Key result
Cut-and-sew maze linked to ~99% lower stroke risk vs microwave ablation and highest sinus rhythm.
Why the study?
Do simplified maze procedures using radiofrequency, cryoenergy, or microwave energy sources improve outcomes compared to the traditional cut-and-sew approach in patients undergoing surgical treatment of atrial fibrillation?
Population
Patients undergoing surgical treatment of atrial fibrillation (pooled from 16 randomized trials)
Comparison
Simplified maze procedures involving… vs Traditional cut-and-sew maze procedure
Design
Meta-analysis
Follow-up
beyond 12 months
Authors
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Cut-and-sew maze should be prioritized over microwave ablation to lower stroke risk in surgical AF; reinforces its status as gold standard versus simplified techniques.
Meta-Analysis
Do simplified maze procedures using radiofrequency, cryoenergy, or microwave energy sources improve outcomes compared to the traditional cut-and-sew approach in patients undergoing surgical treatment of atrial fibrillation?
Effect estimate: OR <0.01 (95% CI 0.00, 0.82)
A Bayesian network meta-analysis suggests the traditional cut-and-sew approach remains the gold standard for surgical AF ablation due to superior sinus rhythm maintenance and lower stroke rates, despite potentially higher mortality.
Phan et al. (2014) conducted a meta-analysis in Atrial fibrillation. Radiofrequency, cryoenergy, and microwave ablation vs. Cut-and-sew maze procedure was evaluated on Stroke rates (OR <0.01, 95% CI 0.00, 0.82). The cut-and-sew maze procedure was associated with significantly lower stroke rates compared with microwave ablation (OR <0.01; 95% CI 0.00-0.82) and ranked best for sinus rhythm prevalence.
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