3377Ablation for atrial fibrillation with heart failure should be performed early a nationwide study. (28th August 2018) - Pallisgaard, J L; Schjerning, A.-M; Hansen, M L; Johannessen, A; Gustafsson, F; Gislason, G H; Torp-Pedersen, C; Jacobsen, P K; Kristensen, S L; Koeber, L; Schou, M