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Ann Thorac Surg 2003;76:1291-1293
© 2003 The Society of Thoracic Surgeons

Case report

Circumflex artery stenosis induced by intraoperative radiofrequency ablation

Georges Fayad, MDa*, Thomas Modine, MDa, Thierry Le Tourneau, MD, PhDa, Christophe Decoene, MDa, Richard Azzaoui, MDa, Sharif Al-Ruzzeh, FRCSb, Jean Marc Lablanche, MDa, Henri Warembourg, MDa

a Service de Chirurgie Cardiovasculaire, Hôpital Cardiologique, CHRU de Lille, France
b National Heart and Lung Institute, Imperial College of Science, Technology and Medicine, Harefield Hospital, Middlesex, United Kingdom

Accepted for publication February 20, 2003.

* Address reprint requests to Dr Fayad, Service de Chirurgie Cardiovasculaire, CCVB, Hôpital Cardiologique, CHRU, 59037 Lille Cedex, France
e-mail: g-fayad{at}chru-lille.fr

We report a case of circumflex artery stenosis after intraoperative radiofrequency ablation for permanent atrial fibrillation in a patient who had a previous mitral valve replacement. The patient presented with acute pulmonary edema and severe angina 1 year after an uneventful recovery. The patient underwent a diagnostic angiography that showed the presence of stenosis of a long segment of the circumflex artery, adjacent to the radiofrequency ablation site, which was reopened successfully by angioplasty. Intraoperative radiofrequency ablation caused circumflex artery stenosis. We believe that this complication could have been avoided by applying the radiofrequency ablation more distally between the left pulmonary veins and the mitral valve.




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