2013
Clinical Predictors of EMG-confirmed Cervical and Lumbosacral Radiculopathy
Hassan A, Hameed B, Islam M, Khealani B, Khan M, Shafqat S. Clinical Predictors of EMG-confirmed Cervical and Lumbosacral Radiculopathy. Canadian Journal Of Neurological Sciences / Journal Canadien Des Sciences Neurologiques 2013, 40: 219-224. PMID: 23419571, DOI: 10.1017/s0317167100013767.Peer-Reviewed Original ResearchConceptsLumbosacral root compressionRoot compressionDermatomal painClinical featuresPatient selectionReflex lossClinical neurophysiology laboratoryLumbosacral radiculopathyAdult patientsClinical predictorsEMG testingEMG examinationEMG evidencePredictive valueNeurophysiology laboratoryDiverse symptomsDiseasePhysical discomfortElectromyographyPainPatientsAccurate predictorStandard protocolCombined presencePredictors
2012
Derivation of Transcranial Doppler Criteria for Angiographically Proven Middle Cerebral Artery Vasospasm after Aneurysmal Subarachnoid Hemorrhage
Sebastian J, Derksen C, Khan K, Ibrahim M, Hameed B, Siddiqui M, Chow M, Findlay JM, Shuaib A, Saqqur M. Derivation of Transcranial Doppler Criteria for Angiographically Proven Middle Cerebral Artery Vasospasm after Aneurysmal Subarachnoid Hemorrhage. Journal Of Neuroimaging 2012, 23: 489-494. PMID: 23163812, DOI: 10.1111/j.1552-6569.2012.00771.x.Peer-Reviewed Original ResearchMeSH KeywordsAdultAlbertaCausalityCerebral AngiographyComorbidityFeasibility StudiesFemaleHumansInfarction, Middle Cerebral ArteryMaleMiddle AgedPrognosisReproducibility of ResultsRisk FactorsSensitivity and SpecificitySubarachnoid HemorrhageUltrasonography, Doppler, TranscranialVasospasm, IntracranialConceptsAneurysmal subarachnoid hemorrhageMiddle cerebral artery vasospasmCerebral artery vasospasmCerebral angiographyTranscranial DopplerArtery vasospasmSubarachnoid hemorrhageMCA mean flow velocityTCD mean flow velocityStepwise logistic regression analysisLogistic regression analysisTranscranial Doppler criteriaASAH populationSevere vasospasmSymptom onsetLuminal narrowingMean ageProspective dataVasospasmMean flow velocityDoppler criteriaDay 2Day 7Study aimPatients
2011
Acute Perfusion and Diffusion Abnormalities Predict Early New MRI Lesions 1 Week After Minor Stroke and Transient Ischemic Attack
Asdaghi N, Hameed B, Saini M, Jeerakathil T, Emery D, Butcher K. Acute Perfusion and Diffusion Abnormalities Predict Early New MRI Lesions 1 Week After Minor Stroke and Transient Ischemic Attack. Stroke 2011, 42: 2191-2195. PMID: 21737809, DOI: 10.1161/strokeaha.110.611376.Peer-Reviewed Original ResearchConceptsTransient ischemic attackBaseline DWI lesion volumeDWI lesion volumeIschemic attackDWI lesionsMinor strokeLesion volumeDay 7New lesionsPerfusion deficitsDiffusion-weighted imaging (DWI) lesion volumeDay 30Perfusion-weighted imaging lesionFluid-attenuated inversion recovery lesionsAcute DWI lesionsBaseline DWI lesionImaging Lesion VolumeNew DWI lesionsNew ischemic lesionsNew lesion developmentLesions 1 weekPerfusion-weighted imagingAcute perfusionBaseline DWINew infarctsOxfordshire Community Stroke Project Classification Poorly Differentiates Small Cortical and Subcortical Infarcts
Asdaghi N, Jeerakathil T, Hameed B, Saini M, McCombe J, Shuaib A, Emery D, Butcher K. Oxfordshire Community Stroke Project Classification Poorly Differentiates Small Cortical and Subcortical Infarcts. Stroke 2011, 42: 2143-2148. PMID: 21700947, DOI: 10.1161/strokeaha.111.613752.Peer-Reviewed Original ResearchConceptsPartial anterior circulation infarctTotal anterior circulation infarctOxfordshire Community Stroke ProjectPosterior circulation infarctsAnterior circulation infarctsOCSP classificationPositive predictive valueStroke/transient ischemic attack patientsOxfordshire Community Stroke Project classificationProspective magnetic resonance imaging studyDiffusion-weighted MRI lesionsTransient ischemic attack patientsLarger infarct volumesPercent of patientsHours of onsetMagnetic resonance imaging studyResonance imaging studyDiffusion-weighted MRICortical infarctsInfarct volumeMRI lesionsStroke etiologyStroke severityLacunar infarctsStroke Project
2010
Low Cerebral Blood Volume Is Predictive of Diffusion Restriction Only in Hyperacute Stroke
Knash M, Tsang A, Hameed B, Saini M, Jeerakathil T, Beaulieu C, Emery D, Butcher K. Low Cerebral Blood Volume Is Predictive of Diffusion Restriction Only in Hyperacute Stroke. Stroke 2010, 41: 2795-2800. PMID: 21051672, DOI: 10.1161/strokeaha.110.590554.Peer-Reviewed Original ResearchConceptsCerebral blood volumeRelative cerebral blood volumeLow cerebral blood volumeDWI lesion volumeIschemic tissue volumeDiffusion-weighted MRIDWI lesionsSymptom onsetApparent diffusion coefficientDiffusion abnormalitiesLesion volumeContralateral regionsBlood volumeDiffusion restrictionNormal tissuesCerebral blood flowRelative apparent diffusion coefficientTissue volumePerfusion-weighted imagingAcute strokeIschemic strokeMinor strokeSymptom durationEarly reperfusionMild strokeRisk of Multiple Sclerosis after Idiopathic Optic Neuritis in a Pakistani Population
Kazim S, Islam M, Khan M, Hameed B, Shafqat S. Risk of Multiple Sclerosis after Idiopathic Optic Neuritis in a Pakistani Population. Canadian Journal Of Neurological Sciences / Journal Canadien Des Sciences Neurologiques 2010, 37: 258-263. PMID: 20437939, DOI: 10.1017/s0317167100010027.Peer-Reviewed Original ResearchConceptsBaseline brain magnetic resonance imagingBrain magnetic resonance imagingMagnetic resonance imagingIdiopathic optic neuritisTen-year riskOptic neuritisMultiple sclerosisOligoclonal bandsCerebrospinal fluid oligoclonal bandsDiagnosis of MSKaplan-Meier survival analysisWestern populationsFive-year riskCSF oligoclonal bandsRisk of progressionSingle academic centerStructured telephone interviewDemyelinating lesionsMS riskSouth Asian populationFemale genderLower riskAcademic centersChart notesSurvival analysis
2008
Diagnostic yield of transthoracic echocardiography for stroke patients in a developing country.
