Abstract
This document provides an overview of current problems and trends in the catheter ablation of atrial fibrillation, summarizes the opinions of specialists, obtained during a web-based electronic survey, on aspects and parameters of radiofrequency ablation. The approaches on improving the efficacy and safety of radiofrequency catheter ablation of atrial fibrillation are provided.
Highlights
This document provides an overview of current problems and trends in the catheter ablation of atrial fibrillation, summarizes the opinions of specialists, obtained during a web-based electronic survey, on aspects and parameters of radiofrequency ablation
In a meta-analysis of 5 studies, it was shown that the use of the ablation index compared with the Contact Force (CF) is associated with a reduced risk of pulmonary veins (PV) reconnections during the acute period atrial fibrillation (AF) ablation and a low incidence of atrial arrhythmias during a one-year follow-up [52]
pulmonary veins isolation (PVI) separately or carina ablation between ipsilateral veins Earlier, in some studies, it was shown that the carina between the upper and lower PV can be the source of trigger arrhythmias that induce and maintain AF [59, 60]
Summary
CATHETER ABLATION: OPINION OF THE SPECIALISTS WHO USE THE “ABLATION INDEX” MODULE E.N.Mikhaylov, N.Z.Gasimova, S.A.Ayvazyan, E.A.Artyukhina, G.A.Gromyko, E.A.Ivanitskii, G.V.Kolunin, A.N.Morozov, Sh.G.Nardaya, M.S.Rybachenko, O.V.Sapelnikov, D.S.Lebedev1 1Almazov National Medical Research Centre, Russia, Saint-Petersburg, 2 Akkuratova str; 2«Volga Regional Medical. The distribution of the expected effectiveness of catheter ablation of paroxysmal and persistent AF is shown in Fig. 4 and 5, respectively In this aspect, the results of a survey of experts on the alleged absence of arrhythmia recurrence are presented when observed within 12 months after ablation without antiarrhythmic therapy. Newer studies demonstrate that if patients do not develop arrhythmia recurrence by the end of the first three months, the use of a previously ineffective antiarrhythmic drug is associated with a decrease in the incidence of atrial tachyarrhythmias during long-term follow-up [38]. Most experts are guided by the following AI parameters: 400-500 for the anterior LA wall and 350-450 for the posterior LA wall (Fig. 13)
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