: We sought to determine to what extent systemic arterial compliance (SAC) might
impact on afterload and left ventricular (LV) function in patients with aortic stenosis (AS) …
impact on afterload and left ventricular (LV) function in patients with aortic stenosis (AS) …
Outcome of patients with low-gradient “severe” aortic stenosis and preserved ejection fraction
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 …
gradient in the presence of an aortic valve area< 1.0 cm2 and normal ejection fraction may …
Prognostic effect of inappropriately high left ventricular mass in asymptomatic severe aortic stenosis
Objectives In patients with aortic stenosis (AS) left ventricular (LV) myocardial growth may
exceed individual needs to compensate LV haemodynamic load leading to inappropriately …
exceed individual needs to compensate LV haemodynamic load leading to inappropriately …
Usefulness of the valvuloarterial impedance to predict adverse outcome in asymptomatic aortic stenosis
Objectives: This study was designed to examine the prognostic value of valvuloarterial
impedance (Zva) in patients with aortic stenosis (AS). Background: We previously showed …
impedance (Zva) in patients with aortic stenosis (AS). Background: We previously showed …
Paradoxical low flow and/or low gradient severe aortic stenosis despite preserved left ventricular ejection fraction: implications for diagnosis and treatment
Paradoxical low flow, low gradient, severe aortic stenosis (AS) despite preserved ejection
fraction is a recently described clinical entity whereby patients with severe AS on the basis of …
fraction is a recently described clinical entity whereby patients with severe AS on the basis of …