Cordes, F.; Ellermann, Christian; Dechering, Dirk G.; Frommeyer, Gerrit; Kochhäuser, Simon; Lange, Philipp Sebastian; Pott, Christian; Lenze, Frank; Kabar, Iyad; Schmidt, Hartmut; Ullerich, Hansjörg; Ullerich, Hansjörg Detlef; Eckardt, Lars: Pre-procedural proton pump inhibition is associated with fewer peri-oesophageal lesions after cryoballoon pulmonary vein isolation