ArticleEuropean heart journal. Imaging methods and practice2025
Estimation of mean pulmonary artery pressure by cardiovascular magnetic resonance 4D Flow and compressed sensing.
Article in European heart journal. Imaging methods and practice, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
Aims: 4D phase-contrast cardiovascular magnetic resonance (CMR) allows for non-invasive estimation of mean pulmonary artery pressure (mPAP) by estimating the duration of pathological vortex persistence in the main pulmonary artery. This has previously been achieved with compressed sensing acceleration of a multiple 2D (CS-M2D) flow sequence, but acquisition using a true time-resolved 3D excitation (CS-4D) offers theoretical advantages including spatiotemporal coherence. This study aimed to validate a state-of-the-art CS-4D sequence with a previously utilized CS-M2D sequence for estimating mPAP, comparing both to right heart catheterization (RHC). Methods and results: The study included patients clinically referred for CMR ( Conclusion: CS-4D and CS-M2D sequences yield interchangeable estimations of mPAP, with excellent agreement to invasive RHC. Both be acquired in a scan time applicable to clinical workflow, offering promising tools for non-invasive mPAP estimation in clinical practice.
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