Key result
Electrical cardioversion of acute atrial fibrillation resulted in immediate bradyarrhythmia in 0.9% of procedures, with female sex (OR 2.5) and unsuccessful cardioversion (OR 2.2) as risk factors.
Why the study?
What is the incidence and what are the risk factors of arrhythmic complications after electrical cardioversion of acute atrial fibrillation?
Population
2868 consecutive patients undergoing 6906 electrical cardioversions for acute (<48 h) atrial fibrillation
Design
Cohort
Follow-up
Immediate (with later pacemaker follow-up at median 66 days)
Authors
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Reassures on rarity of bradyarrhythmia after acute AF cardioversion; leaves open whether identified risks warrant targeted monitoring in future studies.
Observational (n=3,143)
Yes
What is the incidence and what are the risk factors of arrhythmic complications after electrical cardioversion of acute atrial fibrillation?
Bradycardic complications after electrical cardioversion for acute AF are rare (0.9%) and generally benign, though they often predict the need for subsequent permanent pacemaker implantation.
Grönberg et al. (2013) conducted an observational in Acute atrial fibrillation (n=3,143). Electrical cardioversion was evaluated on Immediate arrhythmic complications (bradyarrhythmia). Electrical cardioversion of acute atrial fibrillation resulted in immediate bradyarrhythmia in 0.9% of procedures, with female sex (OR 2.5) and unsuccessful cardioversion (OR 2.2) as risk factors.
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