2024
Diffusion‐Weighted Imaging Fluid‐Attenuated Inversion Recovery Mismatch on Portable, Low‐Field Magnetic Resonance Imaging Among Acute Stroke Patients
Sorby‐Adams A, Guo J, de Havenon A, Payabvash S, Sze G, Pinter N, Jaikumar V, Siddiqui A, Baldassano S, Garcia‐Guarniz A, Zabinska J, Lalwani D, Peasley E, Goldstein J, Nelson O, Schaefer P, Wira C, Pitts J, Lee V, Muir K, Nimjee S, Kirsch J, Iglesias J, Rosen M, Sheth K, Kimberly W. Diffusion‐Weighted Imaging Fluid‐Attenuated Inversion Recovery Mismatch on Portable, Low‐Field Magnetic Resonance Imaging Among Acute Stroke Patients. Annals Of Neurology 2024, 96: 321-331. PMID: 38738750, PMCID: PMC11293843, DOI: 10.1002/ana.26954.Peer-Reviewed Original ResearchStroke patientsAcute ischemic strokeCut-pointsIschemic strokeStroke patients <Diagnosis of acute ischemic strokeSignal intensity ratioFluid-attenuated inversion recoveryAcute stroke patientsOptimal cut-pointMagnetic resonance imagingDiffusion-weighted imagingDWI-FLAIR mismatchStroke onsetTrained assessorsNational InstituteStrokeThrombolytic interventionNegative predictive valueFLAIR hyperintensitiesPatientsInterobserver agreementHyperacute strokeDiffusion-weightedPredictive value
2023
Effect of COVID-19 on Acute Ischemic Stroke Severity and Mortality in 2020: Results From the 2020 National Inpatient Sample
de Havenon A, Zhou L, Yaghi S, Frontera J, Sheth K. Effect of COVID-19 on Acute Ischemic Stroke Severity and Mortality in 2020: Results From the 2020 National Inpatient Sample. Stroke 2023, 54: e194-e198. PMID: 37021563, PMCID: PMC10121243, DOI: 10.1161/strokeaha.122.041929.Peer-Reviewed Original ResearchConceptsHealth Stroke ScaleStroke ScaleStroke severityLowest quartileCOVID-19Acute ischemic stroke outcomesAcute ischemic stroke severityHigher stroke severityHospital stroke mortalityIschemic stroke outcomeHigher National InstitutesNational Inpatient SampleCross-sectional cohortIschemic stroke severityCOVID-19 statusNational InstituteHospital mortalityAdjusted riskHospital dischargeIschemic strokeStroke outcomeStroke mortalityAIS severityInpatient SampleExposure status
2021
Investigating the “Weekend Effect” on Outcomes of Patients Undergoing Endovascular Mechanical Thrombectomy for Ischemic Stroke
Grandhi R, Ravindra VM, Ney JP, Zaidat O, Taussky P, de Havenon A. Investigating the “Weekend Effect” on Outcomes of Patients Undergoing Endovascular Mechanical Thrombectomy for Ischemic Stroke. Journal Of Stroke And Cerebrovascular Diseases 2021, 30: 106013. PMID: 34375859, PMCID: PMC8511062, DOI: 10.1016/j.jstrokecerebrovasdis.2021.106013.Peer-Reviewed Original ResearchMeSH KeywordsAfter-Hours CareAgedAged, 80 and overCross-Sectional StudiesDatabases, FactualEndovascular ProceduresFemaleHospital CostsHospital MortalityHumansInpatientsIschemic StrokeLength of StayMaleMiddle AgedPatient DischargeRetrospective StudiesRisk AssessmentRisk FactorsThrombectomyTime FactorsTreatment OutcomeUnited StatesConceptsAcute ischemic strokeEndovascular thrombectomyIschemic strokeLarge vessel occlusion ischemic strokeHealth Stroke Scale scoreNationwide Inpatient Sample dataStroke Scale scoreExtended hospital stayWorse clinical outcomesCross-sectional analysisLogistic regression modelsHospital deathHospital staySecondary outcomesPrimary outcomeClinical outcomesAIS patientsNormal working hoursPatientsScale scoreFavorable dischargeExposure variablesStrokeWeekends/National Institute