2024
Incidental Detection of Previously Unknown Strokes on Head CT Examinations: An Untapped Opportunity for Secondary Prevention
Kenny-Howell C, Dixe de Oliveira Santo I, Wira C, de Havenon A, Tu L. Incidental Detection of Previously Unknown Strokes on Head CT Examinations: An Untapped Opportunity for Secondary Prevention. Journal Of The American College Of Radiology 2024 PMID: 39571646, DOI: 10.1016/j.jacr.2024.11.010.Peer-Reviewed Original ResearchHead CT imagesEmergency departmentOld strokeSecondary preventionHead CTCT imagesRetrospective study of adult patientsImplement secondary preventionStudy of adult patientsAssociated with greater ageHead CT examinationsED careRisk of recurrent strokeED encountersUnivariate regressionCerebellar locationCT examinationsRetrospective studyAdult patientsIncidental detectionUnivariate analysisIncidental discoveryGreater ageMultivariate regressionPatientsExternal validation of the SI2NCAL2C score for outcomes following cerebral venous thrombosis
Klein P, Shu L, Lindgren E, de Winter M, Siegler J, Simpkins A, Omran S, Heldner M, de Havenon A, Abdalkader M, Al Kasab S, Stretz C, Wu T, Wilson D, Asad S, Almallouhi E, Frontera J, Kuohn L, Rothstein A, Bakradze E, Henninger N, Zubair A, Sharma R, Kerrigan D, Aziz Y, Mistry E, van Kammen M, Tatlisumak T, Krzywicka K, Aguiar de Sousa D, Jood K, Field T, Yaghi S, Coutinho J, Nguyen T. External validation of the SI2NCAL2C score for outcomes following cerebral venous thrombosis. Journal Of Stroke And Cerebrovascular Diseases 2024, 33: 107720. PMID: 38614162, DOI: 10.1016/j.jstrokecerebrovasdis.2024.107720.Peer-Reviewed Original ResearchConceptsCerebral venous thrombosisArea under the receiver operating characteristic curvePoor outcomeVenous thrombosisCentral nervous system infectionInternational retrospective studyNervous system infectionExternal validation cohortFocal neurological deficitsReceiver operating characteristic curvePoor outcome dataLevels of hemoglobinLack of follow-upPoorer outcome scoresConsecutive patientsClinical presentationRetrospective studyValidation cohortIntracerebral hemorrhageNeurological deficitsFollow-upOutcome scoresSystemic infectionLevels of glucoseInternational cohort
2022
Outcome Prediction in Cerebral Venous Thrombosis: The IN-REvASC Score
Klein P, Shu L, Nguyen TN, Siegler JE, Omran SS, Simpkins AN, Heldner M, de Havenon A, Aparicio HJ, Abdalkader M, Psychogios M, Vedovati MC, Paciaroni M, von Martial R, Liebeskind DS, de Sousa D, Coutinho JM, Yaghi S, Group F. Outcome Prediction in Cerebral Venous Thrombosis: The IN-REvASC Score. Journal Of Stroke 2022, 24: 404-416. PMID: 36221944, PMCID: PMC9561213, DOI: 10.5853/jos.2022.01606.Peer-Reviewed Original ResearchCerebral venous thrombosisPoor neurological outcomePoor outcomeNeurological outcomeVenous thrombosisPrognostic scoreRisk factorsInternational multicenter retrospective studyMulticenter retrospective studyMultivariable logistic regressionFuture clinical trialsActive cancerHigher NIHSSConsecutive patientsMedian ageMultivariable analysisRetrospective studyMRS 3Black raceRadiographic characteristicsClinical trialsPrognostic accuracyHigh riskPatientsClinical decision
2021
Vessel Wall Enhancement on Black-Blood MRI Predicts Acute and Future Stroke in Cerebral Amyloid Angiopathy
McNally JS, Sakata A, Alexander MD, Dewitt LD, Sonnen JA, Menacho ST, Stoddard GJ, Kim S, de Havenon AH. Vessel Wall Enhancement on Black-Blood MRI Predicts Acute and Future Stroke in Cerebral Amyloid Angiopathy. American Journal Of Neuroradiology 2021, 42: 1038-1045. PMID: 33737266, PMCID: PMC8191668, DOI: 10.3174/ajnr.a7047.Peer-Reviewed Original ResearchConceptsCerebral amyloid angiopathyFuture ischemic strokeVessel wall enhancementIschemic strokeAmyloid angiopathyWall enhancementFuture strokeC-statisticVessel wall MRNew-onset neurologic symptomsInitial ischemic strokeStroke-free survivalAcute ischemic strokeIschemic stroke incidenceCAA patientsFinal regression modelNeurologic symptomsStroke incidenceCerebral amyloidCox regressionRetrospective studyRisk factorsMultivariable PoissonNegative participantsAngiopathyImpaired Distal Perfusion Predicts Length of Hospital Stay in Patients with Symptomatic Middle Cerebral Artery Stenosis
Yaghi S, de Havenon A, Honda T, Hinman JD, Raychev R, Sharma LK, Kim S, Feldmann E, Romano JG, Prabhakaran S, Liebeskind DS. Impaired Distal Perfusion Predicts Length of Hospital Stay in Patients with Symptomatic Middle Cerebral Artery Stenosis. Journal Of Neuroimaging 2021, 31: 475-479. PMID: 33565162, PMCID: PMC8119309, DOI: 10.1111/jon.12839.Peer-Reviewed Original ResearchConceptsTransient ischemic attackMCA stenosisPerfusion delayPerfusion imagingSymptomatic middle cerebral artery stenosisMiddle cerebral artery stenosisSymptomatic MCA stenosisComprehensive stroke centerSymptomatic intracranial stenosisCerebral artery stenosisContinuous variablesHospital stayIschemic attackIschemic strokeStenosis patientsStroke centersSymptom onsetConsecutive patientsArtery stenosisIntracranial stenosisProspective studyRetrospective studyPredicts LengthInclusion criteriaMismatch volume
2020
Hypoperfusion Distal to Anterior Circulation Intracranial Atherosclerosis is Associated with Recurrent Stroke
de Havenon A, Khatri P, Prabhakaran S, Yeatts S, Peterson C, Sacchetti D, Alexander M, Cutting S, Mac Grory B, Furie K, Liebeskind D, Yaghi S. Hypoperfusion Distal to Anterior Circulation Intracranial Atherosclerosis is Associated with Recurrent Stroke. Journal Of Neuroimaging 2020, 30: 468-470. PMID: 32579278, PMCID: PMC8010594, DOI: 10.1111/jon.12710.Peer-Reviewed Original ResearchConceptsIntracranial atherosclerotic diseaseSymptomatic intracranial atherosclerotic diseaseDistal hypoperfusionRecurrent strokeComputed tomographyRetrospective study of patientsImpaired distal flowIntracranial atherosclerotic disease patientsSymptomatic ischemic strokeStudy of patientsAssociated with recurrent strokeMiddle cerebral arteryAssociated with stroke recurrenceIntracranial carotidSecondary stroke preventionRetrospective studySymptomatic arteryPerfusion statusHazard ratioPrimary outcomeCerebral arteryStroke preventionHypoperfusionPatientsInclusion criteria