• Ilonka N de Keijzer, Dario Massari, Marko Sahinovic, Moritz Flick, Jaap Jan Vos, and ScheerenThomas W LTWLUniversity Medical Center Groningen, Groningen, The Netherlands. t.w.l.scheeren@umcg.nl..
• University Medical Center Groningen, Groningen, The Netherlands.
• J Clin Monit Comput. 2022 Apr 1; 36 (2): 291-299.

AbstractEnsuring and maintaining adequate tissue oxygenation at the microcirculatory level might be considered the holy grail of optimal hemodynamic patient management. However, in clinical practice we usually focus on macro-hemodynamic variables such as blood pressure, heart rate, and sometimes cardiac output. Other macro-hemodynamic variables like pulse pressure or stroke volume variation are additionally used as markers of fluid responsiveness. In recent years, an increasing number of technological devices assessing tissue oxygenation or microcirculatory blood flow have been developed and validated, and some of them have already been incorporated into clinical practice. In this review, we will summarize recent research findings on this topic as published in the last 2 years in the Journal of Clinical Monitoring and Computing (JCMC). While some techniques are already currently used as routine monitoring (e.g. cerebral oxygenation using near-infrared spectroscopy (NIRS)), others still have to find their way into clinical practice. Therefore, further research is needed, particularly regarding outcome measures and cost-effectiveness, since introducing new technology is always expensive and should be balanced by downstream savings. The JCMC is glad to provide a platform for such research.© 2022. The Author(s).

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