2019
Screening for Intracranial Aneurysms in Patients with Thoracic Aortic Aneurysms
Malhotra A, Seifert K, Wu X, Matouk C, Elefteriades JA. Screening for Intracranial Aneurysms in Patients with Thoracic Aortic Aneurysms. Cerebrovascular Diseases 2019, 47: 253-259. PMID: 31412341, DOI: 10.1159/000501194.Peer-Reviewed Original ResearchConceptsPrevalence of IAsThoracic aortic aneurysmIntracranial aneurysmsRetrospective studyAortic aneurysmRisk factorsPrevious retrospective studySignificant risk factorsPotential risk factorsMagnetic resonance angiogramStudent's t-testPatient demographicsUnivariate analysisHigh prevalenceLarge cohortGeneral populationPatientsAneurysmsPrevalenceCategorical variablesΧ2 testHypertensionT-testContinuous variablesIA locationLetter by Malhotra and Wu Regarding Article, “Computed Tomography Angiography Versus Digital Subtraction Angiography for Postclipping Aneurysm Obliteration Detection: A Meta-Analysis”
Malhotra A, Wu X. Letter by Malhotra and Wu Regarding Article, “Computed Tomography Angiography Versus Digital Subtraction Angiography for Postclipping Aneurysm Obliteration Detection: A Meta-Analysis”. Stroke 2019, 50: e158. PMID: 31104622, DOI: 10.1161/strokeaha.119.025082.Peer-Reviewed Original ResearchMeSH KeywordsAneurysmAngiography, Digital SubtractionCerebral AngiographyComputed Tomography AngiographyHumansTomography, X-Ray ComputedMeta-analysis of recent literature on utility of follow-up imaging in isolated perimesencephalic hemorrhage
Geng B, Wu X, Brackett A, Malhotra A. Meta-analysis of recent literature on utility of follow-up imaging in isolated perimesencephalic hemorrhage. Clinical Neurology And Neurosurgery 2019, 180: 111-116. PMID: 30974309, DOI: 10.1016/j.clineuro.2019.03.006.Peer-Reviewed Original ResearchMeSH KeywordsCerebral AngiographyFollow-Up StudiesHumansIntracranial HemorrhagesMesencephalonNeuroimagingSubarachnoid HemorrhageConceptsPerimesencephalic subarachnoid hemorrhageSubarachnoid hemorrhageTomographic angiogramInitial angiographic studyRetrospective institutional analysisUtility of repeatSubarachnoid hemorrhage patientsVascular causesBenign prognosisVascular etiologyAngiographic studiesClinical pictureHemorrhage patientsHemorrhage patternAneurysmal ruptureAdditional imagingHemorrhageUse of repeatPatientsInstitutional reviewAngiogramsDistinct subtypesPerimesencephalic hemorrhageLimited benefitEtiology
2018
Letter to the editor regarding “Utility of CT angiography in screening for traumatic cerebrovascular injury”
Malhotra A, Wu X, Seifert K, Tu LH. Letter to the editor regarding “Utility of CT angiography in screening for traumatic cerebrovascular injury”. Clinical Neurology And Neurosurgery 2018, 176: 138. PMID: 30446415, DOI: 10.1016/j.clineuro.2018.11.003.Peer-Reviewed Original ResearchLetter to the Editor Regarding “Preoperative Digital Subtraction Angiography in Incidental Unruptured Intracranial Aneurysms”
Malhotra A, Wu X, Tu L, Seifert K. Letter to the Editor Regarding “Preoperative Digital Subtraction Angiography in Incidental Unruptured Intracranial Aneurysms”. Clinical Neuroradiology 2018, 28: 437-437. PMID: 29951809, DOI: 10.1007/s00062-018-0700-6.Peer-Reviewed Original Research
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 criteriaPhysiciansRadiologistsDSA of Perimesencephalic Hemorrhage.
