Prognostic Value of B-Type Natriuretic Peptide in Elderly Patients With Aortic Valve Stenosis: The COFRASA–GENERAC Study

Study Questions:

Is there a relationship between elevated serum levels of the N-terminal fragment of pro–B-type natriuretic peptide (NT-proBNP) and the severity of and/or symptoms and outcome associated with aortic stenosis (AS)?