Interv Akut Kardiol. 2013;12(1):12-18

Vztah mezi automaticky detekovanými komplexními frakcionovanými elektrogramy a místy ukončené dlouhodobé perzistentní fibrilace síní při katetrové ablaci

Martin Fiala1,2, Dan Wichterle3,4, Veronika Bulková1,4, Libor Škňouřil1, Renáta Nevřalová1, Jan Chovančík1, Jaroslav Januška1, Jindřich Špinar2
1 Department of Cardiology, Heart Centre, Hospital Podlesí a. s., Třinec
2 Department of Cardiology and Angiology, University Hospital, Masaryk University, Brno
3 Department of Cardiology, Institute for Clinical and Experimental Medicine, Prague
4 Department of Cardiology and Angiology, First Faculty of Medicine, Charles University, Prague

Úvod: Komplexní frakcionované síňové potenciály (CFAE) mohou poskytnout vodítko při ablaci perzistentní fibrilace síní (FS). Tato studie hodnotila

vztah mezi automaticky detekovanými CFAE v srdečních síních a místy, v nichž došlo k ukončení dlouhodobé perzistentní FS ablací.

Metodika: Padesát konsekutivních pacientů podstoupilo stupňovanou ablaci dlouhodobé perzistentní FS. Před ablací byly vytvořeny

elektroanatomické mapy levé síně (LS), pravé síně (PS) a koronárního sinu (CS) s automaticky detekovanými CFAE. Stupňovaná ablace

se snahou obnovit sinusový rytmus jako ideálním cílovým momentem výkonu se provedla s použitím jednobarevné elektroanatomické

mapy. Vztah mezi místy CFAE a místy ukončení FS byl retrospektivně analyzován u 38 pacientů, u nichž byla FS terminována ablací.

Výsledky: Bylo nalezeno 70 míst CFAE v LS, 48 míst CFAE v PS a 20 míst CFAE v CS u 35 (92 %), 30 (79 %), respektive 19 (50 %) pacientů.

Průměrná vzdálenost mezi místem ukončení FS a nejbližším místem CFAE byla 21,7±17 mm. Průměrná vzdálenost mezi místem ukončení

FS a nejbližším místem CFAE ≤10, respektive 11–20 mm byla nalezena u 11 (29 %), respektive 10 (26 %) pacientů. Ukončení FS bylo dosaženo

až po ablaci 85±28 % míst CFAE v LS, 58±28 % míst CFAE v CS, a 16±33 % míst CFAE v PS.

Závěr: Ačkoli u většiny pacientů místa CFAE přímo nekorelovala s místy ukončení FS, většina míst CFAE v LS a více než polovina míst

CFAE v CS byla cílena před dosažením terminace FS, což naznačuje spíše kumulativní efekt ablace CFAE.

Keywords: fibrilace síní, dlouhodobá perzistentní, katetrová ablace, komplexní frakcionované síňové potenciály

Published: February 21, 2013  Show citation

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Fiala M, Wichterle D, Bulková V, Škňouřil L, Nevřalová R, Chovančík J, et al.. Vztah mezi automaticky detekovanými komplexními frakcionovanými elektrogramy a místy ukončené dlouhodobé perzistentní fibrilace síní při katetrové ablaci. Interv Akut Kardiol. 2013;12(1):12-18.
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