366No support for additional left atrial substrate modification among patients with persistent atrial fibrillation at first PVI procedure - results from German Ablation registry. (28th August 2018) - Jilek, C; Brachmann, J; Lewalter, T H; Kuck, K H; Andresen, D; Willems, S G; Spitzer, S G; Straube, F; Schumacher, B; Eckardt, L; Danilovic, D; Thomas, D; et al.