2024
Academic Radiology Physician Financial Compensation in the United States: Trends and Distribution.
Malhotra A, Futela D, Joshi R, Khunte M, Moily N, Wu X, Payabvash S, Wintermark M, Gandhi D, Atzen S. Academic Radiology Physician Financial Compensation in the United States: Trends and Distribution. Radiology 2024, 313: e241057. PMID: 39352280, PMCID: PMC11535871, DOI: 10.1148/radiol.241057.Peer-Reviewed Original ResearchConceptsU.S. medical schoolsMedical schoolsStudy periodFinancial compensationDeidentified dataPhysician compensationSecondary analysisFaculty membersFull-time facultyRace/ethnicityAnalyze trendsCompensation dataCompare groupsCompensation valueFaculty compensationSalary reportsLinear regressionRadiology departmentSalary gapRadiology facultyBrain Care Score and Neuroimaging Markers of Brain Health in Asymptomatic Middle-Age Persons
Rivier C, Singh S, Senff J, Tack R, Marini S, Clocchiatti-Tuozzo S, Huo S, Renedo D, Papier K, Conroy M, Littlejohns T, Chemali Z, Kourkoulis C, Payabvash S, Newhouse A, Westover M, Lazar R, Pikula A, Ibrahim S, Howard V, Howard G, Brouwers H, Van Duijn C, Fricchione G, Tanzi R, Yechoor N, Sheth K, Anderson C, Rosand J, Falcone G. Brain Care Score and Neuroimaging Markers of Brain Health in Asymptomatic Middle-Age Persons. Neurology 2024, 103: e209687. PMID: 39052961, DOI: 10.1212/wnl.0000000000209687.Peer-Reviewed Original ResearchConceptsCare scoresUK BiobankWhite matter hyperintensitiesHealth-related behaviorsMarkers of brain healthMiddle-aged personsStroke risk factorsProspective cohort studyMultivariate linear regressionEmpower patientsSilent cerebrovascular diseaseBrain careWhite matter hyperintensities progressionDementia historyHealth declineInvestigate associationsCohort studyBrain healthNeuroimaging markersHigher scoresRisk factorsMean diffusivityCerebrovascular diseaseFractional anisotropyImaging assessmentAutomated detection of early signs of irreversible ischemic change on CTA source images in patients with large vessel occlusion
Mak A, Matouk C, Avery E, Behland J, Haider S, Frey D, Madai V, Vajkoczy P, Griessenauer C, Zand R, Hendrix P, Abedi V, Sanelli P, Falcone G, Petersen N, Sansing L, Sheth K, Payabvash S, Malhotra A. Automated detection of early signs of irreversible ischemic change on CTA source images in patients with large vessel occlusion. PLOS ONE 2024, 19: e0304962. PMID: 38870240, PMCID: PMC11175522, DOI: 10.1371/journal.pone.0304962.Peer-Reviewed Original ResearchConceptsDiffusion-weighted imagingLarge vessel occlusionIrreversible ischemic changesPoor functional outcomeFunctional outcomesIschemic changesInfarct volumeAlberta Stroke Program Early CT ScorePredicting poor functional outcomeVessel occlusionFollow-up diffusion-weighted imagingAnterior circulation LVO strokeCTA source imagesReceiver operating characteristic curveExpert human readersPredicting final infarctionASPECTS regionsAdmission CTANon-inferior performanceBaseline CTACT scoreFinal infarctEndovascular therapyHU attenuationValidation cohort
2023
Identification of White Matter Hyperintensities in Routine Emergency Department Visits Using Portable Bedside Magnetic Resonance Imaging
de Havenon A, Parasuram N, Crawford A, Mazurek M, Chavva I, Yadlapalli V, Iglesias J, Rosen M, Falcone G, Payabvash S, Sze G, Sharma R, Schiff S, Safdar B, Wira C, Kimberly W, Sheth K. Identification of White Matter Hyperintensities in Routine Emergency Department Visits Using Portable Bedside Magnetic Resonance Imaging. Journal Of The American Heart Association 2023, 12: e029242. PMID: 37218590, PMCID: PMC10381997, DOI: 10.1161/jaha.122.029242.Peer-Reviewed Original ResearchConceptsWhite matter hyperintensitiesMagnetic resonance imagingSevere white matter hyperintensitiesConventional magnetic resonance imagingResonance imagingRetrospective cohortEmergency departmentMatter hyperintensitiesVascular risk factorsProspective observational studyVascular cognitive impairmentTesla magnetic resonance imagingArea Deprivation IndexProspective cohortAdult patientsAcute careRisk factorsCardiovascular diseaseObservational studyCognitive impairmentPatientsCare magnetic resonance imagingIntermodality agreementCohortDeprivation indexAssociation of Body Mass Index and Waist Circumference With Imaging Metrics of Brain Integrity and Functional Connectivity in Children Aged 9 to 10 Years in the US, 2016-2018