Malhotra A, Wu X, Durand D, Kalra VB, Forman HP. DSA of Perimesencephalic Hemorrhage. Radiology 2016, 281: 981-982. PMID: 27870633, DOI: 10.1148/radiol.2016161414.Peer-Reviewed Original ResearchCerebral Microhemorrhages and Meningeal Siderosis in Infective Endocarditis
Malhotra A, Schindler J, Mac Grory B, Chu SY, Youn TS, Matouk C, Greer DM, Schrag M. Cerebral Microhemorrhages and Meningeal Siderosis in Infective Endocarditis. Cerebrovascular Diseases 2016, 43: 59-67. PMID: 27871078, DOI: 10.1159/000452718.Peer-Reviewed Original ResearchConceptsCerebral amyloid angiopathyInfective endocarditisSusceptibility-weighted imaging (SWI) sequencesSmall subarachnoid hemorrhageGradient-echo T2Sensitive diagnostic techniquesSWI MRIMycotic aneurysmSevere hypertensionGroups of subjectsAmyloid angiopathyCerebral insultCerebral microhemorrhagesNeurological involvementWorse prognosisSubarachnoid hemorrhageSWI findingsAcademic hospitalSignificant predilectionMicrohemorrhagesPatientsGRE T2HypertensionSiderosisEndocarditisLetter to the Editor regarding “Quadrigeminal Perimesencephalic Subarachnoid Hemorrhage”
Wu X, Malhotra A. Letter to the Editor regarding “Quadrigeminal Perimesencephalic Subarachnoid Hemorrhage”. Clinical Neurology And Neurosurgery 2016, 153: 109. PMID: 27887761, DOI: 10.1016/j.clineuro.2016.11.008.Peer-Reviewed Original ResearchConcerning “Nonaneurysmal Perimesencephalic Hemorrhage Is Associated with Deep Cerebral Venous Drainage Anomalies: A Systematic Literature Review and Meta-Analysis”
Wu X, Liu R, Malhotra A. Concerning “Nonaneurysmal Perimesencephalic Hemorrhage Is Associated with Deep Cerebral Venous Drainage Anomalies: A Systematic Literature Review and Meta-Analysis”. American Journal Of Neuroradiology 2016, 38: e14-e14. PMID: 27737860, PMCID: PMC7963821, DOI: 10.3174/ajnr.a4984.Commentaries, Editorials and LettersRegarding “Computer-Assisted Detection of Cerebral Aneurysms in MR Angiography in a Routine Image-Reading Environment: Effects on Diagnosis by Radiologists”
Wu X, Kalra VB, Durand D, Liu RC, Malhotra A. Regarding “Computer-Assisted Detection of Cerebral Aneurysms in MR Angiography in a Routine Image-Reading Environment: Effects on Diagnosis by Radiologists”. American Journal Of Neuroradiology 2016, 37: e80-e80. PMID: 27561835, PMCID: PMC7963866, DOI: 10.3174/ajnr.a4926.Peer-Reviewed Original ResearchRegarding “Cerebral Angiography for Evaluation of Patients with CT Angiogram-Negative Subarachnoid Hemorrhage: An 11-Year Experience”
Wu X, Kalra VB, Forman HP, Matouk CC, Mongelluzzo G, Liu R, Malhotra A. Regarding “Cerebral Angiography for Evaluation of Patients with CT Angiogram-Negative Subarachnoid Hemorrhage: An 11-Year Experience”. American Journal Of Neuroradiology 2016, 37: e52-e53. PMID: 27056430, PMCID: PMC7963535, DOI: 10.3174/ajnr.a4794.Peer-Reviewed Original ResearchCost‐effectiveness Analysis of Follow‐up Strategies for Thunderclap Headache Patients With Negative Noncontrast CT
Malhotra A, Wu X, Kalra VB, Schindler J, Forman HP. Cost‐effectiveness Analysis of Follow‐up Strategies for Thunderclap Headache Patients With Negative Noncontrast CT. Academic Emergency Medicine 2016, 23: 243-250. PMID: 26728524, DOI: 10.1111/acem.12891.Peer-Reviewed Original ResearchCost-effectiveness analysis of CTA and LP for evaluation of suspected SAH after negative non-contrast CT
Wu X, Kalra VB, Forman HP, Malhotra A. Cost-effectiveness analysis of CTA and LP for evaluation of suspected SAH after negative non-contrast CT. Clinical Neurology And Neurosurgery 2016, 142: 104-111. PMID: 26827168, DOI: 10.1016/j.clineuro.2015.12.021.Peer-Reviewed Original Research
2015
Evaluation for Blunt Cerebrovascular Injury: Review of the Literature and a Cost-Effectiveness Analysis
