Nunes-Ferreira, AfonsoAntonio Silverio, P.Agostinho, João R.Aguiar-Ricardo, InêsRigueira, JoanaSantos, R.Cunha, N.Rodrigues, T.Bernardes, A.Pinto, Fausto J.Sousa, J. deMarques, P.2019-11-082019-11-082019European Heart Journal, Volume 40, Issue Supplement_1, October 2019, ehz748.01610195-668Xhttp://hdl.handle.net/10451/40092© The Author(s) 2019.Introduction: The left ventricular (LV) lead implantation in cardiac resynchronization therapy (CRT) is one of the most important and complex steps, leading to implantation failure in 10–15% of cases. New LV lead implantation techniques are needed to allow better resynchronization and decrease mortality and hospitalizations. Objectives: To evaluate the efficacy and safety of the snare technique in the LV lead implantation in cases of standard technique failure.engjournal article10.1093/eurheartj/ehz748.0161