2022
In a hub-and-spoke network, spoke-administered thrombolysis reduces mechanical thrombectomy procedure time and number of passes
Kraft A, Awad A, Rosenthal J, Dmytriw A, Vranic J, Bonkhoff A, Bretzner M, Hirsch J, Rabinov J, Stapleton C, Schwamm L, Rost N, Leslie-Mazwi T, Patel A, Regenhardt R. In a hub-and-spoke network, spoke-administered thrombolysis reduces mechanical thrombectomy procedure time and number of passes. Interventional Neuroradiology 2022, 29: 315-320. PMID: 35317663, PMCID: PMC10369105, DOI: 10.1177/15910199221087498.Peer-Reviewed Original ResearchConceptsLarge vessel occlusion strokeIntravenous thrombolysisIVT-treated patientsMechanical thrombectomyProcedure timePuncture timeImproved reperfusionBaseline characteristicsTICI 2bIVT patientsOcclusion strokeOperative reportsProcedural characteristicsTelestroke networkPatientsReperfusionIncreased proportionThrombolysisTechnical difficultiesNIHSSThrombectomyHospitalStrokeMin
2019
Clinical Effectiveness of Direct Oral Anticoagulants vs Warfarin in Older Patients With Atrial Fibrillation and Ischemic Stroke
Xian Y, Xu H, O’Brien E, Shah S, Thomas L, Pencina M, Fonarow G, Olson D, Schwamm L, Bhatt D, Smith E, Hannah D, Maisch L, Lytle B, Peterson E, Hernandez A. Clinical Effectiveness of Direct Oral Anticoagulants vs Warfarin in Older Patients With Atrial Fibrillation and Ischemic Stroke. JAMA Neurology 2019, 76: 1192-1202. PMID: 31329212, PMCID: PMC6647003, DOI: 10.1001/jamaneurol.2019.2099.Peer-Reviewed Original ResearchDirect oral anticoagulantsAcute ischemic strokeMajor adverse cardiovascular eventsAdverse cardiovascular eventsIschemic strokeLong-term outcomesAtrial fibrillationCardiovascular eventsOral anticoagulantsClinical effectivenessHigh riskHealth Stroke Scale scoreBetter long-term outcomesFirst year postdischargeStroke Scale scorePatient-centered outcomesPatient-centered measuresDOAC useGuidelines-StrokeCardiovascular readmissionCause readmissionGastrointestinal bleedingStroke preventionWarfarin prescriptionBaseline characteristics
2018
Rates, Characteristics, and Outcomes of Patients Transferred to Specialized Stroke Centers for Advanced Care
Ali S, Fonarow G, Liang L, Xian Y, Smith E, Bhatt D, Schwamm L. Rates, Characteristics, and Outcomes of Patients Transferred to Specialized Stroke Centers for Advanced Care. Circulation Cardiovascular Quality And Outcomes 2018, 11: e003359. PMID: 30354551, DOI: 10.1161/circoutcomes.116.003359.Peer-Reviewed Original ResearchMeSH KeywordsAgedAged, 80 and overCentralized Hospital ServicesDisability EvaluationFemaleHealthcare DisparitiesHospital MortalityHumansMaleMiddle AgedPatient AdmissionPatient TransferRecovery of FunctionRegistriesRetrospective StudiesRisk AssessmentRisk FactorsStrokeTime FactorsTime-to-TreatmentTreatment OutcomeUnited StatesConceptsSpecialized stroke centersStroke centersHospital mortalityAIS casesPrevious stroke/transient ischemic attackStroke/transient ischemic attackHealth Stroke Scale scoreHigher median National InstitutesWorse short-term outcomesAcute ischemic stroke careGuidelines-Stroke registryMedian National InstitutesOutcomes of patientsStroke Scale scoreTransient ischemic attackShort-term outcomesIschemic stroke careTransfer of patientsMidwest teaching hospitalInstitutional mortality ratesIschemic attackMultivariable adjustmentBaseline characteristicsRankin ScaleClinical outcomes
2017
Association Between Previous Use of Antiplatelet Therapy and Intracerebral Hemorrhage Outcomes
