Readmission costs related to intensive care after cardiac surgery. analysis of risk factors and costs within six months after discharge using an administrative registry

Prolonged stay in intensive care unit (ICU) after cardiac surgery may increase the long-term risk of readmission. Preoperative risk factors, surgical complications, infections and organ failure may need specific intensive support, increasing costs of reimbursement mainly for ICU interventions. Readmission costs over months after discharge may be a dependant of the need of intensive care.