2024
Time to Anticoagulation Reversal and Outcomes After Intracerebral Hemorrhage
Sheth K, Solomon N, Alhanti B, Messe S, Xian Y, Bhatt D, Hemphill J, Frontera J, Chang R, Danelich I, Huang J, Schwamm L, Smith E, Goldstein J, Mac Grory B, Fonarow G, Saver J. Time to Anticoagulation Reversal and Outcomes After Intracerebral Hemorrhage. JAMA Neurology 2024, 81: 363-372. PMID: 38335064, PMCID: PMC11002694, DOI: 10.1001/jamaneurol.2024.0221.Peer-Reviewed Original ResearchDoor-to-treatment timeDoor-to-treatmentUS hospitalsQuality improvement registryOnset-to-treatment timeAmerican Heart AssociationFunctional outcomesLogistic regression modelsAssociated with decreased mortalityGuidelines-StrokeIntracerebral hemorrhageHospital characteristicsImprovement registryIntervention statusMain OutcomesAnticoagulation-associated intracerebral hemorrhageSystolic blood pressureInpatient mortalityRandom interceptCohort studyWhite raceSecondary outcomesStroke subtypesStroke severityWorkflow times
2022
Association of Recent Use of Non–Vitamin K Antagonist Oral Anticoagulants With Intracranial Hemorrhage Among Patients With Acute Ischemic Stroke Treated With Alteplase
Kam W, Holmes D, Hernandez A, Saver J, Fonarow G, Smith E, Bhatt D, Schwamm L, Reeves M, Matsouaka R, Khan Y, Unverdorben M, Birmingham M, Lyden P, Asimos A, Altschul D, Schoonover T, Jumaa M, Nomura J, Suri M, Moore S, Lafranchise E, Olson D, Peterson E, Xian Y. Association of Recent Use of Non–Vitamin K Antagonist Oral Anticoagulants With Intracranial Hemorrhage Among Patients With Acute Ischemic Stroke Treated With Alteplase. JAMA 2022, 327: 760-771. PMID: 35143601, PMCID: PMC8832308, DOI: 10.1001/jama.2022.0948.Peer-Reviewed Original ResearchConceptsAcute ischemic strokeSymptomatic intracranial hemorrhageSecondary functional outcomesSecondary safety outcomesProportion of patientsIntravenous alteplaseIntracranial hemorrhageIschemic strokeFunctional outcomeOral anticoagulantsInpatient mortalitySafety outcomesNon-Vitamin K Antagonist Oral AnticoagulantsK Antagonist Oral AnticoagulantsBaseline clinical factorsGuidelines-Stroke programIntravenous alteplase administrationLong-term anticoagulantsUse of NOACsRetrospective cohort studyUse of anticoagulantsSignificant differencesAlteplase administrationCardiovascular comorbiditiesNOAC group
2014
Hospitalized Hemorrhagic Stroke Patients with Renal Insufficiency: Clinical Characteristics, Care Patterns, and Outcomes
Ovbiagele B, Schwamm L, Smith E, Grau-Sepulveda M, Saver J, Bhatt D, Hernandez A, Peterson E, Fonarow G. Hospitalized Hemorrhagic Stroke Patients with Renal Insufficiency: Clinical Characteristics, Care Patterns, and Outcomes. Journal Of Stroke And Cerebrovascular Diseases 2014, 23: 2265-2273. PMID: 25158677, DOI: 10.1016/j.jstrokecerebrovasdis.2014.04.016.Peer-Reviewed Original ResearchConceptsChronic kidney diseaseNormal renal functionICH patientsClinical characteristicsRenal functionKidney diseaseCare patternsDeep venous thrombosis prophylaxisGuidelines-Stroke programGWTG-Stroke programVenous thrombosis prophylaxisThird of patientsGlomerular filtration rateHemorrhagic stroke patientsNormal kidney functionIntracerebral hemorrhage patientsSmoking cessation interventionHospital mortalityThrombosis prophylaxisHospital outcomesRenal dysfunctionRenal insufficiencyInpatient mortalityClinical outcomesComorbid conditionsPatterns of Care Quality and Prognosis Among Hospitalized Ischemic Stroke Patients With Chronic Kidney Disease
