Experimental Study on the Effectiveness and Safety of Radiofrequency Catheter Ablation With the Cooled Ablation System
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概要
- 論文の詳細を見る
Experimental in vitro and in vivo studies were performed to assess the effectiveness and saftey of the cooled-tip catheter and the Cooled Ablation System, which enables the creation of deeper and wider burn lesions in the myocardial tissue using radiofrequency current. This system was confirmed to consistently create large burns by cooling the catheter tip with circulating water within the catheter, even under unfavorable conditions. On the other hand, unfavorable effects, as a result of over burning, such as explosive vaporization within the tissue (the 'pop' phenomenon), tissue carbonization, coronary artery injury and lung injury were identified. 'Pop' was difficult to predict, but it is important to know how it can be avoided. No 'Pop' was seen without first observing an impedance decrease, thus it was considered safe to decrease the radiofrequency current if the impedance began to decrease. This system will be very effective for ablation of refractory arrhythmias, such as ventricular tachycardia or atrial flutter, but it is recommended that only experienced electrophysiologists use this system to avoid serious complications.
- 社団法人日本循環器学会の論文
- 2003-01-20
著者
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MATSUMOTO Naoki
Department of Pharmacology, St. Marianna University School of Medicine
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KOBAYASHI Shinichi
Department of Pharmacology, St. Marianna University School of Medicine
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Sakurai Tsuneharu
Clinical Lab . St. Marianna Unviersity School Of Medicine
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MIYAKE Fumihiko
Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine
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Kobayashi Shinichi
Department Of Pharmacology St Marianna University School Of Medicine
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Kobayashi Shinichi
聖マリアンナ医科大学 小児科学教室
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Ryu Shonosuke
Department of Cardiology, St. Marianna University School of Medicine
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Nakazawa Kiyoshi
Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine
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Kishi Ryoji
Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine
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Osada Keizo
Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine
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Ryu Shonosuke
Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine
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Miyazu Osamu
Division of Cardiology, Department of Internal Medicine, St. Marianna University School of Medicine
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Arai Mariko
Division of Cardiology, department of Internal Medicine, St.Mariannna University School of
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Nanke Toshihiko
Division of Cardiology, department of Internal Medicine, St.Mariannna University School of
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Matsumoto Naoki
Department Of Pharmacology St Marianna University School Of Medicine
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Kimura Midori
Division Of Cardiology Department Of Medicine St Marianna University School Of Medicine
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Miyake Fumihiko
Division Of Cardiology Department Of Internal Medicine St. Marianna University School Of Medicine
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Arai Mariko
Division Of Cardiology Department Of Internal Medicine St.mariannna University School Of Medicine
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Sakurai Tsuneharu
Department of Crinical Laboratory, St. Marianna University School of Medicine Hospital
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Matsumoto Naoki
Department Of Cardiology St. Marianna University School Of Medicine
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Watanabe Yoshiyuki
Department Of Cardiology St. Marianna University School Of Medicine
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Miyake Fumihiko
Division Of Cardiology St. Marianna University School Of Medicine
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Miyake Fumihiko
2nd Department Of Medicine St.marianna University School Of Medicine
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Miyake Fumihiko
St. Marianna University School Of Medicine Division Of Internal Medicine
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Kasugai Hiroyoshi
Division of Cardiology, Department of Medicine, St Marianna University School of Medicine
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Watanabe Yoshiuki
Division of Cardiology, Department of Medicine, St Marianna University School of Medicine
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Nanke Toshihiko
Division Of Cardiology Department Of Internal Medicine St.mariannna University School Of Medicine
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Nanke Toshihiko
Department Of Cardiology St. Marianna University School Of Medicine
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Miyake Fumihiko
St. Marianna University School Of Medicine Internal Medicine Division Of Cardiology
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Miyake Fumihiko
The Second Department Of Internal Medicine St. Marianna University School Of Medicine
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Kobayashi Shinichi
Dep. Of Pharmacology St. Marianna Univ. School Of Medicine
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Kobayashi Shinichi
Department Of Pharmacology School Of Medicine Showa University:shionogi Research Laboratories Shiono
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Osada Kezo
Department Of Cardiology St. Marianna University School Of Medicine
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Miyazu Osamu
Division Of Cardiology Department Of Internal Medicine St. Marianna University School Of Medicine
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Ryu Shonosuke
Department Of Cardiology St. Marianna University School Of Medicine
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Nanke Toshihiko
Division Of Cardiology Department Of Internal Medicine St. Marianna University School Of Medicine
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Nakamura Toshika
Division Of Cardiology Department Of Internal Medicine St.mariannna University School Of Medicine
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Kasugai Hiroyoshi
Division Of Cardiology Department Of Medicine St Marianna University School Of Medicine
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Sano Toshio
Department Of Cardiology Yokohama Minami Kyosai Hospital
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Ryu Shonosuke
Division Of Cardiology Department Of Internal Medicine St. Marianna University School Of Medicine
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Kobayashi Shinichi
Department Of Biomedical Engineering Graduate School Of Medicine University Of Tokyo
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Nakazawa Kiyoshi
Division Of Cardiology St. Marianna University School Of Medicine
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Nakamura Toshika
The 2nd Dept. Of Internal Med. St.marianna University. School Of Med.
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Osada Keizo
Division Of Cardiology Department Of Internal Medicine St. Marianna University School Of Medicine
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Miyake Fumihiko
Division Of Cardiology Department Of Internal Medicine St Marianna University School Of Medicine
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Matsumoto Naoki
Department of Anesthesia, Gunma Prefectural Cardiovascular Center
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