Key result
Elective cardioversion maintains 12-month sinus rhythm in ~46% of AF patients, strongly predicted by 1-month success.
Why the study?
The prevalence and predictors of persistent sinus rhythm in recent unselected cohorts undergoing electrical cardioversion for atrial fibrillation needed evaluation.
What is the prevalence and what are the predictors of maintaining sinus rhythm at 12 months after elective electrical cardioversion in patients with atrial fibrillation?
Cohort (n=300)
What is the prevalence and what are the predictors of maintaining sinus rhythm at 12 months after elective electrical cardioversion in patients with atrial fibrillation?
Effect estimate: OR 18.28 (95% CI 3.3-100)
p-value: p=0.001
Less than half of unselected patients maintain sinus rhythm 12 months after elective electrical cardioversion, but early re-evaluation at 1 month strongly predicts long-term success.
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May guide 1-month reassessment after cardioversion; leaves open whether predictors refine selection in broader AF populations.
Castrichini et al. (2021) conducted a cohort in Atrial fibrillation (n=300). Elective electrical cardioversion was evaluated on Maintenance of sinus rhythm at 12 months after electrical cardioversion (OR 18.28, 95% CI 3.3-100, p=0.001). Elective electrical cardioversion for atrial fibrillation resulted in 45.7% of patients maintaining sinus rhythm at 12 months, with sinus rhythm at 1 month strongly predicting success (OR 18.28).
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