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. 2019 May 26;11(5):149–158. doi: 10.4330/wjc.v11.i5.149

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©The Author(s) 2019. Published by Baishideng Publishing Group Inc. All rights reserved.

This article is an open-access article which was selected by an in-house editor and fully peer-reviewed by external reviewers. It is distributed in accordance with the Creative Commons Attribution Non Commercial (CC BY-NC 4.0) license, which permits others to distribute, remix, adapt, build upon this work non-commercially, and license their derivative works on different terms, provided the original work is properly cited and the use is non-commercial.

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Cryoballoon ablation for atrial fibrillation in a patient with a sinus venosus atrial septal defect and partial anomalous pulmonary venous return. A: A 28-mm cryoballoon catheter (Arctic Front Advance, Medtronic, Minneapolis, MN) along with a circular mapping catheter (Achieve, Medtronic, Minneapolis, MN) introduced in its central lumen; B: The cryoballon is positioned at the ostium of the left inferior pulmonary vein (LIPV) in a patient with a sinus venous atrial septal defect and partial anomalous pulmonary venous return. The circular mapping catheter is placed inside the proximal LIPV. Contrast injection reveals complete cryoballoon occlusion of the LIPV.