I have a degenerative heart valve, had valvuloplasty in early 2001, how much longer can it last?

What valve?: A stenotic mitral, tricuspid or pulmonic valve may last many years after valvuloplasty, an aortic valve usually only 6 moths. So since it was in 2001, my guess it was one of these three. Valves can also now be replaced by a similar technique, a valve sewn into a stent that is expanded into place with a valvuloplasty ballon, currently only approved for the aortic, in high risk patients for surgery.