Kaltenhauser S, Weber C, Lin H, Mozayan A, Malhotra A, Constable R, Acosta J, Falcone G, Taylor S, Ment L, Sheth K, Payabvash S. Association of Body Mass Index and Waist Circumference With Imaging Metrics of Brain Integrity and Functional Connectivity in Children Aged 9 to 10 Years in the US, 2016-2018. JAMA Network Open 2023, 6: e2314193. PMID: 37200030, PMCID: PMC10196880, DOI: 10.1001/jamanetworkopen.2023.14193.Peer-Reviewed Original ResearchConceptsBody mass indexHigher body mass indexWaist circumferenceBMI z-scoreCross-sectional studyBrain healthCross-sectional analysisFunctional connectivityMass indexMean ageInterval developmentCorpus callosumAssociation of BMIHigher baseline body mass indexBaseline cross-sectional analysisBaseline body mass indexBrain integrityResting-state functional connectivityLongitudinal analysisFuture treatment trialsABCD studyLower microstructural integrityCognitive Development StudyAdolescent Brain Cognitive Development (ABCD) studyCardiovascular implicationsBlood pressure-related white matter microstructural disintegrity and associated cognitive function impairment in asymptomatic adults
Acosta J, Haider S, Rivier C, Leasure A, Sheth K, Falcone G, Payabvash S. Blood pressure-related white matter microstructural disintegrity and associated cognitive function impairment in asymptomatic adults. Stroke And Vascular Neurology 2023, 8: 358-367. PMID: 36878613, PMCID: PMC10647862, DOI: 10.1136/svn-2022-001929.Peer-Reviewed Original Research
2022
Bedside monitoring of hypoxic ischemic brain injury using low-field, portable brain magnetic resonance imaging after cardiac arrest
Beekman R, Crawford A, Mazurek MH, Prabhat AM, Chavva IR, Parasuram N, Kim N, Kim JA, Petersen N, de Havenon A, Khosla A, Honiden S, Miller PE, Wira C, Daley J, Payabvash S, Greer DM, Gilmore EJ, Kimberly W, Sheth KN. Bedside monitoring of hypoxic ischemic brain injury using low-field, portable brain magnetic resonance imaging after cardiac arrest. Resuscitation 2022, 176: 150-158. PMID: 35562094, PMCID: PMC9746653, DOI: 10.1016/j.resuscitation.2022.05.002.Peer-Reviewed Original ResearchConceptsCardiac arrestBrain injuryHypoxic-ischemic brain injuryAdverse neurological outcomesIschemic brain injurySingle-center studyBrain magnetic resonanceBrain injury severityBoard-certified neuroradiologistsLow-field MRIFLAIR signal intensityNeurological outcomeCA patientsIll patientsMRI findingsCA survivorsCenter studyMRI examinationsClinical careHigh riskInjury severityPatientsSignal intensityBedside monitoringMR imagingAnalysis of Clinical Traits Associated With Cardiovascular Health, Genomic Profiles, and Neuroimaging Markers of Brain Health in Adults Without Stroke or Dementia
Acosta JN, Both CP, Rivier C, Szejko N, Leasure AC, Gill TM, Payabvash S, Sheth KN, Falcone GJ. Analysis of Clinical Traits Associated With Cardiovascular Health, Genomic Profiles, and Neuroimaging Markers of Brain Health in Adults Without Stroke or Dementia. JAMA Network Open 2022, 5: e2215328. PMID: 35622359, PMCID: PMC9142873, DOI: 10.1001/jamanetworkopen.2022.15328.Peer-Reviewed Original ResearchConceptsBrain healthBrain volumeMagnetic resonance imagingLower mean volumeLifestyle factorsCardiovascular healthLarge population-based cohort studyLife's Simple 7 (LS7) scoresPopulation-based cohort studyBrain magnetic resonance imagingMean volumeWhite matter hyperintensity volumeBrain health benefitsCommunity-dwelling personsImproved brain healthOutcomes of interestUK BiobankFinal analytical sampleAsymptomatic personsCohort studyLS7 scoreNeuroimaging markerHyperintensity volumeMAIN OUTCOMEGenetic predispositionBedside detection of intracranial midline shift using portable magnetic resonance imaging
