Optimal treatment of biatrial tachycardia diagnosed by one-chamber mapping within an ultrahigh-resolution mapping system.

Autor: Mizuno, Yosuke, Kumazawa, Daiki, Maeda, Manabu, Onodera, Kosuke, Nomura, Takehiro, Yamashita, Kennosuke
Zdroj: Journal of Cardiology Cases; Jan2024, Vol. 29 Issue 1, p19-22, 4p
Abstrakt: Biatrial tachycardia (BiAT) is a rare arrhythmia, and identification of the re-entry circuit is often complicated. By creating an activation map of the right atrium, left atrium, and coronary sinus as a single chamber, the LUMIPOINT module of the Rhythmia mapping system (Boston Scientific, Marlborough, MA, USA) can be used in real time to make an accurate diagnosis. Ablation of the Bachmann bundle is a feasible way to terminate BiAT, but might cause interatrial conduction delay and electrical isolation of the left atrial appendage. Chemical ablation into the vein of Marshall might be the more beneficial treatment, avoiding any potential interatrial conduction delay. • Biatrial tachycardia (BiAT) is a rare arrhythmia, and identification of the re-entry circuit is crucial. • Ablation of the Bachmann bundle is a feasible way to terminate BiAT but might cause interatrial conduction delay. • Optimal BiAT treatment is controversial. If the circuit involves the vein of Marshall, ethanol infusion might be more beneficia treatment. [ABSTRACT FROM AUTHOR]
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