2023
A 1-Tesla MRI system for dedicated brain imaging in the neonatal intensive care unit
Berson E, Mozayan A, Peterec S, Taylor S, Bamford N, Ment L, Rowe E, Lisse S, Ehrlich L, Silva C, Goodman T, Payabvash S. A 1-Tesla MRI system for dedicated brain imaging in the neonatal intensive care unit. Frontiers In Neuroscience 2023, 17: 1132173. PMID: 36845429, PMCID: PMC9951115, DOI: 10.3389/fnins.2023.1132173.Peer-Reviewed Original ResearchNeonatal intensive care unitIntensive care unitIntraventricular hemorrhageCare unitHypoxic injuryIntracranial pathologyAverage gestational ageParenchymal injuryPreterm neonatesCommon indicationIschemic lesionsNICU patientsGestational ageClinical findingsPatient weightInfantsTranscranial ultrasoundMRIInjuryCareMicrohemorrhagesScansLesionsFollowPathology
2019
Stroke atlas of the brain: Voxel-wise density-based clustering of infarct lesions topographic distribution
Wang Y, Juliano JM, Liew SL, McKinney AM, Payabvash S. Stroke atlas of the brain: Voxel-wise density-based clustering of infarct lesions topographic distribution. NeuroImage Clinical 2019, 24: 101981. PMID: 31473544, PMCID: PMC6728875, DOI: 10.1016/j.nicl.2019.101981.Peer-Reviewed Original ResearchConceptsMain cerebral arteriesInfarct lesionsSupply territoryCerebral arteryBrain tissueLarge arterial occlusionDeep white matterGray matter nucleiStandard brain spaceIschemic infarctArterial occlusionConsensus atlasMRI scansWhite matterLesionsTopographic distributionPatientsClusters of voxelsBrainArteryBrain spaceMother clustersMothersTiny clustersVisual assessment
2014
Differentiating intraparenchymal hemorrhage from contrast extravasation on post-procedural noncontrast CT scan in acute ischemic stroke patients undergoing endovascular treatment
Payabvash S, Qureshi MH, Khan SM, Khan M, Majidi S, Pawar S, Qureshi AI. Differentiating intraparenchymal hemorrhage from contrast extravasation on post-procedural noncontrast CT scan in acute ischemic stroke patients undergoing endovascular treatment. Neuroradiology 2014, 56: 737-744. PMID: 24925217, DOI: 10.1007/s00234-014-1381-8.Peer-Reviewed Original ResearchConceptsPost-procedural CT scanAcute ischemic stroke patientsIschemic stroke patientsContrast extravasationIntraparenchymal hemorrhageEndovascular treatmentStroke patientsCT scanNoncontrast CT scanHyperdense lesionHounsfield unitsParenchymal lesionsImaging recordsIntroductionThis studyHemorrhagePatientsExtravasationLesionsScansHyperdensityHyperdenseTreatmentAverage attenuationCharacteristic analysisResultsOf
2011
Admission CT Perfusion Is an Independent Predictor of Hemorrhagic Transformation in Acute Stroke with Similar Accuracy to DWI
Souza LC, Payabvash S, Wang Y, Kamalian S, Schaefer P, Gonzalez RG, Furie KL, Lev MH. Admission CT Perfusion Is an Independent Predictor of Hemorrhagic Transformation in Acute Stroke with Similar Accuracy to DWI. Cerebrovascular Diseases 2011, 33: 8-15. PMID: 22143195, PMCID: PMC3250646, DOI: 10.1159/000331914.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overBostonCerebrovascular CirculationChi-Square DistributionDiffusion Magnetic Resonance ImagingFemaleHumansIntracranial HemorrhagesLogistic ModelsMaleMiddle AgedMultivariate AnalysisPatient AdmissionPerfusion ImagingPredictive Value of TestsPrognosisRetrospective StudiesRisk AssessmentRisk FactorsROC CurveStrokeTomography, X-Ray ComputedConceptsRelative mean transit timeAdmission CT perfusionDiffusion-weighted imagingPredictors of HTRelative cerebral blood flowHemorrhagic transformationCT perfusionAcute strokeIndependent predictorsTissue volumeAdmission diffusion-weighted imagingConsecutive stroke patientsOnly independent predictorCerebral blood flowIschemic hemisphereMechanical thrombectomyStroke patientsInfarct coreMean transit timeBlood flowTest characteristicsCurve analysisDWI scansLesionsStroke