2023
Letter to the Editor Re; "Treatment and outcomes of non-aneurysmal perimesencephalic subarachnoid hemorrhage: A 5 year retrospective study in a tertiary care centre"
Malhotra A. Letter to the Editor Re; "Treatment and outcomes of non-aneurysmal perimesencephalic subarachnoid hemorrhage: A 5 year retrospective study in a tertiary care centre". Clinical Neurology And Neurosurgery 2023, 233: 107937. PMID: 37591039, DOI: 10.1016/j.clineuro.2023.107937.Peer-Reviewed Original Research
2020
Posterior Reversible Encephalopathy Syndrome Caused by Induced Hypertension to Treat Cerebral Vasospasm Secondary to Aneurysmal Subarachnoid Hemorrhage
Elsamadicy AA, Koo AB, Reeves BC, Sujijantarat N, David WB, Malhotra A, Gilmore EJ, Matouk CC, Hebert R. Posterior Reversible Encephalopathy Syndrome Caused by Induced Hypertension to Treat Cerebral Vasospasm Secondary to Aneurysmal Subarachnoid Hemorrhage. World Neurosurgery 2020, 143: e309-e323. PMID: 32721559, DOI: 10.1016/j.wneu.2020.07.135.Peer-Reviewed Original ResearchMeSH KeywordsFemaleHumansHypertensionMiddle AgedPosterior Leukoencephalopathy SyndromeSubarachnoid HemorrhageTreatment OutcomeVasospasm, IntracranialConceptsPosterior reversible encephalopathy syndromeSystolic blood pressure goalBlood pressure goalsReversible encephalopathy syndromeAneurysmal subarachnoid hemorrhageSubarachnoid hemorrhageEncephalopathy syndromeCerebral vasospasmClinical statusFluid-attenuated inversion recovery hyperintensityMiddle cerebral artery syndromeAcute-onset headachePossible ischemic eventsClinical examination findingsInversion recovery hyperintensityPatient's clinical statusTransient clinical improvementArtery aneurysm ruptureMiddle cerebral arteryLevel of arousalMagnetic resonance imagingDigital subtraction angiographyInduced hypertensionClinical improvementIschemic events
2019
Meta-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
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 ResearchMeSH KeywordsAneurysm, RupturedHeadache Disorders, PrimaryHumansIntracranial AneurysmSubarachnoid HemorrhageTomography, X-Ray ComputedConceptsSubarachnoid hemorrhageThunderclap headacheCT angiographyConvexity subarachnoid hemorrhageHours of onsetPerimesencephalic subarachnoid hemorrhageNegative CT angiographyPattern of bloodCommon presentationEmergency departmentEarly diagnosisPatientsMR imagingMultiple causesHeadacheAngiographyHemorrhageBloodDiagnosisCTLetter to the Editor regarding “non-aneurysmal subarachnoid hemorrhage: When is a second angiography indicated?”
Malhotra A, Wu X, Seifert K, Tu LH. Letter to the Editor regarding “non-aneurysmal subarachnoid hemorrhage: When is a second angiography indicated?”. The Neuroradiology Journal 2018, 31: 449-449. PMID: 29687746, PMCID: PMC6111428, DOI: 10.1177/1971400918772166.Peer-Reviewed Original Research
2016
DSA 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 ResearchAngiography, Digital SubtractionCerebral AngiographySubarachnoid HemorrhageTomography, X-Ray ComputedLetter 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 LettersShould Patients Be Counseled About Possible Recurrence of Perimesencephalic Subarachnoid Hemorrhage?
Malhotra A, Wu X, Borse R, Matouk CC, Bulsara K. Should Patients Be Counseled About Possible Recurrence of Perimesencephalic Subarachnoid Hemorrhage? World Neurosurgery 2016, 94: 580.e17-580.e22. PMID: 27521726, DOI: 10.1016/j.wneu.2016.07.112.Peer-Reviewed Original ResearchMeSH KeywordsAgedHumansInformed ConsentMaleMesencephalonPhysician's RoleRecurrenceRisk FactorsSubarachnoid HemorrhageConceptsPerimesencephalic subarachnoid hemorrhageAneurysmal subarachnoid hemorrhageSubarachnoid hemorrhageTomography angiographyBetter outcomesBenign natural courseNew neurologic signsComputed tomography angiographyHistory of traumaPossibility of recurrenceDigital subtraction angiographyRecurrent hemorrhageSevere headacheVascular anomaliesNeurologic signsCase reportNatural courseInitial episodeSixth decadeSubarachnoid bleedSudden onsetPossible recurrenceLower riskPatientsPrevious episodesRegarding “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
Utility 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 Research
2014
Use of Follow-Up Imaging in Isolated Perimesencephalic Subarachnoid Hemorrhage
Kalra VB, Wu X, Matouk CC, Malhotra A. Use of Follow-Up Imaging in Isolated Perimesencephalic Subarachnoid Hemorrhage. Stroke 2014, 46: 401-406. PMID: 25523050, DOI: 10.1161/strokeaha.114.007370.Peer-Reviewed Original ResearchMeSH KeywordsDiagnostic ImagingFollow-Up StudiesHumansMesencephalonRetrospective StudiesSubarachnoid HemorrhageConceptsPerimesencephalic subarachnoid hemorrhageInitial digital subtraction angiographyDigital subtraction angiographySubtraction angiographySubarachnoid hemorrhageNegative CTARetrospective institutional analysisFollow-up imagingInitial diagnosisTomographic angiogramInitial CTANoncontrast CTPatientsInstitutional reviewAneurysmsAngiographyImaging studiesExperienced neuroradiologistsIntracranial aneurysmsMultiple followMultiple studiesCTAHemorrhageCareful reviewAdditional useCost-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