Prophylactic Ablation During Cardiac Surgery to Prevent Atrial Fibrillation
Author Information
Author(s): Visanji Mika’il, Belley-Côté Emilie P, Pandey Ashok, Amit Yael, McClure Graham R, Young Jack, Um Kevin J, Oraii Alireza, Healey Jeff S, Whitlock Richard P, McIntyre William F
Primary Institution: McMaster University
Hypothesis
Does prophylactic ablation during cardiac surgery in patients without a history of atrial fibrillation prevent atrial fibrillation?
Conclusion
Prophylactic ablation during cardiac surgery may prevent atrial fibrillation in patients without a history of the arrhythmia.
Supporting Evidence
- Patients who received prophylactic ablation were less likely to have early postoperative atrial fibrillation (21% vs 37%).
- Patients receiving prophylactic ablation had a lower incidence of clinical atrial fibrillation at follow-up (3% vs 10%).
- The quality of evidence for the outcomes was rated as low due to risk of bias and inconsistency.
Takeaway
This study suggests that doing a special procedure during heart surgery can help stop a common heart problem called atrial fibrillation from happening.
Methodology
A systematic review and meta-analysis of randomized controlled trials assessing the effect of prophylactic ablation during cardiac surgery.
Potential Biases
High risk of bias in some trials due to post-randomization exclusions and lack of blinding.
Limitations
The included studies were small, open-label, and assessed AF using variable methods, which limits the generalizability of the findings.
Participant Demographics
Mean age of participants was 66 years, with 15.8% being women.
Statistical Information
P-Value
0.5 for early postoperative AF, 0.3 for incident clinical AF
Confidence Interval
0.3–0.8 for early postoperative AF, 0.2–0.7 for incident clinical AF
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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