Yosuke Nakatani, F Daniel Ramirez, Masateru Takigawa, Takashi Nakashima, Clémentine André, Cyril Goujeau, Philipp Krisai, Takamitsu Takagi, Tsukasa Kamakura, Vlachos Konstantinos, Aline Carapezzi, Ghassen Cheniti, Romain Tixier, Nicolas Welte, Remi Chauvel, Josselin Duchateau, Thomas Pambrun, Nicolas Derval, Frédéric Sacher, Meleze Hocini, Michel Haïssaguerre, Pierre Jaïs
BACKGROUND: Abnormal atrial potentials (AAPs) recorded during sinus rhythm/atrial pacing may indicate areas of slow conduction capable of supporting reentrant atrial tachycardia (AT). Therefore, we sought to examine the relationship between AAPs and AT circuits. METHODS: One hundred twenty-three reentrant ATs in 104 patients were analyzed. AAPs, consisting of fragmented potentials and split potentials, were assessed using the Rhythmia LUMIPOINT algorithm. RESULTS: There was 93±13% overlap between areas with AAPs during sinus rhythm/atrial pacing and areas of slow conduction along the reentry circuit during AT...
September 20, 2023: Circulation. Arrhythmia and Electrophysiology