Key result
Transoesophageal echocardiography-guided immediate cardioversion in low-risk patients yielded 75% sinus rhythm maintenance at 1 month versus 45% with conventional warfarin therapy (P<0.01).
Why the study?
Does TEE-guided immediate cardioversion using specific low-risk criteria prevent thromboembolism and improve sinus rhythm maintenance compared to conventional warfarin therapy in patients with atrial fibrillation or flutter >2 days?
Population
242 consecutive patients referred for cardioversion of atrial fibrillation or flutter with a duration of…
Comparison
Immediate cardioversion guided by… vs Conventional warfarin treatment before…
Design
Cohort
Follow-up
1 month
Authors
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Supports TEE-guided immediate cardioversion in low-risk AF; leaves open need for randomized confirmation of safety and efficacy.
Cohort (n=242)
Does TEE-guided immediate cardioversion using specific low-risk criteria prevent thromboembolism and improve sinus rhythm maintenance compared to conventional warfarin therapy in patients with atrial fibrillation or flutter >2 days?
Absolute Event Rate: 75% vs 45%
p-value: p=<0.01
TEE-guided immediate cardioversion using strict low-risk criteria is safe from thromboembolic events and associated with better 1-month sinus rhythm maintenance compared to conventional delayed cardioversion.
Anders Roijer (2000) conducted a cohort in Atrial fibrillation or flutter (n=242). Immediate cardioversion guided by transoesophageal echocardiography vs. Conventional warfarin treatment before cardioversion was evaluated on Maintenance of sinus rhythm at 1 month (p=<0.01). Transoesophageal echocardiography-guided immediate cardioversion in low-risk patients yielded 75% sinus rhythm maintenance at 1 month versus 45% with conventional warfarin therapy (P<0.01).
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