Sheth KN, Yuen MM, Mazurek MH, Cahn BA, Prabhat AM, Salehi S, Shah JT, By S, Welch EB, Sofka M, Sacolick LI, Kim JA, Payabvash S, Falcone GJ, Gilmore EJ, Hwang DY, Matouk C, Gordon-Kundu B, RN AW, Petersen N, Schindler J, Gobeske KT, Sansing LH, Sze G, Rosen MS, Kimberly WT, Kundu P. Bedside detection of intracranial midline shift using portable magnetic resonance imaging. Scientific Reports 2022, 12: 67. PMID: 34996970, PMCID: PMC8742125, DOI: 10.1038/s41598-021-03892-7.Peer-Reviewed Original ResearchConceptsMidline shiftNeuroscience intensive care unitCare measurementYale-New Haven HospitalValuable bedside toolIntensive care unitPoor clinical outcomeBrain-injured patientsMass effectNew Haven HospitalMagnetic resonance imagingClinical outcomesIll patientsCare unitStroke patientsFunctional outcomeBedside toolObservational studyBedside detectionImaging examsPatientsResonance imagingPortable MRIImaging suiteSignificant concordance
2020
Effects of Collateral Status on Infarct Distribution Following Endovascular Therapy in Large Vessel Occlusion Stroke
Al-Dasuqi K, Payabvash S, Torres-Flores GA, Strander SM, Nguyen CK, Peshwe KU, Kodali S, Silverman A, Malhotra A, Johnson MH, Matouk CC, Schindler JL, Sansing LH, Falcone GJ, Sheth KN, Petersen NH. Effects of Collateral Status on Infarct Distribution Following Endovascular Therapy in Large Vessel Occlusion Stroke. Stroke 2020, 51: e193-e202. PMID: 32781941, PMCID: PMC7484023, DOI: 10.1161/strokeaha.120.029892.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArterial Occlusive DiseasesCerebral InfarctionCohort StudiesCollateral CirculationComputed Tomography AngiographyEndovascular ProceduresFemaleHumansInfarction, Middle Cerebral ArteryLinear ModelsMagnetic Resonance AngiographyMaleMiddle AgedReperfusionRetrospective StudiesStrokeThrombectomyTreatment OutcomeWhite MatterConceptsLarge vessel occlusion strokeFinal infarct volumeCollateral statusPoor collateral statusFavorable outcomeInfarct distributionInfarct volumeReperfusion successIndependent predictorsOcclusion strokeInternal capsuleAnterior circulation large vessel occlusion ischemic strokeLarge vessel occlusion ischemic strokeDeep white matter tractsBaseline collateral statusBorder-zone infarctionEarly favorable outcomeEarly functional outcomesRankin Scale scoreCohort of patientsDegree of reperfusionLarge vessel occlusionComputed tomography angiographyDeep white matterMagnetic resonance imagingChoice of imaging modality for pre-treatment staging of head and neck cancer impacts TNM staging
Mur T, Sambhu KM, Mahajan A, Payabvash S, Fernandez J, Edwards HA. Choice of imaging modality for pre-treatment staging of head and neck cancer impacts TNM staging. American Journal Of Otolaryngology 2020, 41: 102662. PMID: 32858370, DOI: 10.1016/j.amjoto.2020.102662.Peer-Reviewed Original ResearchConceptsPET/CTLow-dose nonenhanced CTDistant metastasisChest CTNeck cancerNonenhanced CTF-fluorodeoxyglucose positron emission tomographyF-FDG PET/CTDiagnostic chest CTDistant metastatic diseaseInitiation of therapyRetrospective cohort studyPre-treatment stagingTertiary care settingSignificant differencesPositron emission tomographyMetastatic diseaseCohort studyOncologic treatmentTNM stagingInaccurate stagingNeck radiologistsCare settingsSingle patientPatients
2019
Poor Outcomes Related to Anterior Extension of Large Hemispheric Infarction: Topographic Analysis of GAMES-RP Trial MRI Scans
