Case Report

Cryoballoon Atrial Fibrillation Ablation in a Patient with Atrial Septal Defect Closure Device


Atrial fibrillation (AF) is the most commonly treated arrhythmia in clinical practice and is often found in association with an atrial septal defect (ASD). However, ASD closure rarely confers complete arrhythmia control. A 23-year-old man presented to our center with frequent episodes of palpitations. AF was documented in 12-lead electrocardiography, and echocardiography showed a secundum-type ASD, 14 mm in size, with a significant left-to-right shunt. ASD closure was performed successfully with an ASD occluder device with no residual shunting. During follow-up, the patient experienced several episodes of AF. Thirteen months after the ASD closure, cryoballoon pulmonary vein isolation was done successfully with no complications. During a 12-month follow-up, he had no symptoms or AF recurrences, and echocardiography showed no residual shunting. This study showed that cryoballoon pulmonary vein isolation could be performed successfully without residual shunts in patients with ASD closure devices.

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IssueVol 16 No 1 (2021): J Teh Univ Heart Ctr QRcode
SectionCase Report(s)
Heart septal defects; atrial Atrial fibrillation Catheter ablation

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Creative Commons License This work is licensed under a Creative Commons Attribution-NonCommercial 4.0 International License.
How to Cite
Mokhtari M, Khajali Z, Heidarali M, Haghjoo M. Cryoballoon Atrial Fibrillation Ablation in a Patient with Atrial Septal Defect Closure Device. J Tehran Heart Cent. 16(1):42-44.