StrokeBrain IschemiaIschemic Attack, TransientCerebrovascular DisordersFibrinolytic AgentsTissue Plasminogen ActivatorCerebral InfarctionCerebral HemorrhageRisk FactorsAcute DiseaseThrombolytic TherapyInfarction, Middle Cerebral ArteryBrain InfarctionTime FactorsProspective StudiesIntracranial HemorrhagesTreatment OutcomeFollow-Up StudiesIntracranial ThrombosisIntracranial EmbolismCohort StudiesTomography, X-Ray ComputedPredictive Value of TestsSeverity of Illness IndexRecovery of FunctionIntracranial ArteriosclerosisNeuroprotective AgentsIncidenceBrainMagnetic Resonance ImagingRetrospective StudiesCerebral AngiographyAnticoagulantsReperfusionIntracranial Arterial DiseasesCase-Control StudiesCerebrovascular CirculationAtrial FibrillationRecurrenceMagnetic Resonance AngiographyComorbidityOdds RatioRegistriesCerebral ArteriesStroke, LacunarPlatelet Aggregation InhibitorsRiskDiffusion Magnetic Resonance ImagingAge FactorsWarfarinCerebral RevascularizationParesisCarotid StenosisAspirinMechanical ThrombolysisMultivariate AnalysisThrombectomyRisk AssessmentMiddle Cerebral ArteryPrognosisIschemiaLogistic ModelsProportional Hazards ModelsInfarction, Anterior Cerebral ArteryNeurologic ExaminationEmbolismHypertensionNeurologyCerebral Arterial DiseasesUltrasonography, Doppler, TranscranialBrain EdemaIntracranial Embolism and ThrombosisInjections, Intra-ArterialStroke VolumeDisease Models, AnimalSecondary PreventionInjections, IntravenousBiological MarkersSex FactorsCarotid Artery DiseasesEmergency Medical ServicesRegression AnalysisUnited StatesCyclic Nucleotide Phosphodiesterases, Type 3Endarterectomy, CarotidVertebrobasilar InsufficiencyRandomized Controlled Trials as TopicEuropean Continental Ancestry GroupHemiplegiaOutcome Assessment (Health Care)Blood PressureDouble-Blind MethodKentuckyDisability EvaluationHospital UnitsGenetic Predisposition to DiseaseInfusions, Intra-ArterialVascular DiseasesReproducibility of ResultsNervous System Diseases