Official websites use .gov
A
.gov website belongs to an official
government organization in the United States.
Secure .gov websites use HTTPS
A lock (
) or https:// means you've safely
connected to the .gov website. Share sensitive
information only on official, secure websites.
Baseline and 6 months post-transcatheter aortic valve replacement (TAVR) values for the 6-min walk test and blood levels of nitro-terminal pro-brain natriuretic peptide (NT-proBNP), according to the classification for objective functional improvement.
