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McGill University, Montreal General Hospital, 1650 Cedar Ave, Room D10-145-3, Montreal, H3G 1A4 Canada
(Email: david.bracco@mcgill.ca).
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Of 234 million surgical procedures performed worldwide each year, approximately 1 million are cardiac patients. The incidence of cardiac arrest after cardiac surgery is between 1% and 3% and shows a decrease in recent years. By extrapolation, 10,000 to 30,000 cardiac arrests occur after cardiac surgery yearly. Observed survival after in-hospital cardiac arrest is poor. It ranges from 11% for pulseless electrical activity or asystole to 36% at best for ventricular tachycardia or ventricular fibrillation. These outcomes have remained roughly unchanged for the last 40 years. Expected survival-to-hospital discharge after cardiac surgery due to cardiac arrest ranges between 20% and 80%. This is a better prognosis due to the highly monitored settings in which cardiac arrest occurs, as well as the high prevalence of conditions that may be rapidly improved, such as ventricular fibrillation, hypovolemia, cardiac tamponade, or tension pneumothorax. Unfortunately, there are still unmet needs pertaining
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