Abstract
Introduction
Pulmonary vein isolation (PVI) is widely practiced for treating atrial fibrillation. Transseptal access is necessary with one or even more transseptal sheaths to perform PVI.
Methods
In this prospective study, 31 patients were examined with transesophageal echocardiography before, immediately after and in a 3-, 6- and 12-month follow-up period for evaluation of iatrogenic atrial septal defect (iASD). All patients underwent PVI with double transseptal puncture.
Results
An iASD was detected in 27/31 patients (87%) with a maximum diameter of 1.0 mm. After 3 months, the iASDs were completely closed in 26/27 (96.3%) patients. In 1/27 (3.7%) patients, there was an iASD detectable even after 12 months. Clinically no patient suffered from cerebral or cardiac embolism in the follow-up period.
Conclusions
We were only able to find small iASDs with left to right shunting after PVI but none with right to left shunting. iASDs following PVI show a high spontaneous closure rate already at 3 months of follow-up and are not associated with an increased rate of paradoxical embolism.
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Poster presentation: ESC 2007, Vienna.
Oral communication: Venice arrhythmias 2007, Venice.
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Rillig, A., Meyerfeldt, U., Birkemeyer, R. et al. Persistent iatrogenic atrial septal defect after pulmonary vein isolation. J Interv Card Electrophysiol 22, 177–181 (2008). https://doi.org/10.1007/s10840-008-9257-7
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DOI: https://doi.org/10.1007/s10840-008-9257-7