%0 Journal Article %T Intra-atrial endothelial lesion resulting from transseptal puncture for catheter ablation of atrial fibrillation %A Conrad Genz %A Hans D. Esperer %A Alexander Schmeisser %A Ruediger C. Braun-Dullaeus %J Heart International %D 2012 %I Wichtig Editore, Milan %R 10.4081/hi.2012.e8 %X Thromboembolic events are known complications of left atrial ablation therapy. We describe a complication which may also lead to systemic thromboembolism that has not been reported so far: the formation of a moving structure attached to the fossa ovalis after an attempted transseptal puncture in a 66-year old patient with symptomatic paroxysmal atrial fibrillation. %K Cardiology %K atrial fibrillation %K complications %U http://www.pagepress.org/journals/index.php/hi/article/view/3952