Key result
A 4-day Holter monitor at 12 months post-ablation achieved 88% sensitivity for detecting atrial fibrillation recurrence, compared to 53% for a 1-day Holter.
Why the study?
Does a 7-day Holter monitor improve the detection of arrhythmia recurrences compared to shorter monitoring durations in patients 12 months after PVI for paroxysmal AF?
Cohort (n=96)
Does a 7-day Holter monitor improve the detection of arrhythmia recurrences compared to shorter monitoring durations in patients 12 months after PVI for paroxysmal AF?
Absolute Event Rate: 88% vs 53%
A 4-day Holter monitor at 12 months post-PVI provides 88% sensitivity for detecting arrhythmia recurrences, offering a sufficient monitoring duration without significantly lower yield than a 7-day monitor.
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May support 4-day Holter for post-PVI AF surveillance; leaves open whether longer durations add yield in routine care.
Mulder et al. (2011) conducted a cohort in paroxysmal atrial fibrillation (n=96). 4-day Holter monitoring vs. 1-day Holter monitoring was evaluated on Sensitivity for detection of atrial fibrillation recurrence. A 4-day Holter monitor at 12 months post-ablation achieved 88% sensitivity for detecting atrial fibrillation recurrence, compared to 53% for a 1-day Holter.
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