2024
Uncertainty-aware deep-learning model for prediction of supratentorial hematoma expansion from admission non-contrast head computed tomography scan
Tran A, Zeevi T, Haider S, Abou Karam G, Berson E, Tharmaseelan H, Qureshi A, Sanelli P, Werring D, Malhotra A, Petersen N, de Havenon A, Falcone G, Sheth K, Payabvash S. Uncertainty-aware deep-learning model for prediction of supratentorial hematoma expansion from admission non-contrast head computed tomography scan. Npj Digital Medicine 2024, 7: 26. PMID: 38321131, PMCID: PMC10847454, DOI: 10.1038/s41746-024-01007-w.Peer-Reviewed Original ResearchDeep learning modelsHematoma expansionIntracerebral hemorrhageICH expansionComputed tomographyNon-contrast head CTNon-contrast head computed tomographyHigh risk of HEHead computed tomographyHigh-confidence predictionsRisk of HENon-contrast headReceiver operating characteristic areaModifiable risk factorsMonte Carlo dropoutOperating characteristics areaPotential treatment targetHead CTVisual markersIdentified patientsAutomated deep learning modelDataset of patientsRisk factorsHigh riskPatientsTime-Dependent Changes in Hematoma Expansion Rate after Supratentorial Intracerebral Hemorrhage and Its Relationship with Neurological Deterioration and Functional Outcome
Karam G, Chen M, Zeevi D, Harms B, Torres-Lopez V, Rivier C, Malhotra A, de Havenon A, Falcone G, Sheth K, Payabvash S. Time-Dependent Changes in Hematoma Expansion Rate after Supratentorial Intracerebral Hemorrhage and Its Relationship with Neurological Deterioration and Functional Outcome. Diagnostics 2024, 14: 308. PMID: 38337824, PMCID: PMC10855868, DOI: 10.3390/diagnostics14030308.Peer-Reviewed Original ResearchPredictors of NDSupratentorial intracerebral hemorrhageHematoma expansionIntracerebral hemorrhageNeurological deteriorationPoor outcomeNIH Stroke ScalePost-ICHFunctional outcomesMild symptomsHematoma expansion ratesIntracerebral hemorrhage onsetAssociation of HEModifiable risk factorsGlasgow Coma ScaleBaseline CTHematoma growthConsecutive patientsHead CTSCAN-3Follow-upRate of HEComa ScaleRisk factorsHematoma
2023
Radiomic markers of intracerebral hemorrhage expansion on non-contrast CT: independent validation and comparison with visual markers
Haider S, Qureshi A, Jain A, Tharmaseelan H, Berson E, Zeevi T, Werring D, Gross M, Mak A, Malhotra A, Sansing L, Falcone G, Sheth K, Payabvash S. Radiomic markers of intracerebral hemorrhage expansion on non-contrast CT: independent validation and comparison with visual markers. Frontiers In Neuroscience 2023, 17: 1225342. PMID: 37655013, PMCID: PMC10467422, DOI: 10.3389/fnins.2023.1225342.Peer-Reviewed Original ResearchIndependent validation cohortIntracerebral hemorrhageRadiomic featuresValidation cohortClinical variablesHematoma expansionSpontaneous supratentorial intracerebral hemorrhageNon-contrast head CTSupratentorial intracerebral hemorrhageTomography (CT) of patientsNon-contrast headFuture clinical trialsNon-contrast CTIntracerebral Hemorrhage ExpansionHigh predictive valueBAT scoreHypertensive patientsClinical predictorsPrognostic relevanceFunctional outcomeClinical trialsHead CTHemorrhage expansionClinical trial datasetDiscovery cohort
2021
Early head CT in post-cardiac arrest patients: A helpful tool or contributor to self-fulfilling prophecy?
Beekman R, Maciel CB, Ormseth CH, Zhou SE, Galluzzo D, Miyares LC, Torres-Lopez VM, Payabvash S, Mak A, Greer DM, Gilmore EJ. Early head CT in post-cardiac arrest patients: A helpful tool or contributor to self-fulfilling prophecy? Resuscitation 2021, 165: 68-76. PMID: 34147572, DOI: 10.1016/j.resuscitation.2021.06.004.Peer-Reviewed Original ResearchConceptsGray-white matter ratioHCT findingsArrest patientsInter-rater reliabilityPost-cardiac arrest patientsTertiary care academic medical centerEarly head CTPost-CA carePost-CA patientsCardiac arrest patientsHalf of casesAcademic medical centerElectronic medical recordsWithdrawal of lifeNeurophysiologic testingSpontaneous circulationInjury burdenMedical recordsHead CTTherapeutic decisionsMedical CenterPatientsNeurointensivistsHctTemperature management
2011
Cranial CT with Adaptive Statistical Iterative Reconstruction: Improved Image Quality with Concomitant Radiation Dose Reduction
Rapalino O, Kamalian S, Kamalian S, Payabvash S, Souza LC, Zhang D, Mukta J, Sahani DV, Lev MH, Pomerantz SR. Cranial CT with Adaptive Statistical Iterative Reconstruction: Improved Image Quality with Concomitant Radiation Dose Reduction. American Journal Of Neuroradiology 2011, 33: 609-615. PMID: 22207302, PMCID: PMC8050448, DOI: 10.3174/ajnr.a2826.Peer-Reviewed Original ResearchConceptsHead CTRadiation dose reductionAdult head CTBlinded qualitative analysisHigh-dose onesUse of ASIRCT radiation dose reductionASIR levelsHounsfield unit measurementsAdult patientsLow-dose scansBrain parenchymaCranial CTRoutine doseLow radiation dosesDose reductionCT scanLow-dose CT datasetAdaptive statistical iterative reconstructionPatient healthASIR reconstructionNormal GMsCTDose scansGM-WM differentiation