Real-time phase contrast sequences versus conventional phase contrast sequences in cerebral blood flow quantification: an in vivo study - Archive ouverte HAL Accéder directement au contenu
Communication Dans Un Congrès Année : 2023

Real-time phase contrast sequences versus conventional phase contrast sequences in cerebral blood flow quantification: an in vivo study

Séquences de contraste de phase en temps réel par rapport aux séquences de contraste de phase conventionnelles dans la quantification du débit sanguin cérébral : une étude in vivo

Résumé

The accuracy of real-time phase contrast sequences (RT-PC) was confirmed by comparison with conventional phase contrast sequences. RT-PC with 2×2 mm 2 spatial resolution and 75ms/image temporal resolution can accurately quantify cerebral blood flow rate with less than 3% of error. Synopsis (100/100) Real-time phase contrast sequences (RT-PC) appear to have great potential in clinical applications. However, it is important to validate RT-PC in the quantification of cerebral blood flow prior to its use in clinical applications. In this study, we analyzed RT-PC accuracy by comparing the segmentation area, flow rate and pulsatility index of cerebral vessels obtained from RT-PC and conventional phase contrast sequences. RT-PC with 2×2 mm 2 spatial resolution and 75ms/image temporal resolution can accurately quantify cerebral blood flow rate with an error of less than 3%. Higher temporal resolution in RT-PC could improve accuracy in cerebral arterial flow quantification.
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Dates et versions

hal-04135304 , version 1 (20-06-2023)

Identifiants

  • HAL Id : hal-04135304 , version 1

Citer

Pan Liu, Heimiri Monnier, Kimi Piedad Owashi, Serge Metanbou, Cyrille Capel, et al.. Real-time phase contrast sequences versus conventional phase contrast sequences in cerebral blood flow quantification: an in vivo study. ISMRM 2023 - International Society for Magnetic Resonance in Medicine, Jun 2023, Toronto, Canada. ⟨hal-04135304⟩

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