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Ann Thorac Surg 2009;87:1592-1595. doi:10.1016/j.athoracsur.2008.10.014
© 2009 The Society of Thoracic Surgeons
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Hiroshi Kubota
Shinichi Takamoto
Akira Furuse
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Right arrow Electrophysiology - arrhythmias

Case Reports

Epicardial Electrical Isolation of the Right Atrial Appendage on the Beating Heart With an Infrared Coagulator

Hiroshi Kubota, MD, PhDa,*, Kenichi Sudo, MD, PhDa, Shinichi Takamoto, MD, PhDb, Kunihiko Tonari, MD, PhDa, Tatsuo Fujiki, MDa, Hidehito Endo, MDa, Hiroshi Tsuchiya, MDa, Akira Furuse, MD, PhDc

a Department of Cardiovascular Surgery, Kyorin University, Tokyo, Japan
b Department of Cardiac Surgery, JR Tokyo General Hospital, Tokyo, Japan
c Department of Cardiac Surgery, Tokyo University, Tokyo, Japan

Accepted for publication October 8, 2008.

* Address correspondence to Dr Kubota, Department of Cardiovascular Surgery, Kyorin University, 6-20-2, Shinkawa, Mitaka, Tokyo, 181-8611, Japan (Email: kub{at}kyorin-u.ac.jp).

To determine the clinical efficacy of application of infrared energy to the beating heart as a means of creating electrical blocks, an original infrared coagulator (KIRC-119; Phomec Inc, Tokyo, Japan) was applied to the atrium of a patient with atrial fibrillation. A postoperative electrophysiologic study was performed to confirm its efficacy. The coagulator was applied epicardially to the beating heart concomitant with an on-pump beating heart coronary artery bypass graft procedure. Sinus rhythm was restored during the operation, and the electrophysiologic study revealed that a bidirectional block had been created on the right atrial appendage. The infrared coagulator may facilitate performance of the epicardial Maze procedure on the beating heart.






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