Whole‐brain perfusion imaging with balanced steady‐state free precession arterial spin labeling
Han P, Ye J, Kim E, Choi S, Park S. Whole‐brain perfusion imaging with balanced steady‐state free precession arterial spin labeling. NMR In Biomedicine 2015, 29: 264-274. PMID: 26676386, DOI: 10.1002/nbm.3463.Peer-Reviewed Original ResearchConceptsSignal-to-noise ratioBalanced steady-state free precessionTotal scan timeCompressive sensingReduced susceptibility artifactsPerfusion imagingWhole-brain perfusion imagingScan timeSusceptibility artifactsPseudo-continuous ASLReadout timeCS approachSteady-state free precessionAcquisition of perfusion imagesSegmentation approachFree precessionBSSFP readoutArterial spin labeling (ASL) perfusionSpatial resolutionImage qualityDistortion-freeReadoutHigh-resolutionTemporal resolutionImagesInter-Slice Blood Flow and Magnetization Transfer Effects as A New Simultaneous Imaging Strategy
Han P, Barker J, Kim K, Choi S, Bae K, Park S. Inter-Slice Blood Flow and Magnetization Transfer Effects as A New Simultaneous Imaging Strategy. PLOS ONE 2015, 10: e0140560. PMID: 26466316, PMCID: PMC4605487, DOI: 10.1371/journal.pone.0140560.Peer-Reviewed Original ResearchConceptsAlternate ascending/descending directional navigationPseudo-continuous ASLBlood flowPulsed ASL methodClinically reasonable timeMT asymmetryBlood flow signalsMaps of blood flowSimultaneous blood flowCerebral blood flow signalsPreparation RF pulseFlip anglePerfusion signalBSSFP readoutMT ratioFlow signalsImaging strategiesMagnetization transferASL methodLabeling planeRF pulsesMagnetization transfer effectsSuperposition of signals