Cost-Effectiveness of CT, CTA, MRI, and Specialized MRI for Evaluation of Patients Presenting to the Emergency Department With Dizziness.
Tu L, Melnick E, Venkatesh A, Sheth K, Navaratnam D, Yaesoubi R, Forman H, Mahajan A. Cost-Effectiveness of CT, CTA, MRI, and Specialized MRI for Evaluation of Patients Presenting to the Emergency Department With Dizziness. American Journal Of Roentgenology 2023, 222: e2330060. PMID: 37937837, DOI: 10.2214/ajr.23.30060.Peer-Reviewed Original ResearchQuality-adjusted life yearsEvaluation of patientsSecondary prevention measuresEmergency departmentProbabilistic sensitivity analysesConventional MRICumulative quality-adjusted life yearsCost-effective strategyIncremental costNoncontrast CT headAcute stroke treatmentSpecialized MRISelection of patientsHigher quality-adjusted life yearsConventional brain MRIMarkov decision-analytic modelNon-contrast CTNoncontrast head CTHealthcare system perspectiveUse of MRIBase-case analysisPrevention measuresDecision analytic modelGreater quality-adjusted life yearsDeterministic sensitivity analysesCT With CTA Versus MRI in Patients Presenting to the Emergency Department With Dizziness: Analysis Using Propensity Score Matching.
Tu L, Navaratnam D, Melnick E, Forman H, Venkatesh A, Malhotra A, Yaesoubi R, Sureshanand S, Sheth K, Mahajan A. CT With CTA Versus MRI in Patients Presenting to the Emergency Department With Dizziness: Analysis Using Propensity Score Matching. American Journal Of Roentgenology 2023, 221: 836-845. PMID: 37404082, DOI: 10.2214/ajr.23.29617.Peer-Reviewed Original ResearchConceptsSecondary stroke prevention medicationsStroke prevention medicationsEmergency departmentPrevention medicationsEchocardiography evaluationPosterior circulation strokeProportion of patientsGroup of patientsPhysical examination findingsNeuroimaging resultsUse of MRIReview of systemsGreater frequencyPropensity-score matchingExamination findingsRetrospective studyED readmissionMedical historyHead CTClinical impactMRI examinationsBrain MRINeck CTADizzinessPatientsClinical criteria to exclude acute vascular pathology on CT angiogram in patients with dizziness
Tu L, Malhotra A, Venkatesh A, Taylor R, Sheth K, Yaesoubi R, Forman H, Sureshanand S, Navaratnam D. Clinical criteria to exclude acute vascular pathology on CT angiogram in patients with dizziness. PLOS ONE 2023, 18: e0280752. PMID: 36893103, PMCID: PMC9997874, DOI: 10.1371/journal.pone.0280752.Peer-Reviewed Original ResearchConceptsAcute vascular pathologyEmergency departmentVascular pathologyNegative predictive valueDizzy patientsStroke codeCTA headPredictive valueAdult ED encountersTransient ischemic attackHalf of patientsLong-term smokersLarge vessel occlusionCoronary artery diseasePast medical historySeparate validation cohortCross-sectional analysisIschemic attackAnalysis cohortArterial dissectionArtery diseaseClinical factorsED encountersMedication useChief complaint