Abstract
Background: In addition to the known pre- and intraoperative risk factors for brain injury in infants undergoing corrective surgery of congenital heart defects, alteration of cerebral oxygenation and hemodynamics during the early postoperative period could be a contributing factor. Continuous monitoring of regional cerebral hemoglobin saturation (rSaO2) by near-infrared spectroscopy (NIRS) which correlates with cerebral venous blood saturation determined by invasive methods may provide non-invasive and bedside information on cerebral oxygen supply and consumption in critically ill infants. The aim of the study was to measure continuously the change in rSaO2 immediately after cardiac surgery involving hypothermic cardiopulmonary bypass(CPB) in young infants.
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