2022
Systematic Review of Sex Differences in Ischemic Strokes Among Young Adults: Are Young Women Disproportionately at Risk?
Leppert M, Burke J, Lisabeth L, Madsen T, Kleindorfer D, Sillau S, Schwamm L, Daugherty S, Bradley C, Ho P, Poisson S. Systematic Review of Sex Differences in Ischemic Strokes Among Young Adults: Are Young Women Disproportionately at Risk? Stroke 2022, 53: 319-327. PMID: 35073188, PMCID: PMC8852306, DOI: 10.1161/strokeaha.121.037117.Peer-Reviewed Original ResearchConceptsIschemic strokeIncidence rate ratiosYoung adultsStroke incidenceSex-specific incidence rate ratiosSystematic reviewAge groupsSex differencesYoung womenMore womenRate ratioAdults 35Incidence rateStroke typeHigh riskAge adjustmentStrokeSignificant sex differencesRelevant articlesMore menWomenNonsignificant sex differencesAdultsRecent evidenceMen
2021
Usefulness of Rhythm Monitoring Following Acute Ischemic Stroke
Khurshid S, Li X, Ashburner J, Lipsanopoulos A, Lee P, Lin A, Ko D, Ellinor P, Schwamm L, Benjamin E, Atlas S, Singer D, Anderson C, Trinquart L, Lubitz S. Usefulness of Rhythm Monitoring Following Acute Ischemic Stroke. The American Journal Of Cardiology 2021, 147: 44-51. PMID: 33617814, DOI: 10.1016/j.amjcard.2021.01.038.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeIschemic strokeCryptogenic strokeCause-specific hazards regressionCHARGE-AF scoreAtrial fibrillation riskRisk of deathFine-Gray modelCHARGE-AFIncident AFPrevalent AFDischarge dispositionStroke subtypesConsecutive patientsAF riskHazards regressionStroke survivorsAssessed associationsRhythm monitoringStrokeAF scorePatientsIncidenceOne-thirdRisk
2020
Association Between Thrombolytic Door-to-Needle Time and 1-Year Mortality and Readmission in Patients With Acute Ischemic Stroke
Man S, Xian Y, Holmes D, Matsouaka R, Saver J, Smith E, Bhatt D, Schwamm L, Fonarow G. Association Between Thrombolytic Door-to-Needle Time and 1-Year Mortality and Readmission in Patients With Acute Ischemic Stroke. JAMA 2020, 323: 2170-2184. PMID: 32484532, PMCID: PMC7267850, DOI: 10.1001/jama.2020.5697.Peer-Reviewed Original ResearchConceptsIntravenous tissue plasminogen activatorAcute ischemic strokeTissue plasminogen activatorCause mortalityNeedle timeCause readmissionIschemic strokeLong-term outcomesShorter doorBetter long-term outcomesImproved long-term outcomesPlasminogen activatorRetrospective cohort studyGood functional outcomeGuidelines-StrokeCohort studyHospital arrivalHospital dischargeMedian doorEarly administrationMedian agePrimary outcomeThrombolytic therapyFunctional outcomeReadmissionEvaluation of stroke incidence with duty‐cycled multielectrode‐phased radiofrequency ablation of persistent atrial fibrillation results of the VICTORY AF Study
Hummel J, Verma A, Calkins H, Schwamm L, Gress D, Wells D, Souza J, Hokanson R, Hemingway L, Stromberg K, Hoyt R, Wickliffe A, DeLurgio D, Boersma L. Evaluation of stroke incidence with duty‐cycled multielectrode‐phased radiofrequency ablation of persistent atrial fibrillation results of the VICTORY AF Study. Journal Of Cardiovascular Electrophysiology 2020, 31: 1289-1297. PMID: 32270538, DOI: 10.1111/jce.14483.Peer-Reviewed Original ResearchConceptsDevice-related strokesAcute procedural successAtrial fibrillationAF trialSecondary outcomesStroke incidenceProcedural successAF studyStroke/transient ischemic attackVitamin K antagonist anticoagulationMajor structural heart diseasePulmonary vein stenosisTransient ischemic attackIncidence of strokeStructural heart diseaseNumber of patientsVitamin K antagonismAtrial fibrillation resultsRigorous clinical evaluationIDE trialIschemic attackNeurologist assessmentPersAF patientsAF burdenPV stenosis
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 ControlsPatientsShock Index Predicts Patient‐Related Clinical Outcomes in Stroke
