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Related Concept Videos

Pulse Oximetry01:24

Pulse Oximetry

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Standardized Hemorrhagic Shock Induction Guided by Cerebral Oximetry and Extended Hemodynamic Monitoring in Pigs
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Cerebral and tissue oximetry.

Jochen Steppan1, Charles W Hogue1

  • 1Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins Medical Institutions, Baltimore, MD, USA.

Best Practice & Research. Clinical Anaesthesiology
|December 7, 2014
PubMed
Summary
This summary is machine-generated.

Near-infrared spectroscopy (NIRS) is used in cardiac surgery for brain oxygen monitoring. However, definitive outcome data are sparse, so routine use is not yet recommended.

Keywords:
NIRSanesthesiacardiac surgerycerebral autoregulationmonitornear-infrared spectroscopy

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Area of Science:

  • Medical technology
  • Cardiovascular surgery
  • Neuroscience

Background:

  • Near-infrared spectroscopy (NIRS) is increasingly used in cardiac surgery.
  • NIRS measures regional cerebral oxygen saturation by analyzing light absorption through tissues.
  • Current data on NIRS's impact on patient outcomes are limited.

Purpose of the Study:

  • To evaluate the current status and future potential of NIRS in cardiac surgery.
  • To assess the evidence supporting the routine use of NIRS.
  • To explore novel applications of NIRS technology.

Main Methods:

  • Review of existing literature on NIRS use in cardiac surgery.
  • Analysis of data regarding NIRS's ability to measure tissue oxygenation.
  • Investigation into emerging NIRS applications in specific patient groups and organs.

Main Results:

  • NIRS is a popular tool for monitoring cerebral oxygenation during cardiac surgery.
  • Definitive evidence demonstrating outcome benefits from NIRS use is lacking.
  • Research is exploring NIRS for pediatric patients and monitoring other organs like kidneys and the gut.

Conclusions:

  • Widespread, routine use of NIRS as a standard-of-care monitor is not currently recommended due to insufficient outcome data.
  • NIRS shows promise in specific subgroups, such as pediatric patients.
  • Novel applications in monitoring cerebral autoregulation and tissue oxygenation in organs beyond the brain are emerging.