Clinical Significance of Inducibility Test of Atrial Fibrillation after Termination of Chronic, Persistent Atrial Fibrillation during Stepwise Approach
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概要
- 論文の詳細を見る
<B>Background and Purpose:</B> Atrial fibrillation (AF) termination has been used as the endpoint of catheter ablation of longstanding persistent AF (LPAF). A value of an inducibility testing after achieving AF termination as predicting clinical outcome of catheter ablation of AF is unclear. <B>Methods:</B> In 170 patients with LPAF (>1 year) underwent stepwise approach (pulmonary vein isolation, multiple linear ablations, defragmentation, and bidirectional block of cavotricuspid isthmus), inducibility was tested by rapid atrial pacing after AF terminated. <B>Results:</B> Of 170 patients, induced AF (>5 minutes) in 61 patients (group 1), induced atrial tachycardia (AT) (>10 minutes) (group 2) in 72 and no induction of AF and AT (group 3) in 37. During 39±21 months of follow up, AF recurrence rate in group 1 (n=29, 48%) was similar to that in group 2 (n=34, 35%), however, higher than that in group 3 (n=10, 27%, p<0.05). <B>Conclusion:</B> Noninducibility of AF and AT after termination of LPAF during biatrial ablation led to a better outcome during the follow-up period.
- 日本不整脈学会の論文
著者
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Park Jae-seok
Korea University Cardiovascular Center
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Kim Young-hoon
Korea University Cardiovascular Center
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Choi Jong-il
Korea Atomic Energy Research Institute
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Park Sang-Weon
Korea University Medical Center
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Nagamoto Yasutsugu
Korea University Medical Center
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Ban Ji-Eun
Korea University Medical Center
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Park Yae-Min
Korea University Medical Center
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Euy Lim
Korea University Medical Center
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