Clinical Outcome in Asymptomatic Severe Aortic Stenosis

Abstract

Methods Transthoracic echocardiography and measurement of B-type natriuretic peptide level from venous blood sample were performed in 150 consecutive patients with asymptomatic severe AS and normal exercise test. Patients were classified in 4 groups, depending on left ventricular flow state (normal flow [NF] vs. low flow [LF]: 35 ml/m) and pressure gradient… (More)

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