Why the study?
Does the existence of LA voltage areas < 0.4 mV covering more than 10% of the total LA surface area predict arrhythmia recurrence following PVAI for paroxysmal AF?
Does the existence of LA voltage areas < 0.4 mV covering more than 10% of the total LA surface area predict arrhythmia recurrence following PVAI for paroxysmal AF?
The presence of extensive left atrial low-voltage areas (>10% of surface area at <0.4 mV) identified by high-density mapping is a predictor of arrhythmia recurrence after ablation for paroxysmal atrial fibrillation.
May aid post-PVAI risk stratification in paroxysmal AF; hypothesis-generating and requires prospective validation before guiding ablation.
These data demonstrate that the existence of LA voltage areas < 0.4 mV more than 10% of the total LA surface area predicts arrhythmia recurrence following PVAI for paroxysmal AF.
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Vlachos et al. (2017) studied this question.
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