References

1. Sutton MGS, Plappert T, Abraham WT, Smith AL, DeLurgio DB, Leon AR, Loh E, Kocovic DZ, Fisher WG, Ellestad M, Messenger J, Kruger K, Hilpisch KE, Hill MRS, Grp MS. Effect of cardiac resynchronization therapy on left ventricular size and function in chronic heart failure.Circulation . 2003;107:1985–1990.
2. Cazeau S, Leclercq C, Lavergne T, Walker S, Varma C, Linde C, Garrigue S, Kappenberger L, Haywood GA, Santini M, Bailleul C, Daubert JC. Effects of multisite biventricular pacing in patients with heart failure and intraventricular conduction delay. NEnglJMed . 2001;344:873–880.
3. Abraham WT, Fisher WG, Smith AL, Delurgio DB, Leon AR, Loh E, Kocovic DZ, Packer M, Clavell AL, Hayes DL, Ellestad M, Trupp RJ, Underwood J, Pickering F, Truex C, McAtee P, Messenger J, Evaluation MSGMIRC. Cardiac resynchronization in chronic heart failure. N Engl J Med . 2002;346:1845–1853.
4. Fornwalt BK, Sprague WW, BeDell P, Suever JD, Gerritse B, Merlino JD, Fyfe DA, Leon AR, Oshinski JN. Agreement is poor among current criteria used to define response to cardiac resynchronization therapy.Circulation . 2010;121:1985–1991.
5. Tolosana JM, Mont L. Cardiac Resynchronization Therapy - How to Decrease Nonresponders. Heart Fail Clin . 2017;13:233–240.
6. Thibault B, Dubuc M, Khairy P, Guerra PG, Macle L, Rivard L, Roy D, Talajic M, Karst E, Ryu K, Paiement P, Farazi TG. Acute haemodynamic comparison of multisite and biventricular pacing with a quadripolar left ventricular lead. Europace . 2013;15:984–991.
7. Pappone C, Calovic Z, Vicedomini G, Cuko A, McSpadden LC, Ryu K, Romano E, Saviano M, Baldi M, Pappone A, Ciaccio C, Giannelli L, Ionescu B, Petretta A, Vitale R, Fundaliotis A, Tavazzi L, Santinelli V. Multipoint left ventricular pacing improves acute hemodynamic response assessed with pressure-volume loops in cardiac resynchronization therapy patients. Hear Rhythm . 2014;11:394–401.
8. Zanon F, Baracca E, Pastore G, Marcantoni L, Fraccaro C, Lanza D, Picariello C, Aggio S, Roncon L, Dell’Avvocata F, Rigatelli G, Pacetta D, Noventa F, Prinzen FW. Multipoint pacing by a left ventricular quadripolar lead improves the acute hemodynamic response to CRT compared with conventional biventricular pacing at any site. Hear Rhythm . 2015;12:975–981.
9. Lercher P, Lunati M, Rordorf R, Landolina M, Badie N, Qu F, Casset C, Ryu K, Ghio S, Singh JP, Leclercq C. Long-term reverse remodeling by cardiac resynchronization therapy with MultiPoint Pacing: A feasibility study of noninvasive hemodynamics–guided device programming. Hear Rhythm . 2018;15. doi:10.1016/j.hrthm.2018.06.032.
10. Osca J, Alonso P, Cano O, Andres A, Miro V, Tello MJ, Olague J, Martinez L, Salvador A. The use of multisite left ventricular pacing via quadripolar lead improves acute haemodynamics and mechanical dyssynchrony assessed by radial strain speckle tracking : initial results. Europace . 2016;18:560–567.
11. Menardi E, Ballari GP, Goletto C, Rossetti G, Vado A. Characterization of ventricular activation pattern and acute hemodynamics during multipoint left ventricular pacing. Hear Rhythm . 2015;12:1762–1769.
12. Pappone C, Calovic Z, Vicedomini G, Cuko A, McSpadden LC, Ryu K, Jordan CD, Romano E, Baldi M, Saviano M, Pappone A, Vitale R, Catalano C, Ciaccio C, Giannelli L, Ionescu B, Petretta A, Fragakis N, Fundaliotis A, Tavazzi L, Santinelli V. Improving cardiac resynchronization therapy response with multipoint left ventricular pacing: Twelve-month follow-up study. Hear Rhythm . 2015;12:1250–1258.
13. Forleo GB, Santini L, Giammaria M, Potenza D, Curnis A, Calabrese V, Ricciardi D, D’Agostino C, Notarstefano P, Ribatti V, Morani G, Mantica M, Di Biase L, Bertaglia E, Calo L, Zanon F. Multipoint pacing via a quadripolar left-ventricular lead: preliminary results from the Italian registry on multipoint left-ventricular pacing in cardiac resynchronization therapy (IRON-MPP). Europace . 2017;19:1170–1177.
14. Zanon F, Marcantoni L, Baracca E, Pastore G, Lanza D, Aggio S, Roncon L, Conte L, Picariello C, Carraro M, Noventa F, Prinzen FW. Optimization of left ventricular pacing site plus multipoint pacing improves remodeling and clinical response to cardiac resynchronization therapy at 1 year. Hear Rhythm . 2016;13:1644–1651.
15. Zanon F, Marcantoni L, Baracca E, Pastore G, Lanza D, Fraccaro C, Picariello C, Conte L, Aggio S, Roncon L, Pacetta D, Badie N, Noventa F, Prinzen FW. Optimization of left ventricular pacing site plus multipoint pacing improves remodeling and clinical response to cardiac resynchronization therapy at 1 year. Hear Rhythm . 2016;13:1644–1651.
16. Surawicz B, Childers R, Deal BJ, Gettes LS, Bailey JJ, Gorgels A, Hancock EW, Josephson M, Kligfield P, Kors JA, Macfarlane P, Mason JW, Mirvis DM, Okin P, Pahlm O, Rautaharju PM, van Herpen G, Wagner GS, Wellens H. AHA/ACCF/HRS recommendations for the standardization and interpretation of the electrocardiogram: part III: intraventricular conduction disturbances: a scientific statement from the American Heart Association Electrocardiography and Arrhythmias Committee,.Circulation . 2009;119:e235-40.
17. Rickard J, Baranowski B, Wilson Tang WH, Grimm RA, Niebauer M, Cantillion D, Wilkoff BL, Varma N. Echocardiographic Predictors of Long-Term Survival in Patients Undergoing Cardiac Resynchronization Therapy: What Is the Optimal Metric? J Cardiovasc Electrophysiol . 2017;28:410–415.
18. Leclercq C, Burri H, Curnis A, Delnoy PP, Rinaldi CA, Sperzel J, Lee K, Calò L, Vicentini A, Concha JF, Thibault B. Cardiac resynchronization therapy non-responder to responder conversion rate in the more response to cardiac resynchronization therapy with MultiPoint Pacing (MORE-CRT MPP) study: Results from Phase i. Eur Heart J . 2019. doi:10.1093/eurheartj/ehz109.
19. Niazi I, Baker II J, Corbisiero R, Love C, Martin D, Sheppard R, Worley S, Varma N, Lee K, Tomassoni G. Safety and Efficacy of Multipoint Pacing in Cardiac Resynchronization Therapy. JACC Clin Electrophysiol . 2017;3:1519–1522.