Abstract 12295: The Timing of Appearance of Untimely Dissociated Potentials After Pulmonary Vein Isolation for Atrial Fibrillation is Related to the Respiratory Phase

Abstract only Introduction: Ectopic beats originating from the pulmonary vein (PV) trigger atrial fibrillation (AF). However, the mechanism and timing of Ectopic beat occurrence remain unclear. Hypothesis: The dissociated potentials (DPs) after pulmonary vein isolation (PVI) for AF are related to th...

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Published in:Circulation (New York, N.Y.) N.Y.), 2023-11, Vol.148 (Suppl_1)
Main Authors: Mine, Takanao, Sugitani, Miho, Kogame, Takehiro, Fukuhara, Eiji, Ishihara, Masaharu
Format: Article
Language:English
Online Access:Get full text
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Summary:Abstract only Introduction: Ectopic beats originating from the pulmonary vein (PV) trigger atrial fibrillation (AF). However, the mechanism and timing of Ectopic beat occurrence remain unclear. Hypothesis: The dissociated potentials (DPs) after pulmonary vein isolation (PVI) for AF are related to the respiratory phase and left atrial pressure (LAP). Methods: 93 patients underwent AF ablation under deep sedation and BiPAP ventilation. [Study1] Respiratory waveforms of 20 patients were recorded simultaneously with LAP. [Study2] In 73 patients, DPs after PVI or left atrial posterior wall (LAPW) isolation were recorded simultaneously with respiratory waveforms for 3 min, and the preceding coupling intervals (CI) of all DPs were measured. Sites with DPs frequencies
ISSN:0009-7322
1524-4539
DOI:10.1161/circ.148.suppl_1.12295