2024
Mapping the Ecological Terrain of Stroke Prehospital Delay: A Nationwide Registry Study
Dhand A, Reeves M, Mu Y, Rosner B, Rothfeld-Wehrwein Z, Nieves A, Dhongade V, Jarman M, Bergmark R, Semco R, Ader J, Marshall B, Goedel W, Fonarow G, Smith E, Saver J, Schwamm L, Sheth K. Mapping the Ecological Terrain of Stroke Prehospital Delay: A Nationwide Registry Study. Stroke 2024, 55: 1507-1516. PMID: 38787926, PMCID: PMC11299104, DOI: 10.1161/strokeaha.123.045521.Peer-Reviewed Original ResearchConceptsSocial Vulnerability IndexPrehospital delayHospital arrivalZIP Code Tabulation AreasEmergency medical servicesCommunity-level social vulnerabilityGuidelines-Stroke registryCommunity socioeconomic statusCommunity-level factorsPatient-level factorsNationwide registry studyAmerican Heart AssociationSocial vulnerabilityCox proportional hazards modelsSocially vulnerable areasAssociated with delaySocial determinantsProportional hazards modelAcute stroke treatmentGeospatial mappingSocioeconomic statusMedical servicesIncreased social vulnerabilityPrimary exposureQuartile 3
2023
SMS-text messaging for collecting outcome measures after acute stroke
DiCarlo J, Erler K, Petrilli M, Emerson K, Gochyyev P, Schwamm L, Lin D. SMS-text messaging for collecting outcome measures after acute stroke. Frontiers In Digital Health 2023, 5: 1043806. PMID: 36910572, PMCID: PMC9996089, DOI: 10.3389/fdgth.2023.1043806.Peer-Reviewed Original ResearchModified Rankin ScaleAcute strokeOutcomes Measurement Information System (PROMIS) Global-10Acute stroke treatmentText messaging programsNIH Stroke ScaleOutcome data collectionHospitalization dischargeSMS text messagingHospital stayStroke ScaleMRS scoreRankin ScaleStroke treatmentFunctional outcomePROM scoresOutcome measuresWeighted Cohen's kappaPatientsSignificant associationStrokeTraditional followSMS textOutcomesParticipant satisfaction
2020
Prehospital Stroke Care and Regionalized Stroke Systems
Zachrison K, Schwamm L. Prehospital Stroke Care and Regionalized Stroke Systems. 2020, 35-58. DOI: 10.1017/9781316286234.004.Peer-Reviewed Original ResearchPrehospital stroke careStroke careStroke systemsAcute stroke treatmentPrevention of strokeEndovascular reperfusion therapyCause of disabilityMagnetic brain stimulationCause of deathReperfusion therapyStroke preventionStroke treatmentSurgical treatmentStroke patientsStroke recoveryBrain stimulationReview GroupAppropriate interventionsOptimal evidenceTherapeutic topicsStrokeCliniciansTreatmentCarePrevention
2012
Economic Impact of Using Additional Diagnostic Tests to Better Select Patients With Stroke for Intravenous Thrombolysis in the United Kingdom
Earnshaw S, McDade C, Chapman A, Jackson D, Schwamm L. Economic Impact of Using Additional Diagnostic Tests to Better Select Patients With Stroke for Intravenous Thrombolysis in the United Kingdom. Clinical Therapeutics 2012, 34: 1544-1558. PMID: 22695225, DOI: 10.1016/j.clinthera.2012.05.004.Peer-Reviewed Original ResearchConceptsMagnetic resonance imagingMRI selectionUsual careDiagnostic testsFavorable outcomeIncremental cost-effectiveness ratioAcute stroke treatmentPreferred diagnostic testNumber of patientsAdditional diagnostic testsCost-effectiveness ratioDecision analytic modelCTP selectionIntravenous thrombolysisStroke onsetStroke treatmentPatient selectionUK patientsPenumbral patternPatient outcomesPerfusion CTPatient historyThrombolysisPatientsPerfusion imaging
2010
Clinical Management of Acute Stroke
Rost N, Koroshetz W, González R, Schwamm L. Clinical Management of Acute Stroke. 2010, 211-220. DOI: 10.1007/978-3-642-12751-9_10.Peer-Reviewed Original ResearchAcute strokeStroke patientsPermanent brain injurySerious permanent disabilityAcute stroke managementAcute stroke treatmentMin of presentationLocal clinical pathwayNeurologic dysfunctionStroke treatmentBlood testsStroke managementConsensus guidelinesPhysical examinationClinical managementBrain injuryPermanent disabilityClinical pathwayTreatment decisionsMedical attentionCT interpretationStrokeFirst hourPatientsScan completion
