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논문 기본 정보

자료유형
학술저널
저자정보
Myung-Jin Cha (Asan Medical Center) Jun Kim (Asan Medical Center) Yoon Jung Park (Yonsei University College of Medicine) Min Soo Cho (Asan Medical Center) Hyoung-Seob Park (Keimyung University School of Medicine) Soonil Kwon (Seoul National University Hospital) Young Soo Lee (Daegu Catholic University Medical Center) Jinhee Ahn (Pusan National University Hospital) Hyung-Oh Choi (Soonchunhyang University Hospital) Jong-Sung Park (Dong-A University Hospital) YouMi Hwang (The Catholic University of Korea ST. Vincent’s Hospital) Jin Hee Choi (Pusan National University Yangsan Hospital) Ki-Won Hwang (Pusan National University Yangsan Hospital) Yoo-Ri Kim (Dongguk University Ilsan Hospital) Seongwook Han (Keimyung University School of Medicine) Seil Oh (Seoul National University Hospital) Gi-Byoung Nam (Asan Medical Center) Kee-Joon Choi (Asan Medical Center) Hui-Nam Pak (Yonsei University College of Medicine)
저널정보
대한심장학회 Korean Circulation Journal Korean Circulation Journal Vol.52 No.7
발행연도
2022.7
수록면
513 - 526 (14page)
DOI
https://doi.org/10.4070/kcj.2021.0388

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Background and Objectives: Atrial tachycardias (ATs) from noncoronary aortic cusp (NCC) uncovered after radiofrequency ablation for atrial fibrillation (AF) are rarely reported. This study was conducted to investigate the prevalence and clinical characteristics of NCC ATs detected during AF ablation and compare their characteristics with de novo NCC ATs without AF. Methods: Consecutive patients who underwent radiofrequency catheter ablation for AF were reviewed from the multicenter AF ablation registry of 11 tertiary hospitals. The clinical and electrophysiological characteristics of NCC AT newly detected during AF ablation were compared with its comparators (de novo NCC AT ablation cases without AF). Results: Among 10,178 AF cases, including 1,301 redo ablation cases, 8 (0.08%) NCC AT cases were discovered after pulmonary vein isolation (PVI; 0.07% in first ablation and 0.15% in redo ablation cases). All ATs were reproducibly inducible spontaneously or with programmed atrial stimulation without isoproterenol infusion. The P-wave morphological features of tachycardia were variable depending on the case, and most cases exhibited 1:1 atrioventricular conduction. AF recurrence rate after PVI and NCC AT successful ablation was 12.5% (1 of 8). Tachycardia cycle length was shorter than that of 17 de novo ATs from NCC (303 versus 378, p=0.012). No AV block occurred during and after successful AT ablation. Conclusions: Uncommon NCC ATs (0.08% in AF ablation cases) uncovered after PVI, showing different characteristics compared to de-novo NCC ATs, should be suspected irrespective of P-wave morphologies when AT shows broad propagation from the anterior interatrial septum.

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