Abstract
Current methods for blood oxygen tension analysis require the use of large, expensive equipment by specially trained personnel, both of which are often located in a central laboratory. Results are communicated by phone or runner. Delays and transmission errors can occur resulting in suboptimal care.
We have modified the transcutaneous O2 electrode for use on 0.1 ml. blood samples at the bedside. This device requires little technical skill to use. It is compact (the size of a small book), portable, inexpensive and highly accurate.
A comparison of 125 paired blood samples analysed by the Huch “trough” electrode and the Radiometer ABL-1 Analyser demonstrated a correlation coefficient of 0.99 with a standard error of approximately 3 torr over the range of 30-189. Results with the Huch device were clinically available in 90 seconds versus an average delay of 18 minutes before a report was received from the central laboratory.
We believe this simple device will have a major impact on improving patient care and reducing laboratory costs. Its use will be demonstrated at the time of presentation.
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Long, J., Huch, A., Huch, R. et al. 994 BLOOD PO2 ANALYSIS AT BEDSIDE. Pediatr Res 12 (Suppl 4), 529 (1978). https://doi.org/10.1203/00006450-197804001-01000
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DOI: https://doi.org/10.1203/00006450-197804001-01000