Near-infrared spectroscopy in adult cardiac surgery:between conflicting results and unexpected uses

<正>Neurological complications after cardiac surgery,ranging from permanent stroke to transient dysfunction,represent a key issue in the management of geriatric patients.Many patients aged 70 or more have history of neurological dysfunctions,which increases the risk of complications and sequelae.[1-3]Severe neurologic diseases,such as strokes,occur in up to 6%of patients undergoing cardiac surgery.[4]