P1001Active fixation left ventricular lead or passive fixation quadripolar lead? Results of an Italian multicenter experience. (20th June 2017) - Lunati, M.; Biffi, M.; Giannola, G.; Infusino, T.; Pecora, D.; Luzzi, G.; Rordorf, R.; Bongiorni, MG.; De Ruvo, E.; Ziacchi, M.