Improvement of left ventricular function after changing the pacing site in a child with isolated congenital complete atrioventricular block and dilated cardiomyopathy

被引：13
作者：
Takasugi, H [1 ]
Watanabe, K [1 ]
Ono, Y [1 ]
Echigo, S [1 ]
机构：
[1] Natl Cardiovasc Ctr, Dept Pediat, Suita, Osaka 5658565, Japan
来源：
PEDIATRIC CARDIOLOGY | 2005年 / 26卷 / 01期
关键词：
congenital complete atrioventricular block; pacemaker implantation; dilated cardiomyopathy; myocardial scintigraphy; interventricular aynchrony; left bundle branch block;
D O I：
10.1007/s00246-003-0661-6
中图分类号：
R5 [内科学];
学科分类号：
1002 ; 100201 ;
摘要：
We report a case of isolated congenital complete atrioventricular block with left ventricular dysfunction after pacemaker implantation that improved after the pacing site was changed. During the neonatal period, a pacemaker wire was implanted on the right ventricular epicardium and pacing was initiated. Decreased ejection fraction and a perfusion defect around the septum on myocardial scintigraphy were observed during follow-up. Induced left bundle branch block was thought to be causing interventricular asynchrony, and the pacing site was change to the left ventricular epicardium. Ejection fraction improved and the perfusion defect resolved. Lead relocation may be useful for left ventricular dysfunction that develops during right ventricular pacing.
引用
收藏
页码：87 / 89
页数：3
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