Clinical evaluation of disorganization during atrial fibrillation as a guide to radiofrequency ablation

Antonio Michelucci, Pietro Bartolini, Giovanni Calcagnini, Luigi Padeletti, Andrea Colella, Paolo Pieragnoli, Federica Censi, Sandra Morelli, Vincenzo Barbaro

Research output: Contribution to journalArticlepeer-review

Abstract

Aim of this study was to investigate the spatial patterns of organization of fibrillation in the right atrium using bipolar recordings from a basket catheter. Study population consists of 17 patients with persistent atrial fibrillation (AF), selected a priori for low energy internal cardioversion. Organization was measured by the number of occurrences - i.e. the percentage number of points laying on the baseline - which has been demonstrated to match Wells' criteria for the classification of AF. Well-defined and stable patterns of organization characterize the electrical activity of the right atrium in these patients. The organization in the entire right atrium showed an individual rather than common distribution. This may have implications in the choice of regions candidate for ablation.

Original languageEnglish
Pages (from-to)419-427
Number of pages9
JournalAnnali dell'Istituto Superiore di Sanita
Volume37
Issue number3
Publication statusPublished - 2001

Keywords

  • Atrial fibrillation mapping
  • Basket catheter
  • Organization pattern

ASJC Scopus subject areas

  • Public Health, Environmental and Occupational Health

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