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
Characteristics and Outcomes Among US Patients Hospitalized for Ischemic Stroke Before vs During the COVID-19 Pandemic
de Havenon A, Ney JP, Callaghan B, Hohmann S, Shippey E, Yaghi S, Anadani M, Majersik JJ. Characteristics and Outcomes Among US Patients Hospitalized for Ischemic Stroke Before vs During the COVID-19 Pandemic. JAMA Network Open 2021, 4: e2110314. PMID: 33999162, PMCID: PMC8129817, DOI: 10.1001/jamanetworkopen.2021.10314.Peer-Reviewed Original ResearchConceptsIschemic strokeCOVID-19 groupCohort studyUS patientsCOVID-19Prepandemic levelsLaboratory-confirmed COVID-19Vizient Clinical Data BaseCOVID-19 pandemicRetrospective cohort studyAcute coronary syndromeOutcomes of hospitalizationHospital discharge ratesTime of admissionHospitalization of patientsCOVID-19 statusClinical data baseNonelective basisCoronary syndromeHospital deathHospital dischargePulmonary emboliBaseline factorsHispanic patientsNonfederal hospitals
2015
Medial Occipital Lobe Hyperperfusion Identified by Arterial Spin-Labeling: A Poor Prognostic Sign in Patients with Hypoxic-Ischemic Encephalopathy
de Havenon A, Sultan-Qurraie A, Tirschwell D, Cohen W, Majersik J, Andre JB. Medial Occipital Lobe Hyperperfusion Identified by Arterial Spin-Labeling: A Poor Prognostic Sign in Patients with Hypoxic-Ischemic Encephalopathy. American Journal Of Neuroradiology 2015, 36: 2292-2295. PMID: 26338917, PMCID: PMC7964282, DOI: 10.3174/ajnr.a4444.Peer-Reviewed Original ResearchConceptsHypoxic-ischemic encephalopathyModerate hypoxic-ischemic encephalopathyCohort of patientsPoor prognostic signArterial spin-labeling MRArterial spin labelingHospital dischargeAdult patientsPrognostic signPrognostic valueProspective InvestigationUncertain prognosisHyperperfusionPatientsEncephalopathyArterial spin labeling dataCBF mapsHigher likelihoodROI placementVoxel basisSpin labelingQuantitative CBF mapsRegional increaseDistinctive patternsPrognosis