Electrophysiological Characteristics of the Marshall Potential in Dogs : Based on Anatomic Properties(Arrhythmia/Electrophysiology)
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概要
- 論文の詳細を見る
Background: The electrophysiological characteristics of the Marshall potential is important in ligament of Marshall (LOM) ablation. Methods and Results: Marshall potential was recorded under sinus rhythm and left atrial appendage (LAA) pacing and in the first randomly selected 5 dogs (Group 1), LOM ablation was performed. Histological examination was performed in the remaining 10 dogs, which were subdivided according to the results (Groups 2, 3). During LAA pacing in Group 2, the AM interval was prolonged or shortened, whereas in Group 3 it was prolonged (125±9 vs 80±6ms, P=0.043, when the pacing rate=350) (126±9vs 80±6ms, P=0.0442, when the pacing rate=450). The Marshall potential was separated from the atrial electrogram by LAA pacing in Groups 2 and 3. There was no significant difference in the AM interval during sinus rhythm and right atrial appendage pacing. Conclusions: Marshall potential has different forms on electrograms, including a prolonged AM interval, which presents with LAA pacing. This finding might be useful in LOM ablation.
- 社団法人日本循環器学会の論文
- 2009-02-20
著者
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Zhang Bo
Department Of Cardiology Faculty Of Medicine Fukuoka University
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Zhang Bo
Department Of Cardiology The Second Affiliated Hospital Of Chongqing Medical University
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Lei Sen
Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University
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Wu Jinjin
Deutsches Herzzentrum Munchen
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Liu Zengzhang
Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University
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Zrenner Bernhard
Deutsches Herzzentrum Munchen
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Yin Yuehui
Department of Cardiology, the Second Affiliated Hospital of Chongqing Medical University
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Lei Sen
Department Of Cardiology The Second Affiliated Hospital Of Chongqing Medical University
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Yin Yuehui
Department Of Cardiology The Second Affiliated Hospital Of Chongqing Medical University
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Liu Zengzhang
Department Of Cardiology The Second Affiliated Hospital Of Chongqing Medical University
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Zhang Bo
Department Of Biochemistry Fukuoka University School Of Medicine
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