Abstract
Oxygen sensitive needle electrodes have been used during the past years to describe intramyocardial oxygen tensions (Kirk and Honig, 1964; Koyama et al., 1979; Mendier et al., 1973; Moss, 1968; O’Riordan, 1977; Schubert et al., 1978; Winbury et al., 1971). However, a limitation of the intramyocardially inserted electrodes is that measurements at identical locations of tissue over longer periods of time are limited. This is mainly caused by the relatively large diameters of the electrodes, interfering with oxygen transport to the tissue under investigation (Moss, 1968). The average intramyocardial oxygen pressures obtained by these devices are usually below coronary venous PO2: Such a gradient is assumed to be necessary to enable diffusion of a sufficient amount of oxygen molecules from red cells into tissue.
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© 1990 Plenum Press, New York
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Conzen, P.F. et al. (1990). Left Ventricular Surface Tissue Oxygen Pressures Determined by Oxygen Sensitive Multiwire Electrodes in Pigs. In: Piiper, J., Goldstick, T.K., Meyer, M. (eds) Oxygen Transport to Tissue XII. Advances in Experimental Medicine and Biology, vol 277. Springer, Boston, MA. https://doi.org/10.1007/978-1-4684-8181-5_48
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DOI: https://doi.org/10.1007/978-1-4684-8181-5_48
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