2024
Evaluating the concordance between International Classification of Diseases, Tenth Revision Code and stroke severity as measured by the National Institutes of Health Stroke Scale
Taha M, Habib M, Lomachinsky V, Hadar P, Newhouse J, Schwamm L, Blacker D, Moura L. Evaluating the concordance between International Classification of Diseases, Tenth Revision Code and stroke severity as measured by the National Institutes of Health Stroke Scale. BMJ Neurology Open 2024, 6: e000831. PMID: 39363950, PMCID: PMC11448239, DOI: 10.1136/bmjno-2024-000831.Peer-Reviewed Original ResearchPaul Coverdell National Acute Stroke ProgramNational Institutes of Health Stroke ScaleInternational Classification of DiseasesClassification of DiseasesHealth Stroke ScaleInternational ClassificationICD-10Acute ischaemic strokeStroke severityICD-10 diagnosis codesStroke ScaleNIHSS scoreMeasures of stroke severityMedicare claims dataIntraclass correlation coefficientNational Institutes of Health Stroke Scale scoreNational InstituteMedicaid Services guidelinesService guidelinesStroke programClinical registryDiagnosis codesClaims dataSampled patientsExpert clinical evaluationEvaluating the Concordance Between International Classification of Diseases, Tenth Revision Code, and Stroke Severity as Measured by the National Institutes of Health Stroke Scale (P1-5.013)
Taha M, Habib M, Torres V, Hadar P, Newhouse J, Schwamm L, Blacker D, Moura L. Evaluating the Concordance Between International Classification of Diseases, Tenth Revision Code, and Stroke Severity as Measured by the National Institutes of Health Stroke Scale (P1-5.013). Neurology 2024, 102 DOI: 10.1212/wnl.0000000000206137.Peer-Reviewed Original Research
2020
Strategy for reliable identification of ischaemic stroke, thrombolytics and thrombectomy in large administrative databases
Zachrison K, Li S, Reeves M, Adeoye O, Camargo C, Schwamm L, Hsia R. Strategy for reliable identification of ischaemic stroke, thrombolytics and thrombectomy in large administrative databases. Stroke And Vascular Neurology 2020, 6: 194-200. PMID: 33177162, PMCID: PMC8258073, DOI: 10.1136/svn-2020-000533.Peer-Reviewed Original ResearchConceptsICD-9/ICDMS-DRG codesCurrent Procedural TerminologyEndovascular thrombectomyICD-10 codesLarge administrative databaseIschemic strokeICD codesDischarge codesEmergency departmentAdministrative databasesICD-9CPT codesThrombolytic-treated patientsMedicare severity diagnosisAdministrative dataInpatient hospitalisationThrombolytic treatmentED patientsInterhospital transferDiagnosis codesStroke researchInternational ClassificationPatientsProcedural Terminology
2018
Incidence of Atrial Fibrillation in Patients With Recent Ischemic Stroke Versus Matched Controls
Witsch J, Merkler AE, Chen ML, Navi BB, Sheth KN, Freedman B, Schwamm LH, Kamel H. Incidence of Atrial Fibrillation in Patients With Recent Ischemic Stroke Versus Matched Controls. Stroke 2018, 49: 2529-2531. PMID: 30355110, PMCID: PMC6205716, DOI: 10.1161/strokeaha.118.022826.Peer-Reviewed Original ResearchConceptsAtrial fibrillation/flutterIschemic strokeHemorrhagic strokeAF incidenceAF diagnosisRisk factorsAF-free patientsNew AF diagnosisVascular risk factorsNonstroke diagnosisAutonomic dysfunctionCharlson comorbidityStroke cohortAtrial fibrillationCox regressionNinth RevisionOutpatient claimsIncidental findingClinical ModificationHigh riskInternational ClassificationMedicare beneficiariesSurvival statisticsMatched ControlsPatients