Elucidating left atrial electrical potential with microelectrode catheter: A case of coronary sinus ostial atresia with small persistent left superior vena cava

被引：0
作者：
Kimura, Kohki [1 ,2 ]
Harita, Takeshi [1 ]
Haruna, Tetsuya [1 ]
机构：
[1] Med Res Inst Kitano Hosp, Div Arrhythmia, Osaka, Osaka, Japan
[2] Med Res Inst Kitano Hosp, Div Arrhythmia, 2-4-20 Ogimachi,Kitaku, Osaka, Osaka 5308480, Japan
来源：
PACE-PACING AND CLINICAL ELECTROPHYSIOLOGY | 2024年
关键词：
accessory pathway; catheter ablation; coronary sinus ostial atresia; microelectrode catheter; para-Hisian pacing; persistent left superior vena cava;
D O I：
10.1111/pace.14977
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
A 51-year-old woman presented with recurring palpitations. Electrocardiography revealed narrow QRS tachycardia with short RP configuration. Computed tomography showed coronary sinus (CS) ostial atresia along with a small persistent left superior vena cava (PLSVC). Electrophysiological study identified the retrograde earliest atrial activation site (EAAS) at the CS ostium without decremental properties, and para-Hisian pacing suggested retrograde atrioventricular nodal conduction. Using a 1.6-Fr microelectrode catheter distally placed in the CS via the PLSVC, EAAS was confirmed within the left atrium, not the CS ostium. Transseptal approach revealed a left lateral accessory pathway, which was successfully eliminated.
引用
收藏
页码：1373 / 1376
页数：4
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