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방실결절 회귀성 빈맥의 해부학적 접근법에 의한 도자절제술시 성공한 해부학적 위치

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Affiliated Author(s)
김윤년
Alternative Author(s)
Kim, Yoon Nyun
Journal Title
순환기
ISSN
1225-164X
Issued Date
1999
Keyword
Catheter ablationAV nodal reentrant tachycardiaAnatomy
Abstract
Intracardiac electrocardiographic
finding using as a guide for selective catheter
ablation in patients with AV nodal reentrant tachycardia (AVNRT) is not specific. Therefore, we evaluated the
efficacy and safety of the anatomical approach for catheter ablation in patients with AVNRT. Materials and
Methods:Among the patients diagnosed as AVNRT by electrophysiologic study, total 66 patients (M:F=
26:40) were included in this study. In the right anterior oblique radiographic view, the septal annulus of
tricuspid valve, extending from the most posterior region of the annulus adjacent to coronary sinus ostium
(posterior) to His bundle recording site (anterior), was divided into posterior (P), mid (M), and anterior (A)
sites. Radiofrequency (RF) energies were applied from the posterior part to the anterior part sequentially
along the septal annulus of tricuspid valve until successful ablation. Results:Successful anatomical sites
were located in posterior (11 patients), mid (48 patients), and anterior (7 patients) sites. The most patients (62
patients) were treated with slow pathway ablation except 4 patients in whom fast pathway was ablated.
Probable slow potentials were observed in 8 patients (12%, 3 in posterior sites and 5 in mid sites). Transient
complete AV block followed by first degree AV block and delayed complete AV block was occured in one
case whose ablation site was A1. And another 3 patients had postablation first degree AV block. Conclusion:
In patients with AVNRT, the ablated pathway were different according to successful anatomical site. And RF
catheter ablation of atrioventricular nodal reentrant circuit guided by anatomical landmark is safe and
efficacious. (Korean Circulation J 1999;29(2):174-181)
KEY WORDS:Catheter ablation·AV nodal reentrant tachycardia·Anatomy.
Alternative Title
Anatomical Sites of the Successful Catheter Ablation Using the Anatomic Approach in Patients with AV Nodal Reentrant Tachycardia
Department
Dept. of Internal Medicine (내과학)
Publisher
School of Medicine
Citation
송광수 et al. (1999). 방실결절 회귀성 빈맥의 해부학적 접근법에 의한 도자절제술시 성공한 해부학적 위치. 순환기, 29(2), 174–181.
Type
Article
ISSN
1225-164X
URI
https://kumel.medlib.dsmc.or.kr/handle/2015.oak/36739
Appears in Collections:
1. School of Medicine (의과대학) > Dept. of Internal Medicine (내과학)
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