Khan N, Siddiqui F, Goldstein J, Cox M, Xian Y, Matsouaka R, Heidenreich P, Peterson E, Bhatt D, Fonarow G, Schwamm L, Smith E. Association Between Previous Use of Antiplatelet Therapy and Intracerebral Hemorrhage Outcomes. Stroke 2017, 48: 1810-1817. PMID: 28596454, DOI: 10.1161/strokeaha.117.016290.Peer-Reviewed Original ResearchConceptsAntiplatelet therapyIntracerebral hemorrhageHospital mortalityPrevious useDiagnosis of ICHCombination antiplatelet therapyGuidelines-Stroke hospitalsPrestroke antiplatelet therapyTerms of comorbiditiesOral anticoagulant therapyIntracerebral hemorrhage outcomesAPT groupHigh-risk profileHospital presentationAnticoagulant therapyBaseline characteristicsAntiplatelet agentsHospital characteristicsHigh riskPatientsRisk profileMortalityTherapyAPT useComorbidities
2014
Design, methods, baseline characteristics and interim results of the Catheter Sampled Blood Archive in Cardiovascular Diseases (CASABLANCA) study
Gaggin H, Bhardwaj A, Belcher A, Motiwala S, Gandhi P, Simon M, Kelly N, Anderson A, Garasic J, Danik S, Schwamm L, Gerszten R, van Kimmenade R, Januzzi J. Design, methods, baseline characteristics and interim results of the Catheter Sampled Blood Archive in Cardiovascular Diseases (CASABLANCA) study. IJC Metabolic & Endocrine 2014, 5: 11-18. DOI: 10.1016/j.ijcme.2014.08.005.Peer-Reviewed Original ResearchAcute kidney injuryEnd pointRenal complicationsMajor adverse cardiovascular eventsProspective single-center trialLong-term adverse outcomesPeri-procedural eventsPeripheral arterial complicationsAdverse cardiovascular eventsCombined end pointPeri-procedural complicationsPrimary end pointSecondary end pointsChronic kidney diseaseSingle-center trialNumber of patientsIndividual end pointsCardiovascular Disease StudyArterial complicationsAngiographic characteristicsCardiovascular eventsKidney injuryBaseline characteristicsNeurological eventsRenal biomarkers
2012
Sex differences in in-hospital mortality in acute decompensated heart failure with reduced and preserved ejection fraction
Hsich E, Grau-Sepulveda M, Hernandez A, Peterson E, Schwamm L, Bhatt D, Fonarow G. Sex differences in in-hospital mortality in acute decompensated heart failure with reduced and preserved ejection fraction. American Heart Journal 2012, 163: 430-437.e3. PMID: 22424014, DOI: 10.1016/j.ahj.2011.12.013.Peer-Reviewed Original ResearchConceptsHospital mortalityHeart failureRisk factorsHF patientsEjection fractionAcute decompensated heart failureRenal failure/dialysisGuidelines-Heart FailureDecompensated heart failurePrimary end pointPeripheral vascular diseaseSystolic blood pressureCoronary artery diseaseValvular heart diseaseEquation logistic modelsSex differencesMulticenter registryBaseline characteristicsArtery diseaseBlood pressureHospital clusteringHospitalized patientsStudy cohortVascular diseaseHeart disease
1997
Pharmacological elevation of blood pressure in acute stroke. Clinical effects and safety.
Rordorf G, Cramer S, Efird J, Schwamm L, Buonanno F, Koroshetz W. Pharmacological elevation of blood pressure in acute stroke. Clinical effects and safety. Stroke 1997, 28: 2133-8. PMID: 9368553, DOI: 10.1161/01.str.28.11.2133.Peer-Reviewed Original ResearchConceptsBlood pressure thresholdAcute strokeBlood pressureInduced hypertensionCerebral arterySystolic blood pressure thresholdNeurological intensive care unitPhenylephrine-Induced HypertensionAcute cerebral ischemiaSubset of patientsIntensive care unitPressure thresholdCardiac morbidityIschemic deficitsIschemic symptomsPressor agentsBaseline characteristicsIschemic strokeNeurological deficitsCerebral ischemiaCerebral perfusionBrain edemaCare unitClinical effectsIntracerebral hemorrhage