Ovbiagele B, Schwamm L, Smith E, Grau‐Sepulveda M, Saver J, Bhatt D, Hernandez A, Peterson E, Fonarow G. Patterns of Care Quality and Prognosis Among Hospitalized Ischemic Stroke Patients With Chronic Kidney Disease. Journal Of The American Heart Association 2014, 3: e000905. PMID: 24904017, PMCID: PMC4309090, DOI: 10.1161/jaha.114.000905.Peer-Reviewed Original ResearchConceptsChronic kidney diseaseIschemic stroke patientsSevere renal dysfunctionGlomerular filtration rateStroke patientsRenal dysfunctionQuality of careKidney diseaseHospitalized ischemic stroke patientsGuideline-based therapyGuideline-recommended therapiesGuidelines-Stroke programGWTG-Stroke programStroke performance measuresHospital mortality rateNormal kidney functionHospital mortalityHospital prognosisInpatient mortalityIschemic strokeCare complianceKidney functionModerate dysfunctionKidney failureFiltration rate
2013
Paradoxical Association of Smoking With In‐Hospital Mortality Among Patients Admitted With Acute Ischemic Stroke
Ali S, Smith E, Bhatt D, Fonarow G, Schwamm L. Paradoxical Association of Smoking With In‐Hospital Mortality Among Patients Admitted With Acute Ischemic Stroke. Journal Of The American Heart Association 2013, 2: e000171. PMID: 23782919, PMCID: PMC3698779, DOI: 10.1161/jaha.113.000171.Peer-Reviewed Original ResearchConceptsNIH Stroke ScaleTissue plasminogen activatorAcute ischemic strokeIschemic strokeInpatient mortalityAtrial fibrillationMyocardial ischemiaDeep vein thrombosis prophylaxisGuidelines-Stroke registryLower inpatient mortalityOverall inpatient mortalityStroke risk factorsIn-Hospital MortalityIschemic stroke patientsCoronary artery diseaseCerebrovascular vasoreactivityEarly antithromboticsHospital mortalityThrombosis prophylaxisStroke ScaleArtery diseaseDiabetes mellitusOral intakeMultivariable analysisStroke patientsComparison of Ischemic Stroke Outcomes and Patient and Hospital Characteristics by Race/Ethnicity and Socioeconomic Status
Hanchate A, Schwamm L, Huang W, Hylek E. Comparison of Ischemic Stroke Outcomes and Patient and Hospital Characteristics by Race/Ethnicity and Socioeconomic Status. Stroke 2013, 44: 469-476. PMID: 23306327, PMCID: PMC3595403, DOI: 10.1161/strokeaha.112.669341.Peer-Reviewed Original ResearchConceptsRace/ethnicityAcute ischemic strokeInpatient mortalityRisk-adjusted ratesIschemic strokeSocioeconomic statusBlack patientsArea patientsNonfederal acute care hospitalsRisk-adjusted inpatient mortalityIschemic stroke outcomeInpatient mortality rateIschemic stroke admissionsCrude inpatient mortality rateLength of stayPatient's zip codeAcute care hospitalsLonger lengthStroke admissionsStroke outcomeStroke severityCare hospitalDischarge outcomesWhite patientsMechanical ventilation
2012
Care and Outcomes of Hispanic Patients Admitted With Heart Failure With Preserved or Reduced Ejection Fraction
Vivo R, Krim S, Krim N, Zhao X, Hernandez A, Peterson E, Piña I, Bhatt D, Schwamm L, Fonarow G. Care and Outcomes of Hispanic Patients Admitted With Heart Failure With Preserved or Reduced Ejection Fraction. Circulation Heart Failure 2012, 5: 167-175. PMID: 22414939, DOI: 10.1161/circheartfailure.111.963546.Peer-Reviewed Original ResearchConceptsNon-Hispanic whitesEjection fractionHeart failureQuality of careHF patientsNon-Hispanic white patientsLeft ventricular ejection fractionGuidelines-Heart FailureVentricular ejection fractionOverweight/obesityLower mortality riskPercent of HispanicsHospital survivalInpatient mortalityWhite patientsHispanic patientsHispanic ethnicityMortality riskHigh riskEquitable carePerformance improvement programMultivariate analysisPatientsStudy periodCare