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  Measurement of Pulmonary Perfusion under Expiratory and Inspiratory Breathing Conditions using PCASL-bSSFP Imaging at 1.5 Tesla

Martirosian, P., Pohmann, R., Schwartz, M., Kuestner, T., Kolb, M., Othman, A., et al. (2021). Measurement of Pulmonary Perfusion under Expiratory and Inspiratory Breathing Conditions using PCASL-bSSFP Imaging at 1.5 Tesla. Poster presented at 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021).

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Martirosian, P, Author
Pohmann, R1, 2, Author              
Schwartz, M, Author
Kuestner, T, Author
Kolb, M, Author
Othman, A, Author
Zhang, C, Author
Scheffler, K1, 2, Author              
Nikolaou, K, Author
Schick, F, Author
Seith, F, Author
Affiliations:
1Department High-Field Magnetic Resonance, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497796              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: Pseudo-continuous-arterial-spin-labeling (PCASL) has been successfully applied in the lung providing high quality perfusion images. The pulmonary blood flow and the respiratory system interact closely: the intrathoracic pressure has impact on the venous return. Therefore, in this work, we evaluate the effects of intrathoracic pressure on lung perfusion by using PCASL imaging in end-expiratory and end-inspiratory breath-hold. PCASL imaging is able to detect changes of parenchymal lung perfusion caused by alterations of the intrathoracic pressure. Perfusion signal measured under end-inspiratory condition were noticeably reduced as compared to end-expiratory breath-hold. This correlated significantly with measured blood flow volume through the pulmonary trunk.

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 Dates: 2021-05
 Publication Status: Published online
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Title: 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021)
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Start-/End Date: 2021-05-15 - 2021-05-20

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Title: 2021 ISMRM & SMRT Annual Meeting & Exhibition (ISMRM 2021)
Source Genre: Proceedings
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Pages: - Volume / Issue: - Sequence Number: 2751 Start / End Page: - Identifier: -