Occurrence and predictors of pericardial effusion requiring invasive treatment following heart valve surgery oleh Jacob Eifer Moller, Jordi Sanchez Dahl, Ola Ekholm, Britt Borregaard, Marc Gjern Weiss, Emilie Karense Lykking, Kirstine Lærum Sibilitz, Stine Nørris Nielsen, Lars Peter Riber