Abstract
Clinical measurements of O2 in tissues will inevitably provide data that are at best aggregated and will not reflect the inherent heterogeneity of O2 in tissues over space and time. Additionally, the nature of all existing techniques to measure O2 results in complex sampling of the volume that is sensed by the technique. By recognizing these potential limitations of the measures, one can focus on the very important and useful information that can be obtained from these techniques, especially data about factors that can change levels of O2 and then exploit these changes diagnostically and therapeutically. The clinical utility of such data ultimately needs to be verified by careful studies of outcomes related to the measured changes in levels of O2.
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Acknowledgments
Major funding is from the National Cancer Institute, PPG Grant P01CA190193. We gratefully acknowledge all the other scientists, clinicians, engineers, and coordinators on the PPG. Disclaimer: HMS and ABF are owners of Clin-EPR, LLC, which manufacturers clinical EPR instruments for investigational use only.
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Swartz, H.M., Flood, A.B., Williams, B.B., Pogue, B.W., Schaner, P.E., Vaupel, P. (2021). What Is the Meaning of an Oxygen Measurement?. In: Nemoto, E.M., Harrison, E.M., Pias, S.C., Bragin, D.E., Harrison, D.K., LaManna, J.C. (eds) Oxygen Transport to Tissue XLII. Advances in Experimental Medicine and Biology, vol 1269. Springer, Cham. https://doi.org/10.1007/978-3-030-48238-1_48
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