Why the study?
Does postoperative atrial fibrillation reduce long-term survival in patients undergoing first valvular surgery?
Cohort (n=2,986)
No
Does postoperative atrial fibrillation reduce long-term survival in patients undergoing first valvular surgery?
Effect estimate: HR 1.17 (95% CI 1.00 to 1.38)
Absolute Event Rate: 45.7% vs 61.4%
p-value: p=0.051
Postoperative atrial fibrillation is associated with reduced long-term survival following aortic valve replacement, but not mitral valve surgery.
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Christopher Butler (2005) conducted a cohort in First valvular surgery (n=2,986). Postoperative atrial fibrillation vs. No postoperative atrial fibrillation was evaluated on Long-term survival (all-cause death) (HR 1.17, 95% CI 1.00 to 1.38, p=0.051).
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