2023
Development and validation of a model predicting mild stroke severity on admission using electronic health record data
Waddell K, Myers L, Perkins A, Sico J, Sexson A, Burrone L, Taylor S, Koo B, Daggy J, Bravata D. Development and validation of a model predicting mild stroke severity on admission using electronic health record data. Journal Of Stroke And Cerebrovascular Diseases 2023, 32: 107255. PMID: 37473533, DOI: 10.1016/j.jstrokecerebrovasdis.2023.107255.Peer-Reviewed Original ResearchConceptsInitial stroke severityStroke severityElectronic health record dataHealth record dataSevere strokeIschemic strokeStroke careSample patientsMortality risk stratificationRecord dataVeterans Affairs hospitalMild stroke severityMultiple logistic regressionObservational cohortStroke outcomeIndependent predictorsRisk stratificationEHR data elementsPrimary analysisLogistic regressionStrokeValidation sampleSeverityPotent modifierEHR data
2018
Association between admission haematocrit and mortality among men with acute ischaemic stroke
Sico JJ, Myers LJ, Fenton BJ, Concato J, Williams LS, Bravata DM. Association between admission haematocrit and mortality among men with acute ischaemic stroke. Stroke And Vascular Neurology 2018, 3: 160. PMID: 30294472, PMCID: PMC6169611, DOI: 10.1136/svn-2018-000149.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeIschemic strokeAdmission haematocritAdjusted ORsChronic Health Evaluation IIIVeterans Health Administration facilitiesFirst year post strokeHours of admissionRisk of deathHaematocrit valuesMultivariate logistic regressionYear post strokeAcute PhysiologyHospital mortalityMedical comorbiditiesPoststroke mortalityStroke severityBlood transfusionSevere anemiaPost strokeHeart diseaseMedical recordsPatient outcomesCardiovascular conditionsPatients
2017
Development, Validation, and Assessment of an Ischemic Stroke or Transient Ischemic Attack-Specific Prediction Tool for Obstructive Sleep Apnea
Sico JJ, Yaggi HK, Ofner S, Concato J, Austin C, Ferguson J, Qin L, Tobias L, Taylor S, Fragoso C, McLain V, Williams LS, Bravata DM. Development, Validation, and Assessment of an Ischemic Stroke or Transient Ischemic Attack-Specific Prediction Tool for Obstructive Sleep Apnea. Journal Of Stroke And Cerebrovascular Diseases 2017, 26: 1745-1754. PMID: 28416405, PMCID: PMC6006998, DOI: 10.1016/j.jstrokecerebrovasdis.2017.03.042.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overArea Under CurveBrain IschemiaDecision Support TechniquesFemaleHumansIschemic Attack, TransientMaleMiddle AgedPolysomnographyPredictive Value of TestsPrevalencePrognosisReproducibility of ResultsRisk AssessmentRisk FactorsROC CurveSleepSleep Apnea, ObstructiveStrokeSurveys and QuestionnairesTime FactorsUnited StatesConceptsObstructive sleep apneaTransient ischemic attackHigh negative predictive valueEpworth Sleepiness ScaleNegative predictive valueIschemic strokeSleep apneaPresence of OSASleep InventoryPredictive valueSleep Apnea Clinical ScoreValidation study populationHigh blood pressureBody mass indexIschemic attackObserved apneaBerlin questionnaireStroke severityBlood pressureOvernight polysomnographyMass indexRandomized trialsClinical scoresSleep QuestionnaireMedical history
2016
Using Radiological Data to Estimate Ischemic Stroke Severity
Sico JJ, Phipps MS, Concato J, Brandt C, Wells CK, Lo AC, Nadeau SE, Williams LS, Gorman M, Boice JL, Bravata DM. Using Radiological Data to Estimate Ischemic Stroke Severity. Journal Of Stroke And Cerebrovascular Diseases 2016, 25: 792-798. PMID: 26794264, DOI: 10.1016/j.jstrokecerebrovasdis.2015.12.002.Peer-Reviewed Original ResearchConceptsStroke severityHospital mortalityStroke patientsC-statisticAcute ischemic stroke patientsStroke care qualityIschemic stroke patientsChart review dataIschemic stroke severityElectronic health recordsAdmission headSevere strokePoststroke mortalityAbnormal findingsValid measurePatient levelRadiographic scoresRadiological dataRadiographic dataRadiographic measuresCare qualityRisk adjustmentSeverityHealth recordsMortality
2011
Anemia is Associated with Poor Outcomes in Patients with Less Severe Ischemic Stroke
Sico JJ, Concato J, Wells CK, Lo AC, Nadeau SE, Williams LS, Peixoto AJ, Gorman M, Boice JL, Bravata DM. Anemia is Associated with Poor Outcomes in Patients with Less Severe Ischemic Stroke. Journal Of Stroke And Cerebrovascular Diseases 2011, 22: 271-278. PMID: 22100828, DOI: 10.1016/j.jstrokecerebrovasdis.2011.09.003.Peer-Reviewed Original ResearchMeSH KeywordsAdultAgedAged, 80 and overAnemiaBrain IschemiaChi-Square DistributionDisability EvaluationFemaleHospice CareHospital MortalityHumansLogistic ModelsMaleMiddle AgedMultivariate AnalysisOdds RatioPatient AdmissionPatient DischargePredictive Value of TestsPrognosisRetrospective StudiesRisk AssessmentRisk FactorsSeverity of Illness IndexStrokeUnited StatesYoung AdultConceptsAcute ischemic strokeSevere ischemic strokeSevere strokeHospital mortalityIschemic strokeConsecutive ischemic stroke patientsHealth Stroke Scale scoreAdmission National InstitutesRole of anemiaStroke Scale scoreChronic kidney diseaseIschemic stroke patientsCongestive heart failureAcute myocardial infarctionAdmission anemiaCombined endpointRetrospective cohortStroke severitySymptom onsetHeart failureHospital admissionStroke patientsPoor outcomeKidney diseaseMyocardial infarction