Myint P, Sheng S, Xian Y, Matsouaka R, Reeves M, Saver J, Bhatt D, Fonarow G, Schwamm L, Smith E. Shock Index Predicts Patient‐Related Clinical Outcomes in Stroke. Journal Of The American Heart Association 2018, 7: e007581. PMID: 30371191, PMCID: PMC6222962, DOI: 10.1161/jaha.117.007581.Peer-Reviewed Original ResearchConceptsShock indexClinical outcomesWorse outcomesPatient-related clinical outcomesHealth Stroke ScaleBlood pressure componentsAcute stroke casesRankin Scale scoreSystolic blood pressureUseful prognostic indicatorMortality prediction modelIndividual stroke subtypesLinear spline modelsHospital mortalityHospital outcomesHospital stayStroke ScaleAcute strokeDischarge destinationBlood pressureStroke subtypesPoint of carePoor outcomePrognostic valueStroke cases
2017
Stroke of Known Cause and Underlying Atrial Fibrillation (STROKE-AF) randomized trial: Design and rationale
Bernstein R, Kamel H, Granger C, Kowal R, Ziegler P, Schwamm L. Stroke of Known Cause and Underlying Atrial Fibrillation (STROKE-AF) randomized trial: Design and rationale. American Heart Journal 2017, 190: 19-24. PMID: 28760209, DOI: 10.1016/j.ahj.2017.04.007.Peer-Reviewed Original ResearchConceptsApparent atrial fibrillationInsertable cardiac monitorSmall vessel diseaseLarge vessel atherosclerosisStandard of careVessel diseaseIschemic strokeAtrial fibrillationPost-market clinical trialArrhythmia monitoringSecondary stroke preventionOral anticoagulation therapyContinuous arrhythmia monitoringAntithrombotic treatmentOral anticoagulationAnticoagulation therapyStroke preventionIntracranial atherosclerosisStroke etiologyClinical trialsIncidence rateCardiac monitorPatientsCardiac monitoringStroke
2015
Novel Oral Anticoagulant Use Among Patients With Atrial Fibrillation Hospitalized With Ischemic Stroke or Transient Ischemic Attack
Patel P, Zhao X, Fonarow G, Lytle B, Smith E, Xian Y, Bhatt D, Peterson E, Schwamm L, Hernandez A. Novel Oral Anticoagulant Use Among Patients With Atrial Fibrillation Hospitalized With Ischemic Stroke or Transient Ischemic Attack. Circulation Cardiovascular Quality And Outcomes 2015, 8: 383-392. PMID: 26058721, PMCID: PMC4512906, DOI: 10.1161/circoutcomes.114.000907.Peer-Reviewed Original ResearchConceptsNovel oral anticoagulantsTransient ischemic attackAtrial fibrillation patientsIschemic attackIschemic strokeFibrillation patientsEligible patientsWarfarin therapyAtrial fibrillationNovel oral anticoagulant useCHA2DS2-VASc scoreRate of anticoagulationOral anticoagulant useLower stroke riskMultivariable logistic regressionAnticoagulation ratesGuidelines-StrokeNOAC useAnticoagulant useOral anticoagulantsStroke riskRisk factorsStudy populationPatterns of usePatients
2014
Chronic Kidney Disease and Bleeding Complications After Intravenous Thrombolytic Therapy for Acute Ischemic Stroke
Ovbiagele B, Smith E, Schwamm L, Grau-Sepulveda M, Saver J, Bhatt D, Hernandez A, Peterson E, Fonarow G. Chronic Kidney Disease and Bleeding Complications After Intravenous Thrombolytic Therapy for Acute Ischemic Stroke. Circulation Cardiovascular Quality And Outcomes 2014, 7: 929-935. PMID: 25249561, DOI: 10.1161/circoutcomes.114.001144.Peer-Reviewed Original ResearchMeSH KeywordsAcute DiseaseAgedBrain IschemiaFemaleFibrinolytic AgentsFollow-Up StudiesGlomerular Filtration RateHemorrhageHospital MortalityHumansIncidenceInjections, IntravenousMaleOdds RatioRegistriesRenal Insufficiency, ChronicRetrospective StudiesThrombolytic TherapyTime FactorsTissue Plasminogen ActivatorUnited StatesConceptsChronic kidney diseaseSerious systemic hemorrhageSymptomatic intracranial hemorrhagePresence of CKDIntravenous tissue-type plasminogen activatorIntracranial hemorrhageSystemic hemorrhageTissue-type plasminogen activatorKidney diseaseFunctional statusTissue-type plasminogen activator administrationPlasminogen activatorAdmission serum creatinineGuidelines-Stroke programIndependent functional statusIntravenous thrombolytic therapyPrimary end pointAcute ischemic strokeIschemic stroke patientsGlomerular filtration rateNormal kidney functionDischarge functional statusHigher unadjusted oddsTissue-type plasminogenHospital mortality
2013
Factors Influencing the Decline in Stroke Mortality
