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Comparison of two diffusing capacity methods- a pilot study
2016 (English)Independent thesis Basic level (professional degree), 10 credits / 15 HE creditsStudent thesis
Abstract [en]

Pulmonary function testing is an important part when it comes to evaluating patients with or at risk for lung diseases. Measurement of the diffusing capacity with carbon monoxide (DLCO) of the lung is a very important parameter and reflects how well the gas exchange work. Traditionally the DLCO have been measured by the single breath (SB) method which requires a forcefully inhalation and a 10 second breath-hold. Not all patients are able to perform the method due to illness or related problems therefore it would be favourable if the ward could change to an easier method called intrabreath (IB). The IB method is not depending on a breath-holding manoeuvre, which should make it easier to perform. Eleven volunteers participated in the study. They all performed both DLCO techniques, starting with the SB followed by IB. The DLCO, when determined with the IB technique, had an excellent correlation to the SB technique. However, the IB systematically showed a lower value for DLCO, and can therefore not use the same references as SB. Before the ward can change from the SB- to the IB- method there are needs for further studies. New studies should include more volunteers so more trustworthy reference values can be made, they should also include sick patients as a check-up for the new reference values. For the moment the ward have to stay with the SB method.

Place, publisher, year, edition, pages
2016.
Keywords [en]
Pulmonary diseases, Spirometry, Intra breath method, Single breath method, carbon monoxide
National Category
Biomedical Laboratory Science/Technology
Identifiers
URN: urn:nbn:se:uu:diva-349021OAI: oai:DiVA.org:uu-349021DiVA, id: diva2:1199243
Educational program
Biomedical Laboratory Science Programme; Biomedical Laboratory Science Programme
Examiners
Available from: 2018-04-20 Created: 2018-04-19 Last updated: 2018-04-20Bibliographically approved

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