Gigi Galiana, PhD
Associate Professor of Radiology and Biomedical ImagingDownloadHi-Res Photo
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Associate Professor of Radiology and Biomedical Imaging
Appointments
Radiology & Biomedical Imaging
Associate Professor TenurePrimary
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Education & Training
- PhD
- Princeton University (2008)
Research
Overview
Medical Research Interests
Mammography; Radiology
Research at a Glance
Yale Co-Authors
Frequent collaborators of Gigi Galiana's published research.
Todd Constable, PhD
Dana Peters, PhD
Hemant Tagare, PhD
Albert Sinusas, MD
Publications
2024
Efficient standardization of clinical T2‐weighted images: Phase‐conjugacy e‐CAMP with projected gradient descent
Zhang H, Elsaid N, Sun H, Tagare H, Galiana G. Efficient standardization of clinical T2‐weighted images: Phase‐conjugacy e‐CAMP with projected gradient descent. Magnetic Resonance In Medicine 2024, 92: 2723-2733. PMID: 38988054, DOI: 10.1002/mrm.30214.Peer-Reviewed Original ResearchConceptsData fidelity termSignal evolution modelFidelity termGradient descentProjected GradientEfficient algorithmVirtual conjugate coilAlgorithmObjective functionMapping errorsTunable parametersLinear constraintsSampling schemeTSE dataLong echo train lengthMapsTrain lengthVirtualTurbo spin echoEcho train lengthHigh-resolutionSchemeDataBackground phaseError rangeLow-Field, Low-Cost, Point-of-Care Magnetic Resonance Imaging
Samardzija A, Selvaganesan K, Zhang H, Sun H, Sun C, Ha Y, Galiana G, Constable R. Low-Field, Low-Cost, Point-of-Care Magnetic Resonance Imaging. Annual Review Of Biomedical Engineering 2024, 26: 67-91. PMID: 38211326, DOI: 10.1146/annurev-bioeng-110122-022903.Peer-Reviewed Original ResearchCitationsAltmetricPractical utilization of nonlinear spatial encoding: Fast field mapping and FRONSAC‐wave
Zhang H, Constable R, Galiana G. Practical utilization of nonlinear spatial encoding: Fast field mapping and FRONSAC‐wave. Magnetic Resonance In Medicine 2024, 92: 1035-1047. PMID: 38651264, PMCID: PMC11209788, DOI: 10.1002/mrm.30119.Peer-Reviewed Original ResearchAltmetricConceptsCombination of wavesImage qualityFrequency domainUndersampling ratesShort calibration timeG-factor mapsWave sequencesCalibration timeWave amplitudePoint spread functionImprove image qualityMapping schemeUndersampling factorsGradient trajectoriesSpread functionEncodingIn vivo human brain imagingTrajectory mappingWaveHuman brain imagingUndersamplingField mappingEncoding gradientsSparsityMapping approachConstrained alternating minimization for parameter mapping (CAMP)
Elsaid N, Dispenza N, Hu C, Peters D, Constable R, Tagare H, Galiana G. Constrained alternating minimization for parameter mapping (CAMP). Magnetic Resonance Imaging 2024, 110: 176-183. PMID: 38657714, PMCID: PMC11193090, DOI: 10.1016/j.mri.2024.04.029.Peer-Reviewed Original ResearchAltmetricMeSH Keywords and ConceptsConceptsAlternating minimizationAccelerated parameter mappingImage qualityReconstructed image qualityEfficient reconstruction algorithmSacrificing model accuracyParameter mapsPhantom studyK-space samplingAcceleration datasetsK-spaceUndersampling artifactsCartesian acquisitionConsecutive imagesReconstruction algorithmIndividual imagesModel cost functionExponential decayEcho timeReconstruction methodCost functionReduce artifactsPhantomScan timeObjective functionClinical physiology: the crucial role of MRI in evaluation of peripheral artery disease
