PEDIATRICS Vol. 75 No. 3 March 1985, pp. 608-613
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The `Dynamic Transcutaneous Po2 Histogram' or How to Deal with Immense Quantities of Monitoring Data

F. FALLENSTEIN 1, H. U. BUCHER 1, R. HUCH 1, and A. HUCH 1

1 Divisions of Perinatal Physiology and Neonatology, Department of Obstetrics and Gynaecology, University Hospital, Zurich

Monitoring of transcutaneous oxygen pressure (Po2) is a routine procedure in the management of sick newborn infants. The clinician frequently requires information on trends in transcutaneous Po2 and variability in relation to clinical procedures. However, long-term measurement of transcutaneous Po2 presents problems with documentation and analysis of the data (Fig 1).1-9

PRINCIPLE OF TRANSCUTANEOUS Po2 HISTOGRAM

To analyze transcutaneous Po2 information in a simple and efficient way, one can observe the frequency distribution of measured transcutaneous Po2 values within a desired time interval, instead of examining a long paper chart from a trend recorder. This method is shown in Fig 2.