Lackland DT, Roccella EJ, Deutsch AF, Fornage M, George MG, Howard G, Kissela BM, Kittner SJ, Lichtman JH, Lisabeth LD, Schwamm LH, Smith EE, Towfighi A. Factors Influencing the Decline in Stroke Mortality. Stroke 2013, 45: 315-353. PMID: 24309587, PMCID: PMC5995123, DOI: 10.1161/01.str.0000437068.30550.cf.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultAge FactorsAgedAged, 80 and overAir PollutionAmerican Heart AssociationAspirinAssociationAtrial FibrillationBlood PressureClinical Trials as TopicDiabetes MellitusExerciseFemaleHeart DiseasesHumansHyperlipidemiasHypertensionIncidenceInternational Classification of DiseasesMaleMiddle AgedObesityObservational Studies as TopicPlatelet Aggregation InhibitorsPopulationPrevalenceSecondary PreventionSex FactorsSmokingStrokeThrombolytic TherapyUnited StatesYoung AdultConceptsStroke mortalityCause of deathStroke riskAmerican Heart Association Stroke Council's Scientific Statement Oversight CommitteeAmerican Heart Association's Manuscript Oversight CommitteeAmerican Heart Association Science AdvisoryScientific Statements Oversight Committee reviewStroke Council Leadership reviewLower case fatality rateEvidence-based public health programsMajor public health burdenControl of hypertensionChronic lung diseaseFourth leading causeCase fatality rateTreatment of hypertensionPublic health burdenWriting group membersAttributable risk estimatesPublic health guidelinesYears of ageMajor public healthPublic health programsCombination of interventionsDyslipidemia controlDysphagia Screening and Hospital-acquired Pneumonia in Patients with Acute Ischemic Stroke: Findings from Get with the Guidelines–Stroke
Masrur S, Smith E, Saver J, Reeves M, Bhatt D, Zhao X, Olson D, Pan W, Hernandez A, Fonarow G, Schwamm L. Dysphagia Screening and Hospital-acquired Pneumonia in Patients with Acute Ischemic Stroke: Findings from Get with the Guidelines–Stroke. Journal Of Stroke And Cerebrovascular Diseases 2013, 22: e301-e309. PMID: 23305674, DOI: 10.1016/j.jstrokecerebrovasdis.2012.11.013.Peer-Reviewed Original ResearchConceptsHospital-acquired pneumoniaDysphagia screeningStroke patientsGuidelines-StrokeNIHSS scoreIschemic strokeOral intakeMultivariable analysisHealth Stroke Scale scoreAdmission National InstitutesGuidelines-Stroke hospitalsStroke Scale scoreAcute ischemic strokeIschemic stroke patientsLength of stayEligible patientsHospital mortalitySevere strokeFemale genderNational guidelinesLower riskPatientsScale scorePneumoniaStroke
2010
Cost-Effectiveness of CT Perfusion for Selecting Patients for Intravenous Thrombolysis: A US Hospital Perspective
Jackson D, Earnshaw S, Farkouh R, Schwamm L. Cost-Effectiveness of CT Perfusion for Selecting Patients for Intravenous Thrombolysis: A US Hospital Perspective. American Journal Of Neuroradiology 2010, 31: 1669-1674. PMID: 20538823, PMCID: PMC7965001, DOI: 10.3174/ajnr.a2138.Peer-Reviewed Original ResearchConceptsHospital perspectiveUnenhanced CTExtent of penumbraLife-year savedUS hospital perspectiveAcute stroke evaluationSelection of patientsCT-based methodClinical trial dataDecision analytic modelCTP selectionIntravenous thrombolysisIschemic strokeClinical outcomesStroke evaluationPatient populationCT perfusionFavorable outcomeRoutine CTClinical trialsPatientsTrial dataMultivariate sensitivity analysisHospitalTPA treatment
2008
Clinical- and Imaging-Based Prediction of Stroke Risk After Transient Ischemic Attack
Ay H, Arsava E, Johnston S, Vangel M, Schwamm L, Furie K, Koroshetz W, Sorensen A. Clinical- and Imaging-Based Prediction of Stroke Risk After Transient Ischemic Attack. Stroke 2008, 40: 181-186. PMID: 18948609, DOI: 10.1161/strokeaha.108.521476.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overBrainComorbidityComputer SimulationDiffusion Magnetic Resonance ImagingDisease ProgressionEarly DiagnosisEmergency Medical ServicesFemaleHumansIncidenceIschemic Attack, TransientLogistic ModelsMaleMiddle AgedNeurologic ExaminationPredictive Value of TestsPrognosisReproducibility of ResultsRisk FactorsStrokeConceptsTransient ischemic attackIschemic attackStroke riskClinical featuresDiffusion-weighted imagingAcute infarctsClinical transient ischemic attackDiffusion-weighted imaging findingsEarly stroke riskRelevant clinical settingsCharacteristic curveLogistic regression modelsConsecutive patientsSymptom onsetIndependent predictorsRisk stratificationImaging findingsTherapeutic measuresHospital resourcesEarly riskClinical settingResponse criteriaPredictive instrumentStrokeSubsequent stroke