2009
A Review of the Evidence for the Use of Telemedicine Within Stroke Systems of Care
Schwamm L, Holloway R, Amarenco P, Audebert H, Bakas T, Chumbler N, Handschu R, Jauch E, Knight W, Levine S, Mayberg M, Meyer B, Meyers P, Skalabrin E, Wechsler L. A Review of the Evidence for the Use of Telemedicine Within Stroke Systems of Care. Stroke 2009, 40: 2616-2634. PMID: 19423852, DOI: 10.1161/strokeaha.109.192360.Peer-Reviewed Original ResearchConceptsUse of telemedicineStroke systemsStroke treatmentAmerican Heart Association/American CollegeStroke care deliveryAcute stroke treatmentEvidence-based reviewEvidence-based recommendationsEmergency medical servicesSecondary preventionNeurological assessmentPrimary preventionEmergency departmentCardiology FoundationConsensus recommendationsAmerican CollegeClass of evidenceCare deliveryAvailable evidenceCare frameworkMedical servicesPreventionTelemedicineTreatmentLevel of certaintyEndovascular Approaches to Acute Stroke, Part 1: Drugs, Devices, and Data
Nogueira R, Schwamm L, Hirsch J. Endovascular Approaches to Acute Stroke, Part 1: Drugs, Devices, and Data. American Journal Of Neuroradiology 2009, 30: 649-661. PMID: 19279271, PMCID: PMC7051752, DOI: 10.3174/ajnr.a1486.Peer-Reviewed Original ResearchConceptsRecombinant tissue plasminogen activatorIntravenous recombinant tissue plasminogen activatorLonger treatment windowsAcute stroke treatmentHigher recanalization ratesTissue plasminogen activatorPublic health concernMechanical revascularizationAcute strokeReperfusion techniquesEndovascular therapyStroke treatmentEndovascular approachRecanalization ratePharmacologic strategiesTreatment windowUS FoodDrug AdministrationWire disruptionTheoretic advantagesPreclinical trialsHealth concernPlasminogen activatorTherapyStroke
2008
Organizing regional stroke systems of care
Park S, Schwamm L. Organizing regional stroke systems of care. Current Opinion In Neurology 2008, 21: 43-55. PMID: 18180651, DOI: 10.1097/wco.0b013e3282f4304d.Peer-Reviewed Original ResearchConceptsStroke treatmentStroke systemsHospital-based stroke careMajor public health problemRegional stroke systemAcute stroke treatmentBetter patient outcomesPublic health problemCare delivery modelsContinuous quality improvement activitiesAcute stroke expertiseAir medical transportEmergency medical servicesHealth policy changesQuality improvement activitiesStroke survivalSecondary preventionStroke unitStroke careThrombolytic therapyPrimary preventionStroke expertisePatient outcomesStroke educationHealth problems
2002
CT Angiography With Whole Brain Perfused Blood Volume Imaging
Ezzeddine M, Lev M, McDonald C, Rordorf G, Oliveira-Filho J, Aksoy F, Farkas J, Segal A, Schwamm L, Gonzalez R, Koroshetz W. CT Angiography With Whole Brain Perfused Blood Volume Imaging. Stroke 2002, 33: 959-966. PMID: 11935044, DOI: 10.1161/hs0402.105388.Peer-Reviewed Original ResearchConceptsOxfordshire Community Stroke Project classificationCTA/CTPNoncontrast CTCTP imagingInfarct localizationRapid CT scanningAcute stroke treatmentAcute stroke patientsInitial clinical assessmentMajor intracranial vesselsCTA source imagesVascular phase imagesSteady-state administrationProject classificationParenchymal phase imagesOrg 10172Oxfordshire classificationTOAST classificationAcute strokeStroke neurologistsStroke treatmentStroke patientsBlood volume imagingClinical examinationInfarct location
1999
Role for Telemedicine in Acute Stroke
Shafqat S, Kvedar J, Guanci M, Chang Y, Schwamm L. Role for Telemedicine in Acute Stroke. Stroke 1999, 30: 2141-2145. PMID: 10512919, DOI: 10.1161/01.str.30.10.2141.Peer-Reviewed Original ResearchConceptsNIH Stroke ScaleNIHSS scoreStroke neurologistsStroke ScaleAcute strokePatient's bedsideAcute stroke assessmentTotal NIHSS scoreAcute stroke treatmentEvaluation of patientsReliable clinical instrumentIschemic strokeStroke treatmentClinical outcomesStroke specialistsStroke expertiseBedside examinationStroke assessmentBedside assessmentKappa coefficientTelemedicine linkPatientsBedsideClinical instrumentsStroke