Ablation of ventricular tachycardia from coronary sinus in congenitally corrected transposition of great arteries.
American journal of cardiovascular disease(2023)
摘要
Congenitally corrected transposition of the great arteries (ccTGA) compromises less than 1% of all congenital heart diseases, where the RV is the systemic ventricle. It can be associated with heart block, twin AV nodes and accessory pathway connections. Idiopathic Ventricular tachycardia (VT) is not common, with only few reported cases, and they were scar related. Previously reported cases of VT ablation from coronary venous sinus (CVS) are in structurally normal hearts. We performed a VT ablation in ccTGA patient from the CVS, resulting in symptomatic improvement and a decrease in PVC burden from 35% to less than 1%. CVS should be considered as a potential site in ccTGA patients especially when PVCs have RBBB morphology and superior axis.
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关键词
VTach, ventricular tachycardia, transposition, TGA, ccTGA, congenitally corrected, coronary sinus
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