2015
Delineation of microhemorrhage in acute hepatic encephalopathy using susceptibility-weighted imaging
Benson JC, Payabvash S, Thalken GL, Alonso J, Rykken J, Ott F, McKinney AM. Delineation of microhemorrhage in acute hepatic encephalopathy using susceptibility-weighted imaging. European Journal Of Radiology 2015, 85: 629-634. PMID: 26860677, DOI: 10.1016/j.ejrad.2015.12.025.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseFemaleHepatic EncephalopathyHumansIntracranial HemorrhagesMagnetic Resonance ImagingMaleMiddle AgedSeverity of Illness IndexConceptsPeriventricular white matterPlasma ammonia levelsWhite matterAHE patientsMRI severityClinical outcomesBasal gangliaChronic liver failureSubcortical white matterCortical gray matterSusceptibility-weighted imagingSWI MRILiver transplantationRegions of abnormalityLiver failureCerebral cortexClinical scoresClinical severityCommon locationPatientsGray matterSeverityAmmonia levelsBonferroni correctionDWIDetection of Intraparenchymal Hemorrhage After Endovascular Therapy in Patients with Acute Ischemic Stroke Using Immediate Postprocedural Flat‐Panel Computed Tomography Scan
Payabvash S, Khan AA, Qureshi MH, Saeed O, Suri MF, Qureshi AI. Detection of Intraparenchymal Hemorrhage After Endovascular Therapy in Patients with Acute Ischemic Stroke Using Immediate Postprocedural Flat‐Panel Computed Tomography Scan. Journal Of Neuroimaging 2015, 26: 213-218. PMID: 26282065, DOI: 10.1111/jon.12277.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrainBrain IschemiaFemaleHumansIntracranial HemorrhagesMaleMiddle AgedRetrospective StudiesStrokeThrombolytic TherapyTomography, X-Ray ComputedConceptsMultidetector CT studiesNegative predictive valueIschemic stroke patientsIntraparenchymal hemorrhageCT scanEndovascular treatmentHyperdense lesionParenchymal lesionsStroke patientsPredictive valueCT studiesMultidetector CTAcute ischemic stroke patientsAcute ischemic strokeAcute stroke patientsMultidetector CT scanPositive predictive valueEndovascular therapyIschemic strokePost procedureTomography scanSeparate cohortSuch lesionsPatientsDiagnostic value
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