Key result
Mechanical ventilation over 6 hours is linked to ~69% higher odds of post-CABG atrial fibrillation.
Why the study?
The role of risk factors, including duration of mechanical ventilation, in the etiology of postoperative atrial fibrillation after CABG was not fully established.
Do prolonged mechanical ventilation time, advanced age, and elevated EuroSCORE predict postoperative atrial fibrillation in patients undergoing isolated CABG?
Population
1040 patients undergoing isolated CABG
Comparison
Prolonged mechanical ventilation time (≥6 hours) vs shorter ventilation time
Design
Retrospective cohort study with multivariate analysis
Follow-up
Postoperative hospital stay
Authors
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May support enhanced POAF monitoring after CABG with prolonged ventilation; leaves open causal confirmation in prospective studies.
Cohort (n=1,040)
No
Do prolonged mechanical ventilation time, advanced age, and elevated EuroSCORE predict postoperative atrial fibrillation in patients undergoing isolated CABG?
Odds Ratio: 1.69 (95% CI 1.092–2.615)
Absolute Event Rate: 14% vs 8.8%
p-value: p=0.018
Prolonged mechanical ventilation time (≥6 hours), advanced age, and elevated EuroSCORE are independent predictors of postoperative atrial fibrillation after isolated CABG.
Erdil et al. (2013) conducted a cohort in Postoperative atrial fibrillation (n=1,040). Prolonged mechanical ventilation (≥6 hours) vs. Mechanical ventilation <6 hours was evaluated on Postoperative atrial fibrillation (OR 1.690, 95% CI 1.092-2.615, p=0.018). Prolonged mechanical ventilation over 6 hours was associated with a 1.69-fold higher odds of developing postoperative atrial fibrillation after isolated coronary artery bypass grafting.
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