Transcatheter valve-in-valve replacement in complex cyanotic congenital heart disease with a single ventricle.

A 30-year-old man with complex congenital heart disease presented with severe heart failure. He was born with a double-inlet left ventricle with leva-transposition of the great arteries and severe pulmonary stenosis. This had been palliated by bicavopulmonary anastomosis and, in 1999, by a Damus-