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  R1 and R2 characterization of human blood with phase-cycled balanced steady-state free precession (bSSFP)

Pérez-Rodas, M., Schulz, H., Pohmann, R., Scheffler, K., & Heule, R. (2019). R1 and R2 characterization of human blood with phase-cycled balanced steady-state free precession (bSSFP). Poster presented at 27th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2019), Montréal, QC, Canada.

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Pérez-Rodas, M1, 2, Autor           
Schulz, H1, 2, Autor           
Pohmann, R1, 2, Autor           
Scheffler, K1, 2, Autor           
Heule, R1, 2, Autor           
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, ou_1497794              

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 Zusammenfassung: Balanced steady-state free precession (bSSFP) sequences have received increased interest for functional BOLD experiments since, in contrast to conventional EPI-based techniques, they are not prone to geometric distortions in the phase encoding direction. Characterization of measured BOLD signal changes requires consideration of extravascular as well as intravascular contributions. Knowledge about the relaxation rates of human blood is a prerequisite to quantify the intravascular contribution to the BOLD effect. Here, R1 and R2 relaxation rates of blood samples are intrinsically obtained from a series of phase-cycled bSSFP scans to account for the repetition time dependence of R2 due to rapid refocusing.

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 Datum: 2019-05
 Publikationsstatus: Online veröffentlicht
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Titel: 27th Annual Meeting and Exhibition of the International Society for Magnetic Resonance in Medicine (ISMRM 2019)
Veranstaltungsort: Montréal, QC, Canada
Start-/Enddatum: 2019-05-11 - 2019-05-16

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Titel: ISMRM 27th Annual Meeting & Exhibition
Genre der Quelle: Konferenzband
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Seiten: - Band / Heft: - Artikelnummer: 3766 Start- / Endseite: - Identifikator: -