A simple approach to control rms(B1) by pulse length in variable flip angle (VFA) T1 mapping of human brain

Forskningsoutput: Kapitel i bok/rapport/Conference proceedingKonferenspaper i proceedingPeer review

Sammanfattning

Controlling the saturation of bound magnetization in variable flip angle (VFA) experiments improves the derived parameter maps. Instead of using special CSMT RF pulses, we kept the rmsB1 constant simply by increasing the RF pulse duration with the square of the flip angle. At 3T, VFA T1 mapping of human brain thus showed better compliance to the Ernst equation than at constant pulse duration or B1 amplitude, but yielded shorter T1.
Originalspråkengelska
Titel på värdpublikationProceedings of the 2021 ISMRM & ISMRT Annual Meeting and Exhibition
UtgivningsortConcord, CA
FörlagInternational Society for Magnetic Resonance in Medicine
Volym29
StatusPublished - 2021 apr. 30
EvenemangISMRM and SMRT Annual Meeting and Exhibition 2021 - virtual
Varaktighet: 2021 maj 152021 maj 20

Publikationsserier

NamnProc Intl Soc Magn Reson Med
FörlagIntl. Society for Magnetic Resoance in Medicine (ISMRM)
Volym29
ISSN (elektroniskt)1545-4428

Konferens

KonferensISMRM and SMRT Annual Meeting and Exhibition 2021
Period2021/05/152021/05/20

Ämnesklassifikation (UKÄ)

  • Radiologi och bildbehandling
  • Annan fysik

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