Publication details

Katetrizační ablace fibrilace síní

Title in English Catheter ablation of atrial fibrillation
Authors

LÁBROVÁ Růžena ŠPINAR Jindřich

Year of publication 2008
Type Article in Periodical
Magazine / Source Kardiol. Rev
MU Faculty or unit

Faculty of Medicine

Citation
Field Cardiovascular diseases incl. cardiosurgery
Keywords atrial fibrillation paroxysmal persistent permanent radiofrequency catheter ablation electrical isolation of pulmonary veins combination techniques
Description Atrial fibrillation is the most frequent disorder of heart rhythm with constantly increasing incidence and prevalence. Although pharmacotherapy remains the primary method of choice to treat the fibrillation it slowly becomes ineffective and may produce side effects and adverse events. The selective catheter ablation interferes with the pathophysiological mechanism of onset and preservation of atrial fibrillation and as a result it restitutes sinus rhythm. In paroxysmal atrial fibrillation we usually electrically isolate active ectopic foci in pulmonary veins antrums. In persistent or permanent form of atrial fibrillation we perform a more complex ablation because in these cases electrical and functional atrial remodelation has already developed. Besides performing wider circle leasions around the pulmonary veins antrums we proceed with another linear leasions in the left atrium, sometimes in the right atrium and coronary sinus, respectively. Such leasions affect reentry circles in atrial wall that help the fibrillation preserve.
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