2023
Utility of Gadolinium-Based Contrast in Initial Evaluation of Seizures in Children Presenting Emergently
Andrijauskis D, Woolf G, Kuehne A, Al-Dasuqi K, Silva C, Payabvash S, Malhotra A. Utility of Gadolinium-Based Contrast in Initial Evaluation of Seizures in Children Presenting Emergently. American Journal Of Neuroradiology 2023, 44: 1208-1211. PMID: 37652579, PMCID: PMC10549952, DOI: 10.3174/ajnr.a7976.Peer-Reviewed Original ResearchConceptsSeizure presentationMR imagingConsecutive pediatric patientsNew-onset seizuresEvaluation of seizuresIschemic/hypoxicImaging of patientsBrain MR imagingGadolinium-based contrast agentsNoncontrast studyAcute onsetHippocampal sclerosisPediatric seizuresPatient agePediatric patientsNormal findingsIntracranial hemorrhageEmergency departmentVascular anomaliesInpatient unitGadolinium contrastPatientsNeurodevelopmental lesionAdditive benefitSeizuresCT 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
2020
Utility of routine follow-up imaging in patients with small paraflacine and/or paratentorial hemorrhages
Seifert KD, Wu X, Malhotra A. Utility of routine follow-up imaging in patients with small paraflacine and/or paratentorial hemorrhages. Clinical Neurology And Neurosurgery 2020, 196: 105956. PMID: 32526488, DOI: 10.1016/j.clineuro.2020.105956.Peer-Reviewed Original ResearchConceptsSubdural hemorrhageRoutine follow-up imagingSubsequent imagingImaging studiesSecond imaging studyAbsence of anticoagulationSubsequent imaging studiesFollow-up imagingAcute intracranial hemorrhageAnticoagulation useStable patientsRetrospective reviewClinical progressionIntracranial hemorrhageEmergency departmentClinical dataHemorrhage sizeHemorrhageRoutine imagingPatient statusPatientsParafalcineMultiple followSame protocolAverage number
2019
A comparison of benign positional vertigo and stroke patients presenting to the emergency department with vertigo or dizziness
Hanna J, Malhotra A, Brauer PR, Luryi A, Michaelides E. A comparison of benign positional vertigo and stroke patients presenting to the emergency department with vertigo or dizziness. American Journal Of Otolaryngology 2019, 40: 102263. PMID: 31358317, DOI: 10.1016/j.amjoto.2019.07.007.Peer-Reviewed Original ResearchConceptsBenign paroxysmal positional vertigoStroke risk factorsCT/CTAEmergency departmentBPPV patientsNeurologic symptomsStroke patientsRisk factorsPositional vertigoCT headExam findingsNeurologic exam findingsPosterior circulation strokeProfile of patientsBenign positional vertigoParoxysmal positional vertigoCommon imaging modalityAcute strokeNeurologic examInitial imagingMRI brainDischarge diagnosisComputed tomographyPatientsVertigo
2018
The Patient with Thunderclap Headache
Malhotra A, Wu X, Gandhi D, Sanelli P. The Patient with Thunderclap Headache. Neuroimaging Clinics Of North America 2018, 28: 335-351. PMID: 30007749, DOI: 10.1016/j.nic.2018.03.002.Peer-Reviewed Original ResearchConceptsSubarachnoid hemorrhageThunderclap headacheCT angiographyConvexity subarachnoid hemorrhageHours of onsetPerimesencephalic subarachnoid hemorrhageNegative CT angiographyPattern of bloodCommon presentationEmergency departmentEarly diagnosisPatientsMR imagingMultiple causesHeadacheAngiographyHemorrhageBloodDiagnosisCT
2016
The Use of High-Risk Criteria in Screening Patients for Blunt Cerebrovascular Injury A Survey
Wu X, Malhotra A, Forman HP, Nunez D, Sanelli P. The Use of High-Risk Criteria in Screening Patients for Blunt Cerebrovascular Injury A Survey. Academic Radiology 2016, 24: 456-461. PMID: 27979639, DOI: 10.1016/j.acra.2016.11.010.Peer-Reviewed Original ResearchMeSH KeywordsAttitude of Health PersonnelCerebral AngiographyCerebrovascular TraumaComputed Tomography AngiographyDatabases, FactualDelayed DiagnosisEmergency Service, HospitalHumansMagnetic Resonance AngiographyMass ScreeningRadiologistsRisk AssessmentRisk FactorsSurveys and QuestionnairesUnited StatesWounds, NonpenetratingConceptsBlunt cerebrovascular injuryRisk factorsEmergency departmentCT angiographyDenver criteriaMR angiographyC1-C3 fracturesUtilization of imagingCerebrovascular injuryBlunt injuryBlunt traumaScreening ratesAngiographic studiesLarge academic institutionVascular injuryScreening patientsPatientsPreferred modalityRoutine useInjurySubsequent strokeAngiographyScreening criteriaPhysiciansRadiologists