• Anneliese Moerman and Stefan De Hert.
• Department of Anesthesiology, Ghent University Hospital, Ghent University, Ghent, Belgium.
• Curr Opin Anaesthesiol. 2015 Dec 1; 28 (6): 703-9.

Purpose Of ReviewThere is an increasing interest in the application of near-infrared spectroscopy (NIRS) as a monitoring tool in noncardiac surgery. This review summarizes the latest developments and current evidence for the use of NIRS in the noncardiac intraoperative setting.Recent FindingsUnanticipated intraoperative physiological disturbances and a substantial interpatient variability in the limits of cerebral autoregulation, pose our patients at risk for adverse cerebral outcome, if the brain is not monitored specifically. In addition to a means to monitor the brain, NIRS has been shown to allow an estimate of overall organ oxygenation. Preliminary data suggest a relationship between cerebral desaturation and both neurologic and major organ morbidity.SummaryNIRS offers noninvasive monitoring of cerebral and overall organ oxygenation in a wide range of clinical scenarios. There is an increasing evidence that the optimized cerebral oxygenation is associated with improved outcomes in both neurologic and major organ morbidity in a variety of surgical settings.

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