Malhotra A, Wu X, Kalra VB, Schindler J, Matouk CC, Forman HP. Evaluation for Blunt Cerebrovascular Injury: Review of the Literature and a Cost-Effectiveness Analysis. American Journal Of Neuroradiology 2015, 37: 330-335. PMID: 26450540, PMCID: PMC7959958, DOI: 10.3174/ajnr.a4515.Peer-Reviewed Original ResearchConceptsCost-effective imaging strategyNet monetary benefitHealth care payer perspectiveIncremental cost-effectiveness ratioCare payer perspectiveCost-effectiveness analysisCost-effective strategyCost-effectiveness ratioEconomic evaluationMonetary benefitsDominant strategyMain indicatorsPayer perspectiveSelective DSAComparable utilityUtility perspectiveDecision tree analysisSelective anticoagulationSensitivity analysisCostImmense controversyHigh costCTA sensitivityParameter valuesHorizonUtility analysis of management strategies for suspected subarachnoid haemorrhage in patients with thunderclap headache with negative CT result
Wu X, Kalra VB, Durand D, Malhotra A. Utility analysis of management strategies for suspected subarachnoid haemorrhage in patients with thunderclap headache with negative CT result. Emergency Medicine Journal 2015, 33: 30. PMID: 26045444, DOI: 10.1136/emermed-2015-204634.Peer-Reviewed Original ResearchScreening for Pediatric Blunt Cerebrovascular Injury: Review of Literature and a Cost-Effectiveness Analysis
Malhotra A, Wu X, Kalra VB, Goodman TR, Schindler J, Forman HP. Screening for Pediatric Blunt Cerebrovascular Injury: Review of Literature and a Cost-Effectiveness Analysis. Journal Of Pediatric Surgery 2015, 50: 1751-1757. PMID: 26546389, DOI: 10.1016/j.jpedsurg.2015.05.005.Peer-Reviewed Original ResearchConceptsBlunt cerebrovascular injuryPediatric blunt cerebrovascular injurySelective computed tomography angiographyComputed tomography angiographyOptimal imaging strategyCost-effectiveness analysisAnticoagulation therapyCerebrovascular injuryManagement of BCVIAppropriate anticoagulation therapyHigh-risk patientsHigh-risk factorsImaging strategiesPossible screening strategiesReview of literatureSelective anticoagulationPediatric patientsAnticoagulation complicationsTomography angiographySystematic reviewPatientsSocietal perspectiveCost-effective strategyData extractionScreening strategy
2014
Cost-Effectiveness of Angiographic Imaging in Isolated Perimesencephalic Subarachnoid Hemorrhage
Kalra VB, Wu X, Forman HP, Malhotra A. Cost-Effectiveness of Angiographic Imaging in Isolated Perimesencephalic Subarachnoid Hemorrhage. Stroke 2014, 45: 3576-3582. PMID: 25336513, DOI: 10.1161/strokeaha.114.006679.Peer-Reviewed Original ResearchMeSH KeywordsAngiography, Digital SubtractionCerebral AngiographyCost-Benefit AnalysisDecision TreesHumansMonte Carlo MethodSubarachnoid HemorrhageConceptsOptimal strategyNet monetary benefitCost-effectiveness analysisComprehensive cost-effectiveness analysisCost-effective strategyBase case scenarioDistributional variablesMonetary benefitsLife yearsWillingnessBase caseSensitivity analysisMonte Carlo simulationsInitial CTAPayCarlo simulationsPart of followCostStrategiesVariablesBenefitsDecision treeCase scenarioPurpose
2013
Vessel Wall Magnetic Resonance Imaging Identifies the Site of Rupture in Patients With Multiple Intracranial AneurysmsProof of Principle
Matouk CC, Mandell DM, Günel M, Bulsara KR, Malhotra A, Hebert R, Johnson MH, Mikulis DJ, Minja FJ. Vessel Wall Magnetic Resonance Imaging Identifies the Site of Rupture in Patients With Multiple Intracranial AneurysmsProof of Principle. Neurosurgery 2013, 72: 492-496. PMID: 23151622, DOI: 10.1227/neu.0b013e31827d1012.Peer-Reviewed Original ResearchConceptsAneurysmal subarachnoid hemorrhageSite of ruptureSubarachnoid hemorrhageMultiple intracranial aneurysmsMR-VWIHigh-resolution magnetic resonance vessel wall imagingIntracranial aneurysmsSteno-occlusive cerebrovascular diseaseVessel wall magnetic resonance imagingMR imaging findingsVessel wall enhancementMagnetic resonance vessel wall imagingMagnetic resonance imagingVessel wall imagingDefinitive treatmentCerebrovascular diseaseImaging findingsMedical recordsRuptured aneurysmsUnruptured aneurysmsPatientsAneurysmsWall enhancementResonance imagingRupture
2008
Giant intracranial aneurysm
Malhotra A, Westesson PL. Giant intracranial aneurysm. Pediatric Radiology 2008, 38: 915-915. PMID: 18465121, DOI: 10.1007/s00247-008-0861-6.Peer-Reviewed Original Research