2023
Clinical 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
2021
Pilot MRI-based strategies to improve the detection of stroke in patients with dizziness/vertigo
Tu LH, Mahajan A, Minja FJ, Navaratnam D, Melnick ER. Pilot MRI-based strategies to improve the detection of stroke in patients with dizziness/vertigo. Clinical Imaging 2021, 82: 234-236. PMID: 34902799, DOI: 10.1016/j.clinimag.2021.12.001.Peer-Reviewed Original ResearchConceptsDizziness/vertigoCT/CTAPosterior strokeNon-specific complaintsEmergency department practiceSuch patientsPosterior circulationStroke evaluationDetection of strokeFalse reassuranceConventional MRIStrokePatientsMRIVertigoDepartment practiceHigh rateSpecialized MRICTALow sensitivityDizzinessComplaintsCT