P1135Long termexperience of the efficacy and safety of the transseptal endocardial left ventricular lead implantation after failed CRT implantation. (19th March 2018) - Geller, L A; Sallo, Z; Molnar, L; Tahin, T; Szilagyi, S Z; Osztheimer, I; Ozcan, E E; Zima, E; Apor, A; Nagy, A I; Szegedi, N; Papp, R; et al.