Payabvash S, Falcone GJ, Sze GK, Jain A, Beslow LA, Petersen NH, Sheth KN, Kimberly WT. Poor Outcomes Related to Anterior Extension of Large Hemispheric Infarction: Topographic Analysis of GAMES-RP Trial MRI Scans. Journal Of Stroke And Cerebrovascular Diseases 2019, 29: 104488. PMID: 31787498, PMCID: PMC8820410, DOI: 10.1016/j.jstrokecerebrovasdis.2019.104488.Peer-Reviewed Original ResearchMeSH KeywordsAdministration, IntravenousAgedAnterior Cerebral ArteryCerebrovascular CirculationCerebrumClinical Trials as TopicClinical Trials, Phase II as TopicDiffusion Magnetic Resonance ImagingDisability EvaluationExtremitiesFemaleGlyburideHumansHypoglycemic AgentsInfarction, Anterior Cerebral ArteryInfarction, Middle Cerebral ArteryMaleMiddle AgedMiddle Cerebral ArteryPatient AdmissionPredictive Value of TestsRecovery of FunctionRisk FactorsTime FactorsTreatment OutcomeUnited StatesConceptsLarge hemispheric infarctionInfarct volumeIndependent predictorsInfarct lesionsHemispheric infarctionHealth Stroke Scale total scorePost-stroke day 3Anterior cerebral artery territoryTotal scoreLeft MCA infarctLeg motor functionNIHSS total scoreHours of onsetOnly independent predictorPoor functional outcomeBorder zoneScale total scoreAnterior extensionMultivariate regression analysisVoxel-wise analysisLHI patientsAdmission NIHSSArtery territoryGlibenclamide treatmentMCA infarctQuantitative diffusion magnetic resonance imaging for prediction of human papillomavirus status in head and neck squamous-cell carcinoma: A systematic review and meta-analysis
Payabvash S, Chan A, Maralani P, Malhotra A. Quantitative diffusion magnetic resonance imaging for prediction of human papillomavirus status in head and neck squamous-cell carcinoma: A systematic review and meta-analysis. The Neuroradiology Journal 2019, 32: 232-240. PMID: 31084347, PMCID: PMC6639646, DOI: 10.1177/1971400919849808.Peer-Reviewed Original ResearchConceptsNeck squamous cell carcinomaDiffusion-weighted imagingHPV-positive HNSCCSquamous cell carcinomaHPV-negative HNSCCPrimary tumor lesionsStandardized mean differenceQuantitative diffusion magnetic resonancePrimary lesionHPV statusTumor lesionsAverage ADCDiffusion magnetic resonanceMean differenceHiggins' inconsistency indexHuman papillomavirus (HPV) statusHuman papillomavirus infectionApparent diffusion coefficient (ADC) valuesRandom-effects modelNoninvasive imaging biomarkerComprehensive literature searchAverage ADC valueEcho-planar diffusion-weighted imagingFixed-effects modelPapillomavirus infectionDiffusion tensor tractography in children with sensory processing disorder: Potentials for devising machine learning classifiers
Payabvash S, Palacios EM, Owen JP, Wang MB, Tavassoli T, Gerdes M, Brandes-Aitken A, Marco EJ, Mukherjee P. Diffusion tensor tractography in children with sensory processing disorder: Potentials for devising machine learning classifiers. NeuroImage Clinical 2019, 23: 101831. PMID: 31035231, PMCID: PMC6488562, DOI: 10.1016/j.nicl.2019.101831.Peer-Reviewed Original ResearchConceptsPosterior white matter tractsSupport vector machineAccurate classification rateNaïve BayesDifferent machineNeural networkVector machineRandom forestClassification rateRandom forest modelMachineEdge densityConnectivity metricsAlgorithmDTI/High accuracyForest modelMetricsAccuracyBrain's inabilityBayesClassifierNetworkSensory processing disordersClassificationComparative Effectiveness of Endovascular Thrombectomy in Elderly Stroke Patients
Malhotra A, Wu X, Payabvash S, Matouk CC, Forman HP, Gandhi D, Sanelli P, Schindler J. Comparative Effectiveness of Endovascular Thrombectomy in Elderly Stroke Patients. Stroke 2019, 50: 963-969. PMID: 30908156, DOI: 10.1161/strokeaha.119.025031.Peer-Reviewed Original ResearchConceptsQuality-adjusted life yearsIntravenous thrombolysisEndovascular thrombectomyLarge vessel occlusionAge 80 yearsEVT strategyVessel occlusionModified Rankin Scale scorePoststroke functional outcomeAcute ischemic strokeRankin Scale scoreElderly stroke patientsMarkov decision-analytic modelYears of ageDecision analytic modelMultiple sensitivity analysesPurpose- StrokeAcute strokeBaseline disabilityElderly patientsIschemic strokeStroke patientsFunctional outcomeHealthy patientsAdvanced ageWhite Matter Connectome Edge Density in Children with Autism Spectrum Disorders: Potential Imaging Biomarkers Using Machine-Learning Models
