Oxygen tension gradients and heterogeneity in venous microcirculation: a phosphorescence quenching study.

@article{Shonat1997OxygenTG,
  title={Oxygen tension gradients and heterogeneity in venous microcirculation: a phosphorescence quenching study.},
  author={Ross D Shonat and Paul C.D. Johnson},
  journal={The American journal of physiology},
  year={1997},
  volume={272 5 Pt 2},
  pages={H2233-40}
}
Localized measurements of intravascular oxygen tension (PO2) at multiple locations in the microvascular network of the rat spinotrapezius muscle were used to study the spatial distribution of PO2 in venular structures. By use of a newly developed phosphorescence system to rapidly and repeatedly measure PO2, 538 individual measurements were made in 18 different networks during rest. Average intravascular PO2 was (in mmHg +/- SD) 33 +/- 9, 21 +/- 9, 26 +/- 10, and 33 +/- 8 in small arcade… CONTINUE READING