Khan M, Khealani B, Hameed B, Kamal A, Wasay M, Syed N. Diagnostic yield of transthoracic echocardiography for stroke patients in a developing country. Journal Of The Pakistan Medical Association 2008, 58: 375-7. PMID: 18988410.Peer-Reviewed Original ResearchConceptsTransthoracic echocardiographyStroke workupTOAST criteriaIschemic strokeCarotid Doppler sonographyValid diagnostic modalityBlood urea nitrogenAbnormal echocardiogramAcute strokeCardioembolic strokeSerum creatinineConsultant neurologistsStroke patientsEchocardiographic dataSerum glucoseLipid profileDoppler sonographyDiagnostic modalitiesDiagnostic yieldSpecific indicationsEchocardiographyPatientsUrea nitrogenStrokeWorkupStroke in Pakistan.
Khealani B, Hameed B, Mapari U. Stroke in Pakistan. Journal Of The Pakistan Medical Association 2008, 58: 400-3. PMID: 18988415.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsRisk factorsStroke risk factorsDiabetic patientsStroke incidenceCase seriesStroke epidemiologyMortality worldPoor compliancePhysician's partCommon causePatient's partStrokePatientsPhysical disabilityAbsolute numberHypertensionSignificant differencesIncidenceAvailable literatureDisabilityCauseGreat majorityEpidemiologyFactorsPrevalence
2006
Prognostic indicators in cerebral venous sinus thrombosis.
Hameed B, Syed N. Prognostic indicators in cerebral venous sinus thrombosis. Journal Of The Pakistan Medical Association 2006, 56: 551-4. PMID: 17183990.Peer-Reviewed Reviews, Practice Guidelines, Standards, and Consensus StatementsConceptsCerebral venous sinus thrombosisVenous sinus thrombosisSinus thrombosisRisk of recurrencePyramidal deficitsOverall prognosisFocal deficitsIntracranial hypertensionTranstentorial herniationVisual lossBetter prognosisCerebral hemorrhageWorse prognosisPrognostic indicatorMental statusFirst episodeCognitive impairmentPatientsFunctional independenceAge groupsPrognosisMajor causeLong termThrombosisStrongest predictor
2005
Prognostic indicators in patients with primary intraventricular haemorrhage.
Hameed B, Khealani B, Mozzafar T, Wasay M. Prognostic indicators in patients with primary intraventricular haemorrhage. Journal Of The Pakistan Medical Association 2005, 55: 315-7. PMID: 16164155.Peer-Reviewed Original ResearchConceptsPrimary intraventricular hemorrhageIntraventricular hemorrhageIntracerebral hemorrhagePoor outcomeDiabetes mellitusRisk factorsNon-traumatic intracerebral hemorrhageInitial hospital stayOutcomes of patientsPredictors of deathCohort of patientsRare clinical entityTraumatic intracerebral hemorrhageEleven patientsHospital stayCommon complicationMedian ageRadiological featuresClinical entityEarly mortalityPrognostic indicatorVascular malformationsPredisposing factorsRadiological dataPatientsPredictors of ischemic versus hemorrhagic strokes in hypertensive patients.
Khealani B, Syed N, Maken S, Mapari U, Hameed B, Ali S, Qureshi R, Akhter N, Hassan A, Sonawalla A, Baig S, Wasay M. Predictors of ischemic versus hemorrhagic strokes in hypertensive patients. Journal Of College Of Physicians And Surgeons Pakistan 2005, 15: 22-5. PMID: 15670519.Peer-Reviewed Educational MaterialsConceptsAga Khan University HospitalIschemic heart diseaseHypertensive patientsIschemic strokeDiabetes mellitusHeart diseasePre-existing medical problemsOutcomes data baseTime of admissionDURATION OF STUDYCohort studyHemorrhagic strokeIndependent predictorsParenchymal hemorrhageRadiological investigationsUniversity HospitalStroke typePatientsMedical problemsStrokeHypertensionMellitusDiseaseMonthsPredictors