2022
Direct cost analysis of rapid MRI in the emergency department evaluation of patients suspected of having acute ischemic stroke**
de Havenon A, Orlando C, Delic A, McNally JS, Majersik JJ, Harman T, Alexander M, Reddy V, Lyden S, Anzai Y. Direct cost analysis of rapid MRI in the emergency department evaluation of patients suspected of having acute ischemic stroke**. The Neuroradiology Journal 2022, 36: 142-147. PMID: 35701745, PMCID: PMC10034695, DOI: 10.1177/19714009221108681.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeHospital lengthIschemic strokeBrain attackRapid MRIAIS patientsEmergency departmentCT perfusionMRI cohortRapid MRI protocolTotal hospital lengthEmergency department evaluationDirect costsNeurologic symptom onsetTotal direct costsDirect cost analysisHospital LOSSequential patientsSymptom onsetDepartment evaluationED LOSPrimary outcomeDischarge diagnosisPatientsMRI protocol
2021
MR Perfusion in the Evaluation of Mechanical Thrombectomy Candidacy
Muddasani V, de Havenon A, McNally JS, Baradaran H, Alexander MD. MR Perfusion in the Evaluation of Mechanical Thrombectomy Candidacy. Topics In Magnetic Resonance Imaging 2021, 30: 197-204. PMID: 34397969, PMCID: PMC8371677, DOI: 10.1097/rmr.0000000000000277.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingIschemic strokeComputed tomographyMR perfusionCore infarctDiffusion-weighted magnetic resonance imagingPerfusion-diffusion mismatchDegree of ischemiaNoncontrast Computed TomographyImproved imaging techniquesSalvageable brainSuperior diagnostic informationIschemic penumbraSymptom onsetAcute evaluationAppropriate imagingPatient selectionStroke therapyThrombolytic therapyPoor outcomePrognostic valueLeading causeEffective treatmentBetter outcomesEarly identificationImpaired 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