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Results are reported concerning the clinical application of the transcutaneous PO2 method (tc PO2 method) according to Huch et al. for monitoring arterial PO2. Thirty long-term continuous tc PO2 recordings were made in 22 ventilated children and infants with cardiorespiratory problems in four different pediatric intensive care units (Zürich, Göttingen, Kassel, and Mainz). These recordings were compared with 132 arterial PO2 determinations made during the same period of time. There was a linear relationship and a close correspondence between arterial PO2 and tc PO2 (r = .94). The continuous recordings have shown that the variability of PO2 is much greater than assumed so far by single blood gas analysis. This fact restricts greatly the value of single samples. Continuous tc PO2 monitoring has proved to be a great help in optimal respirator setting.
Huch et al. (Sat,) studied this question.