Comparison of TcPO<sub>2</sub> and StO<sub>2</sub> using the blood oxygen dissociation curve

Leigh P. Wright; Marina Makhratchev; Amy Yarbrough; Mohamed Elmandjra; Jian-min Mao

doi:10.1117/12.640174

22 February 2006 Comparison of TcPO₂ and StO₂ using the blood oxygen dissociation curve

Leigh P. Wright, Marina Makhratchev, Amy Yarbrough, Mohamed Elmandjra, Jian-min Mao

Proceedings Volume 6078, Photonic Therapeutics and Diagnostics II; 60781X (2006) https://doi.org/10.1117/12.640174
Event: SPIE BiOS, 2006, San Jose, California, United States

Abstract

It is well known that the relation between the partial pressure of oxygen in blood (PO₂) and the hemoglobin oxygen saturation in blood (SO₂) is given by the oxyhemoglobin dissociation curve. In this study, we investigate if a similar relation exists in tissue. The PO₂ in tissue was approximated by the transcutaneous partial pressure of oxygen (TcPO₂) measured by TCM3^TM Transcutanous pO₂/pCO₂ Monitoring System; and the SO₂ in tissue (StO₂) was measured by ODISsey^TM Tissue Oximeter. The study showed that the TcPO₂ versus StO₂ relation is similar to the dissociation curve in blood, as expected.

Citation Download Citation

Leigh P. Wright, Marina Makhratchev, Amy Yarbrough, Mohamed Elmandjra, and Jian-min Mao "Comparison of TcPO₂ and StO₂ using the blood oxygen dissociation curve", Proc. SPIE 6078, Photonic Therapeutics and Diagnostics II, 60781X (22 February 2006); https://doi.org/10.1117/12.640174

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