Continuous end-tidal carbon dioxide monitoring during normofrequent jet-ventilation

Acta Anaesthesiologica Scandinavica
L F BachS Kruse

Abstract

Continuous end-tidal carbon dioxide (ETCO2) monitoring during normofrequent jet-ventilation (NFJV) has not previously been successful and no correspondence between ETCO2 and arterial carbon dioxide (PaCO2) demonstrated. During NFJV jet-ventilation in 19 healthy volunteers, continuous ETCO2 was measured and compared to PaCO2 values. The original ETCO2 sampling line from our Datex CO2 measuring equipment was placed longitudinally against a suction catheter and both were wrapped with aluminium foil. They were placed 4-5 cm above the carina and the position was verified with a fiberoptic bronchoscope. The correlation between methods gave a Pearson's product moment correlation (r value) of 0.836, significant at the P < 0.001 level, indicating a close correlation between methods. A difference against mean scatter diagram confirmed that ETCO2 and PaCO2 measurements are of equal value in monitoring healthy patients during NFJV. A valuable method of continuous ETCO2 monitoring during NFJV is presented.

References

Sep 1, 1976·The Annals of Otology, Rhinology, and Laryngology·M L NortonB J Kripke
Jan 1, 1989·British Journal of Anaesthesia·S SehatiC N McLeod
Jan 1, 1989·Acta Anaesthesiologica Scandinavica. Supplementum·M Baum, N Mutz
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Jul 1, 1980·The Laryngoscope·M RontalM Wenokur
Mar 1, 1982·Canadian Anaesthetists' Society Journal·I WinermanS Segal

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Citations

Mar 24, 1998·Acta Anaesthesiologica Scandinavica·U KleinR Gottschall
Aug 29, 2002·Anesthesia and Analgesia·Alexander NgJonathan P Thompson

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