Quantitative computed tomography in comparison with transpulmonary thermodilution for the estimation of pulmonary fluid status: a clinical study in critically ... View Full Text


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Article Info

DATE

2019-02

AUTHORS

Bernd Saugel, Moritz Wildgruber, Albrecht Staudt, Michael Dieckmeyer, Konstantin Holzapfel, Georgios Kaissis, Mikhail Y. Kirov, Vsevolod V. Kuzkov, Roland M. Schmid, Wolfgang Huber

ABSTRACT

Extravascular lung water (index) (EVLW(I)) can be estimated using transpulmonary thermodilution (TPTD). Computed tomography (CT) with quantitative analysis of lung tissue density has been proposed to quantify pulmonary edema. We compared variables of pulmonary fluid status assessed using quantitative CT and TPTD in critically ill patients. In 21 intensive care unit patients, we performed TPTD measurements directly before and after chest CT. Based on the density data of segmented CT images we calculated the tissue volume (TV), tissue volume index (TVI), and the mean weighted index of voxel aqueous density (VMWaq). CT-derived TV, TVI, and VMWaq did not predict TPTD-derived EVLWI values ≥ 14 mL/kg. There was a significant moderate positive correlation between VMWaq and mean EVLWI (EVLWI before and after CT) (r = 0.45, p = 0.042) and EVLWI after CT (r = 0.49, p = 0.025) but not EVLWI before CT (r = 0.38, p = 0.086). There was no significant correlation between TV and EVLW before CT, EVLW after CT, or mean EVLW. There was no significant correlation between TVI and EVLWI before CT, EVLWI after CT, or mean EVLWI. CT-derived variables did not predict elevated TPTD-derived EVLWI values. In unselected critically ill patients, variables of pulmonary fluid status assessed using quantitative CT cannot be used to predict EVLWI. More... »

PAGES

5-12

References to SciGraph publications

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  • Identifiers

    URI

    http://scigraph.springernature.com/pub.10.1007/s10877-018-0144-1

    DOI

    http://dx.doi.org/10.1007/s10877-018-0144-1

    DIMENSIONS

    https://app.dimensions.ai/details/publication/pub.1103502364

    PUBMED

    https://www.ncbi.nlm.nih.gov/pubmed/29680878


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