Atrial septal defect closure is associated with a reduced prevalence of atrial tachyarrhythmia in the short to medium term: a systematic review and meta-analysis - Vecht, JA; Saso, S; Rao, C; Dimopoulos, K; Grapsa, J; Terracciano, CM; Peters, NS; Nihoyannopoulos, P; Holmes, E; Gatzoulis, MA; Athanasiou, T (HEART, 2010)