Medizinische Universität Graz Austria/Österreich - Forschungsportal - Medical University of Graz
Gewählte Publikation:
Pfleger, A; Kerbl, R; Kurz, R; .
Capnography for the detection of obstructive apneas.
MONATSSCHR KINDERHEILK. 1997; 145(12): 1301-1303.
Doi: 10.1007/s001120050230
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- Führende Autor*innen der Med Uni Graz
- Pfleger Andreas
- Co-Autor*innen der Med Uni Graz
- Kerbl Reinhold
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- Abstract:
- Background: The use of nasal thermistors to record nasal airflow for the detection of obstructive apneas has become routine in polysomnographic investigations. However, artefacts can lead to false - positive apnea patterns which cannot be clearly rejected by visual control of the recordings. The aim of this study was to investigate the usefulness of capnography for the detection of obstructive apneas as an alternative method. Methods: Polygraphic recordings using nasal thermistors and capnography were compared. 3695 healthy infants were investigated in a randomized trial by one or the other method. Results: By use of nasal thermistor, obstructive apneas of greater than or equal to 5 sec that could not be clearly rejected as an artefact by visual control, were found in 29/1895 infants, whereas only 4/1800 infants were found to have obstructive apneas using capnography. Conclusion: Obstructive apneas greater than or equal to 5 s are a rare event in healthy infants. Nasal thermistors are susceptible to artefacts and can lead to false - positive results. Capnography is less susceptible to artefacts and has the additional advantage to allow quantification of the end - tidal carbon dioxide concentration (ETCO2).
- Find related publications in this database (Keywords)
- sudden infant death syndrome
- polysomnography
- obstructive apnea
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