title: The need for pacemaker implantation after using a superior transseptal approach: letter 1.
authors.forename: Yoshio
authors.initials: Y
authors.lastname: Misawa
authors.forename: Tsutomu
authors.initials: T
authors.lastname: Saito
authors.forename: Hiroaki
authors.initials: H
authors.lastname: Konishi
mesh_terms: D006801:Humans; D008943:Mitral Valve / Q000601:surgery*; D010138:Pacemaker, Artificial