P1140Influence of Etiology, QRS duration, and Baseline Systolic Function on Long-term CRT Response Rate with Multipoint Pacing: A Multicenter Experience. (19th March 2018) - Leclercq, C; Lercher, P; Lunati, M; Rordorf, R; Landolina, M; Pappone, C; Mangual, J; Mcspadden, L; Badie, N; Singh, J