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RISS 인기검색어
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- 저자 : 손경수(Kyeong Soo Sohn) (검색결과 1 건)
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방실결절회귀빈맥의 치료에서 Slow Pathway 의 Radiofrequency Catheter Ablation 에 관한 연구
손경수(Kyeong Soo Sohn),구성회(Seong Hoe Koo),성지동(Ji Dong Seong),송종민(Jong Min Song),여정석(Jeong Seok Yeo),김동운(Dong Woon Kim),조성욱(Seong Wook Cho),현민수(Min Su Hyon),손대원(Dae Won Sohn),오병희(Byung Hee Oh),이명묵(Myoung 대한내과학회 1995 대한내과학회지 Vol.49 No.1
N/A Atrioventricular(AV) nodal reentry is a common cause of supraventricular tachycardia. For the treatment of atrioventricular nodal reentrant tachycardia (AVNRT), antiarrhythmic drug therapy requires long-term use of drugs and surgical ablation may be curative therapy but has problems of open heart surgery. Radiofrequency catheter ablation(RFCA) is reported to be safe and effective treatment modality for the frequently recurrent and severely symptomatic AVNRT. The results of treatment of AVNRT by RFCA of slow pathway is as follows. 1) The study consisted of 32 participants and the sex ratio (M: F) waw 8:24, the mean age was 40.9±15.8 yrs(19-72yrs). 2) At the electrophysiological study before RFCA, the type of reentry was common in 29 cases, uncommon in 1 case and in 2 cases were both common and uncommon type. 3) The applied modes of RFCA were constant power mode in 2 cases and temperature mode in 30 cases. 4) The number of radiofrequency current application till successful ablation was 12.1±9.1(3-39)and the mean power of applicated radiofequency current was 28.7±10.8W(8.2-41.3W). 5) Effective refractory period of antegrade fast pathwy (ERPfa) after ablation (220.0±43.3msec), in comparison with that before ablation(253.3±55. 8msec), has no statistical significance but has reducing tendency. The other parameters such as AH interval of antegrade fast pathway (AHfa), antegrade Wenckebach block cycle length (AWBCL), effective refractory period period of ventriculoatrial conduction system (ERPvacs) and ventriculoatrial block cycle length (VABCL) have no significant differences. 6) Complete AV block developed in only 1 patient who had underlying sinus dysfunction. 7) The follow-up duration was 7±3 months(1-13 months)and there was no AVNRT recurrence during this period. We conclude that the selective RFCA of slow pathway is a safe and effective treatment of AVNRT.
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