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September 10, 2009Pacing and Clinical ElectrophysiologyOpen Access

Simultaneous multisite mapping identified potential AF drivers in 11 of 24 patients, located near pulmonary veins in paroxysmal AF but not in persistent AF (P<0.05).

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Why the study?

Does simultaneous multisite mapping identify potential drivers of human atrial fibrillation?

Population

24 patients with atrial fibrillation (12 persistent), mean age 61+/-10 years

Design

Cross-sectional, Blinded analysis for mapping ablation lesions to driver sites

Key result

Simultaneous multisite mapping identified potential AF drivers in 11 of 24 patients, located near pulmonary veins in paroxysmal AF but not in persistent AF (P<0.05).

Authors

DKDavid E. KrummenKPKevin A. PengJBJohn Bullinga

Discussion

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Overview

Simultaneous multisite mapping may detect AF drivers with type-specific locations; leaves open whether targeting improves ablation outcomes.

Study Design

Type

Observational (n=24)

Blinding

Blinded analysis

Structured PICO

Does simultaneous multisite mapping identify potential drivers of human atrial fibrillation?

P
Population
24 patients with atrial fibrillation (12 persistent), mean age 61+/-10 years
I
Intervention
Simultaneous mapping using 32 left atrial bipolar basket electrodes, pulmonary veins, coronary sinus, and right atrial electrodes
O
Outcome
Identification of potential AF drivers (sites with higher rate and regularity than surrounding tissue)surrogate

Main Result

p-value: p=<0.05

Simultaneous multisite mapping identifies potential AF drivers near pulmonary veins in paroxysmal AF, but at the coronary sinus and LA roof in persistent AF.

Cite This Study

Krummen et al. (2009) conducted an observational in Atrial fibrillation (n=24). Simultaneous multisite mapping vs. Sequential mapping was evaluated on Evidence for potential AF drivers (p=<0.05). Simultaneous multisite mapping identified potential AF drivers in 11 of 24 patients, located near pulmonary veins in paroxysmal AF but not in persistent AF (P<0.05).

synapsesocial.com/papers/6a0ea984218372ada647a4d3https://doi.org/10.1111/j.1540-8159.2009.02525.x
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Also Consider

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  1. 1Localized Sources Maintaining Atrial Fibrillation Organized by Prior Ablation2006 · 232 citations
  2. 2Individual patterns of stable high-rate activity during atrial fibrillation are determined by local slow-conduction and predict arrhythmia recurrence - insights from non-invasive global mapping2026
  3. 3Interaction of Localized Drivers and Disorganized Activation in Persistent Atrial Fibrillation2018 · 36 citations
  4. 4Weakly-Coupled Oscillators with Long-Distance Correlation as a Model of Human Atrial Fibrillation2021 · 2 citations
  5. 5Organizational Index Mapping to Identify Focal Sources During Persistent Atrial Fibrillation2014 · 33 citations