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Critical Care
Published in: Critical Care 3/2011

01-06-2011 | Letter

Cardiac-related impedance changes obtained by electrical impedance tomography: an acceptable parameter for assessment of pulmonary perfusion?

Authors: Gerhard Hellige, Guenter Hahn

Published in: Critical Care | Issue 3/2011

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Excerpt

Electrical impedance tomography has become a tool for monitoring regional ventilation. Interest is growing to derive additional information on pulmonary perfusion and ventilation/perfusion distribution. Since signals recorded by electrical impedance tomography also contain cardiac-related impedance changes, attempts are made to evaluate them in view of perfusion. Recently in Critical Care a corresponding study applying an advanced filtering technique for separating cardiac signals from the dominant ventilation component was published [1]. The quality of the concept is demonstrated by comparing the results with solitary cardiac signals during breath-hold. …
Literature
1.
Grant CA, Pham T, Hough J, Riedel T, Stocker C, Schibler A: Measurement of ventilation and cardiac related impedance changes with electrical impedance tomography. Crit Care 2011, 15: R37. 10.1186/cc9985PubMedCentralCrossRefPubMed
2.
Costa E, Lima R, Amato M: Electrical impedance tomography. Curr Opin Crit Care 2009, 15: 18-24. 10.1097/MCC.0b013e3283220e8cCrossRefPubMed
3.
Muders T, Luepschen H, Putensen C: Impedance tomography as a new monitoring technique. Curr Opin Crit Care 2010, 16: 269-275. 10.1097/MCC.0b013e3283390cbfCrossRefPubMed
4.
Luepschen H, Muders T, Pikkemaat R, Meier T, Putensen C, Leonhardt S: Determination of lung perfusion using electrical impedance tomography. Biomed Tech 2010,55(Suppl 1):104-107.
5.
Hellige G, Dittmar J, Just A, Hahn G: Monitoring of pulmonary perfusion distribution by electrical impedance tomography. Biomed Tech 2010,55(Suppl 1):31-34.
Metadata
Title
Cardiac-related impedance changes obtained by electrical impedance tomography: an acceptable parameter for assessment of pulmonary perfusion?
Authors
Gerhard Hellige
Guenter Hahn
Publication date
01-06-2011
Publisher
BioMed Central
Published in
Critical Care / Issue 3/2011
Electronic ISSN: 1364-8535
DOI
https://doi.org/10.1186/cc10231

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