Peripheral near-infrared spectroscopy

methodologic aspects and a systematic review in post-cardiac surgical patients

Ethan Butler, Melissa Chin, Anders Aneman*

*Corresponding author for this work

Research output: Contribution to journalArticle

10 Citations (Scopus)


Loss of hemodynamic coherence between macrocirculatory oxygen parameters and the peripheral microvasculature frequently is seen in critically ill patients, including postoperative cardiac surgery patients. Hemodynamic stabilization by volume expansion and pharmacologic cardiovascular support may correct systemic hemodynamic variables but not oxygenation and perfusion of the microcirculation. Persistent microcirculatory abnormalities are associated with adverse patient outcomes. Consequently, there is interest in minimally invasive methods to assess the microvasculature in addition to established systemic hemodynamic monitoring in patients admitted to intensive care units (ICUs).
Original languageEnglish
Pages (from-to)1407-1416
Number of pages10
JournalJournal of Cardiothoracic and Vascular Anesthesia
Issue number4
Publication statusPublished - Aug 2017
Externally publishedYes


  • Cardiac surgery
  • Microcirculation
  • Near-infrared
  • Post-surgical patients
  • Spectroscopy
  • Tissue oxygen saturation
  • Vascular occlusion test

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