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How I use skeletal muscle Near Infrared Spectroscopy to non-invasively assess hemodynamic status of the critically ill 


1Department for Anesthesiology and Intensive Care, University Medical Centre Ljubljana, Slovenia

2 Medical Faculty, University of Ljubljana. Vrazov trg 2, 1104 Ljubljana, Slovenia

DOI: 10.22514/SV131.032017.1 Vol.13,Issue S1,May 2017 pp.14-19

Published: 08 May 2017

*Corresponding Author(s): MATEJ PODBREGAR E-mail:


The major goal of hemodynamic treatment is to reach adequate flow. Near infrared spectroscopy (NIRS) allows non-invasive assessment of skeletal muscle tissue oxy-genation during rest and also during vas-cular occlusion test (VOT). VOT allows estimation of tissue oxygen extraction capability, which could be preserved (i.e. hypovolemic, obstructive and cardio-genic shock) or inappropriate (i.e. sepsis/septic shock). By using ultrasound to esti-mate cardiac output, arterial hemoglobin oxygen saturation, skeletal muscle NIRS, arterial lactate and hemoglobin, thera-peutic goals in critically ill patients with preserved oxygen extraction capability can easily be targeted. Current controversies of NIRS technology and approach to patients with impaired oxygen extraction are dis-cussed as well.


shock, skeletal muscle, near-infrared spectroscopy, critically ill

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MATEJ PODBREGAR. How I use skeletal muscle Near Infrared Spectroscopy to non-invasively assess hemodynamic status of the critically ill . Signa Vitae. 2017. 13(S1);14-19.


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