New tailored approach using a revised assessment of fragmented potentials for persistent atrial fibrillation: Early area defragmentation by modified CFAE module

Journal of Cardiovascular Electrophysiology
Masatsugu OheYoshihiro Fukumoto

Abstract

Pulmonary vein isolation (PVI) is widely performed for atrial fibrillation (AFib). However, it is insufficient to maintain sinus rhythm (SR) in persistent and long persistent atrial fibrillation (Per-AFib). Ablation of complex fractionated atrial electrograms (CFAEs) is currently classified as class IIb, However, the concept of length of potential was different between the current CFAE module of CARTO system and the definition of CFAE potential. The current CFAE module was configured in the shortest complex interval (SCI) mode, in which the meaning of length of potential was the interval of each component of fragmented potentials. That was a part of the potential. On the other hand, the meaning of the definition of CFAE potential was the length of fragmented potential itself. The purpose of this study was to essentially evaluate fragmented potentials by revisiting in interval confidence level (ICL) mode and express them on the map and prospectively investigate the efficacy and prognosis of a new tailored approach for defragmentation, which is called early area defragmentation (EADF). We acquired atrial potentials by modified CFAE module in ICL mode (K-CFAE potential) and visualized the distribution of K-CFAE potential (K-CFAE m...Continue Reading

References

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Citations

Dec 18, 2019·Journal of Arrhythmia·Koichiro Kumagai

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