Cardiac resynchronization therapy in patients with permanent atrial fibrillation. Is it mandatory to ablate the atrioventricular junction to obtain a good response?

1. Tolosana, J.M.
2. Arnau, A.M.
3. Madrid, A.H.
4. MacIas, A.
5. Lozano, I.F.
6. Osca, J.
7. Quesada, A.
8. Toquero, J.
9. Francés, R.M.
10. Bolao, I.G.
11. Berruezo, A.
12. Sitges, M.
13. Alcalá, M.G.
14. Brugada, J.
15. Mont, L.