Steady-state preparation for spoiled gradient echo imaging

Reed F. Busse, Stephen J. Riederer

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

While spoiled gradient echo sequences provide a rapid means of acquiring T1-weighted images, it is often desirable that the magnetization be in the steady state to avoid artifacts. For some applications, this requires many "dummy" repetitions of the pulse sequence prior to data collection, delaying image acquisition. A method is presented in which a saturation pulse, followed by a prescribed recovery period, places longitudinal magnetization levels of all materials near steady state, ready for data acquisition much sooner than when employing only dummy repetitions to achieve steady state. Effects of transverse coherences are studied using configuration theory. The method is shown to be effective in both phantom studies and in vivo applications, including real-time imaging, multiphase cardiac imaging, and triggered contrast-enhanced angiography.

Original languageEnglish (US)
Pages (from-to)653-661
Number of pages9
JournalMagnetic Resonance in Medicine
Volume45
Issue number4
DOIs
StatePublished - Apr 12 2001

Keywords

  • Magnetization preparation
  • Rapid imaging
  • Spoiled gradient echo
  • Steady state

ASJC Scopus subject areas

  • Radiology Nuclear Medicine and imaging

Fingerprint Dive into the research topics of 'Steady-state preparation for spoiled gradient echo imaging'. Together they form a unique fingerprint.

  • Cite this