Payabvash S, Palacios E, Owen JP, Wang MB, Tavassoli T, Gerdes M, Brandes-Aitken A, Cuneo D, Marco E, Mukherjee P. White Matter Connectome Edge Density in Children with Autism Spectrum Disorders: Potential Imaging Biomarkers Using Machine-Learning Models. Brain Connectivity 2019, 9: 209-220. PMID: 30661372, PMCID: PMC6444925, DOI: 10.1089/brain.2018.0658.Peer-Reviewed Original Research
2018
Volumetric voxelwise apparent diffusion coefficient histogram analysis for differentiation of the fourth ventricular tumors
Payabvash S, Tihan T, Cha S. Volumetric voxelwise apparent diffusion coefficient histogram analysis for differentiation of the fourth ventricular tumors. The Neuroradiology Journal 2018, 31: 554-564. PMID: 30230411, PMCID: PMC6243467, DOI: 10.1177/1971400918800803.Peer-Reviewed Original ResearchDifferentiation of Cerebellar Hemisphere Tumors: Combining Apparent Diffusion Coefficient Histogram Analysis and Structural MRI Features
Payabvash S, Tihan T, Cha S. Differentiation of Cerebellar Hemisphere Tumors: Combining Apparent Diffusion Coefficient Histogram Analysis and Structural MRI Features. Journal Of Neuroimaging 2018, 28: 656-665. PMID: 30066449, DOI: 10.1111/jon.12550.Peer-Reviewed Original Research
2017
Multivariate Prognostic Model of Acute Stroke Combining Admission Infarct Location and Symptom Severity: A Proof-of-Concept Study
Payabvash S, Benson JC, Tyan AE, Taleb S, McKinney AM. Multivariate Prognostic Model of Acute Stroke Combining Admission Infarct Location and Symptom Severity: A Proof-of-Concept Study. Journal Of Stroke And Cerebrovascular Diseases 2017, 27: 936-944. PMID: 29198948, DOI: 10.1016/j.jstrokecerebrovasdis.2017.10.034.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overArea Under CurveBrainBrain IschemiaBrain MappingDatabases, FactualDecision Support TechniquesDiffusion Magnetic Resonance ImagingDisability EvaluationFemaleHumansLogistic ModelsMaleMesencephalonMiddle AgedMultivariate AnalysisOdds RatioPatient AdmissionPonsPredictive Value of TestsProof of Concept StudyReproducibility of ResultsRetrospective StudiesRisk FactorsROC CurveSeverity of Illness IndexStrokeTime FactorsTreatment OutcomeConceptsDisability/deathMidbrain/ponsAcute ischemic stroke patientsIschemic stroke patientsAdmission NIHSS scoreStroke patientsNIHSS scoreIndependent predictorsInfarct locationScale scoreHealth Stroke Scale scoreHigher admission NIHSS scoresModified Rankin Scale scoreSymptom severityAdmission stroke severityBaseline functional disabilityLarger infarct volumesStroke Scale scoreRankin Scale scoreHours of onsetAcute ischemic infarctMultivariate prognostic modelMajor arterial occlusionHypothesis-generating studyVoxel-based analysis
2016
The Effects of DWI‐Infarct Lesion Volume on DWI‐FLAIR Mismatch: Is There a Need for Size Stratification?
Payabvash S, Taleb S, Benson JC, Rykken JB, Oswood MC, McKinney AM, Hoffman B. The Effects of DWI‐Infarct Lesion Volume on DWI‐FLAIR Mismatch: Is There a Need for Size Stratification? Journal Of Neuroimaging 2016, 27: 392-396. PMID: 27878926, DOI: 10.1111/jon.12407.Peer-Reviewed Original ResearchConceptsDWI-FLAIR mismatchPositive predictive valueDWI lesion volumeLesion volumeNegative predictive valueStroke onsetAcute infarctsStroke patientsInfarct lesionsPredictive valueFluid-attenuated inversion recovery hyperintensityAcute ischemic stroke patientsInfarct lesion volumeIschemic stroke patientsHours of onsetInversion recovery hyperintensityContralateral normal sideIdentification of strokePotential imaging biomarkerMultivariate regression analysisIdentification of infarctionSymptom onsetTherapy timeNormal sideImaging biomarkers