Alternation in the Flutter Wave Morphology During Radiofrequency Catheter Ablation for Common Atrial Flutter
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概要
- 論文の詳細を見る
A linear lesion created at the right atrial isthmus by radiofrequency current application can successfully eliminate common atrial flutter(AF). The mechanism of unsuccessful cases has not yet been well delineated. This study sought to investigate the cause of unsuccessful cases of radiofrequency catheter ablation of AF. Sixty-six patients with refractory common AF were referred for radiofrequency catheter ablation. Radiofrequency current was applied to the right atrial isthmus between the inferior vena cava and tricuspid annulus or between the coronary sinus orifice and tricuspid annulus. In 5(8%)of the 66 patients, a morphological change of the flutter wave was observed in the 12-lead ECG concomitant with the change of the atrial excitation sequence during the delivery of radiofrequency energy without the termination of atrial flutter. In 8(12%)patients, the morphology of the new AF wave, which was provoked electrically after the termination of the original AF, was different, and the average flutter cycle length also differed in 3 cases(2%). The results of radiofrequency application could be misinterpreted as unsuccessful when the occurrence of another, different type of AF has been overlooked following the elimination of the original AF during the radiofrequency catheter ablation procedure. It is possible that the flutter circuit can take an alternative pathway despite the complete conduction block at the right atrial isthmus.
- 社団法人日本循環器学会の論文
- 1998-10-20
著者
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Okishige Kaoru
Yokohama City Minato Red Cross Hospital
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Okishige Kaoru
Cardiac Electrophysiology Laboratory Cardiovascular Department Yokohama Red Cross Hospital
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Azegami Koji
Cardiac Electrophysiology Laboratory Cardiovascular Department Yokohama Red Cross Hospital
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Azegami Kouji
Department Of Cardiovascular Disease Yokohama Red Cross Hospital
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Satake Shutaro
Cardiac Electrophysiology Laboratory, Cardiovascular Department, Yokohama Red Cross Hospital
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Azegami Kouji
Cardiac Electrophysiology Laboratory, Yokohama Red Cross Hospital
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Satoh Takako
Cardiac Electrophysiology Laboratory, Yokohama Red Cross Hospital
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Goseki Yoshinari
Cardiac Electrophysiology Laboratory, Yokohama Red Cross Hospital
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Ohira Hiroshi
Cardiac Electrophysiology Laboratory, Yokohama Red Cross Hospital
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Yamashita Katsuhiro
Cardiac Electrophysiology Laboratory, Yokohama Red Cross Hospital
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Satake Shutarou
Cardiac Electrophysiology Laboratory, Yokohama Red Cross Hospital
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Azegami Kouji
Cardiovascular Center Yokohama Red Cross Hospital
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Okishige Kaoru
Cardiovascular Division Yokohama Red Cross Hospital
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Goseki Yoshinari
Cardiac Electrophysiology Laboratory Yokohama Red Cross Hospital
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Satoh Takako
Cardiac Electrophysiology Laboratory Yokohama Red Cross Hospital
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Satake Shutaro
Cardiac Electrophysiology Laboratory Cardiovascular Department Yokohama Red Cross Hospital
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Ohira Hiroshi
Department Of Cardiology Yokohama Red Cross Hospital
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Yamashita Katsuhiro
Department Of Cardiology Yokohama Red Cross Hospital
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Azegami Koji
Cardiovascular Center Yokohama Red Cross Hospital
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Okishige Kaoru
Heart Center
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Okishige Kaoru
The Cardiac Electrophysiology Laboratory Yokohama Red Cross General Hospital
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Ohnishi Kentaro
Department Of Cardiovascular Medicine Musashino Red Cross Hospital
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Ohnishi Kentaro
Yokohama City Minato Red Cross Hospital
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Azegami Kouji
The Cardiac Electrophysiology Laboratory Yokohama Red Cross General Hospital
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Yamashita Katsuhiro
The Cardiac Electrophysiology Laboratory Yokohama Red Cross General Hospital
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Satake Syutaro
The Cardiac Electrophysiology Laboratory Yokohama Red Cross General Hospital
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