Cardiovascular complications with atrial fibrillation and non‐cardiac surgery

This study compared the revised cardiac risk index and three atrial fibrillation thrombo‐embolic risk models for predicting 30‐day cardiovascular events after non‐cardiac surgery in patients with a pre‐operative history of atrial fibrillation.

Such patients had a higher rate of 30 day myocardial injury, heart failure, stroke, resuscitated cardiac arrest or cardiovascular death (29% vs. 13%).

The study found that the revised cardiac risk index was outperformed by other thromboembolic scores – CHADS2 , CHA2DS2‐VASc and R2CHADS2.

However “none of the four models exhibited strong discrimination metrics. There remains a need to develop a better peri‐operative risk prediction model.”

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