Elsaid N, Peters D, Galiana G, Sinusas A. Clinical physiology: the crucial role of MRI in evaluation of peripheral artery disease. AJP Heart And Circulatory Physiology 2024, 326: h1304-h1323. PMID: 38517227, PMCID: PMC11381027, DOI: 10.1152/ajpheart.00533.2023.Peer-Reviewed Original ResearchCitationsAltmetricConceptsPeripheral arterial diseaseMagnetic resonance imagingArtery diseaseClinical applicationEvaluation of peripheral arterial diseaseTranslation to clinical researchPre-clinical modelsMedial vascular calcificationDiagnosis of peripheral arterial diseaseExcellent soft tissue contrastPathophysiology of peripheral arterial diseaseAssessment of peripheral arterial diseaseNoninvasive imaging toolMR imaging technologyMR imaging techniquesSoft tissue contrastMultiplanar imaging capabilityAutonomic dysfunctionMicrovascular dysfunctionRisk stratificationPeripheral neuropathyComprehensive physiological assessmentTreatment outcomesVascular calcificationTherapy planningEncoding scheme design for gradient-free, nonlinear projection imaging using Bloch-Siegert RF spatial encoding in a low-field, open MRI system
Selvaganesan K, Ha Y, Sun H, Zhang Z, Sun C, Samardzija A, Galiana G, Constable R. Encoding scheme design for gradient-free, nonlinear projection imaging using Bloch-Siegert RF spatial encoding in a low-field, open MRI system. Scientific Reports 2024, 14: 3307. PMID: 38332252, PMCID: PMC10853509, DOI: 10.1038/s41598-024-53703-y.Peer-Reviewed Original ResearchCitationsAltmetricMeSH Keywords and ConceptsConceptsBloch-SiegertSpatial encodingBloch-Siegert shiftGradient-freeLow-field imagesLow fieldsProjection imagesPhase shiftLoop coilEncoding settingsEncoding schemeEncoding trajectoriesLow-field MR imagingSpatial resolutionImage reconstructionOptimization algorithmEncodingMRI systemShift effectHardware setupMR systemOpen MRI systemScheme designAlgorithmImages
2023
EM shielded spiral RF coil design for array coil decoupling at ultra-low field MRI
Ha Y, Selvaganesan K, Sun C, Zhang Z, Samardzija A, Sun H, Galiana G, Constable T. EM shielded spiral RF coil design for array coil decoupling at ultra-low field MRI. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2023 DOI: 10.58530/2023/1776.Peer-Reviewed Original ResearchStop-Motion RF for Improving Spatial Resolution in Non-Linear Gradient-Free Low-Field MRI
Samardzija A, Selvaganesan K, Ha Y, Zhang Z, Sun C, Sun H, Galiana G, Constable T. Stop-Motion RF for Improving Spatial Resolution in Non-Linear Gradient-Free Low-Field MRI. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2023 DOI: 10.58530/2023/1761.Peer-Reviewed Original ResearchDiffusion Weighted Imaging using a Prostate Nonlinear Gradient Coil
Elsaid N, Nixon T, Dewdney A, De Simone A, Fettahoglu A, Galiana G. Diffusion Weighted Imaging using a Prostate Nonlinear Gradient Coil. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2023 DOI: 10.58530/2023/4575.Peer-Reviewed Original ResearchMulti-echo RF spatial phase encoding for gradient-free imaging in a nonuniform B0-field at low-field
Selvaganesan K, Ha Y, Sun C, Samardzija A, Zhang Z, Sun H, Galiana G, Constable T. Multi-echo RF spatial phase encoding for gradient-free imaging in a nonuniform B0-field at low-field. Proceedings Of The International Society For Magnetic Resonance In Medicine ... Scientific Meeting And Exhibition. 2023 DOI: 10.58530/2023/0532.Peer-Reviewed Original Research
News
News
- January 22, 2020
Gigi Galiana offers Pro Tip to Young Scientists in Aperture exhibit
- January 26, 2014
New Approach to Spatial Encoding in MRI Can Greatly Reduce Scan Time
- January 26, 2014
New MRI approach dramatically speeds up results