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Clin Radiol. 2014 Jan;69(1):96-102. doi: 10.1016/j.crad.2013.08.018. Epub 2013 Oct 23.

CT imaging of complications of catheter ablation for atrial fibrillation.

Author information

  • 1Department of Diagnostic and Interventional Imaging, The University of Texas Medical School at Houston, Houston, TX, USA. Electronic address: girish.s.shroff@uth.tmc.edu.
  • 2Department of Diagnostic and Interventional Imaging, The University of Texas Medical School at Houston, Houston, TX, USA.
  • 3Division of Cardiovascular Medicine, The University of Texas Medical School at Houston, Houston, TX, USA.

Abstract

The complication rate following radiofrequency catheter ablation for atrial fibrillation is low (<5%). Complications include pericardial effusion, cardiac tamponade, pulmonary vein stenosis, oesophageal ulceration or perforation, atrio-oesophageal fistula formation, stroke/transient ischaemic attack, phrenic nerve injury, haematoma at the puncture site, and femoral arteriovenous fistula. Among available imaging tools, computed tomography (CT) can be very useful in diagnosing complications of the procedure, particularly in the subacute and delayed stages after ablation. This review illustrates CT imaging of several of the common and uncommon complications of radiofrequency catheter ablation.

Copyright © 2013 The Royal College of Radiologists. Published by Elsevier Ltd. All rights reserved.

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