StrokeBrain IschemiaIschemiaMyocardial IschemiaIschemic Attack, TransientCerebrovascular DisordersCerebral InfarctionFibrinolytic AgentsTissue Plasminogen ActivatorCerebral HemorrhageAcute DiseaseInfarction, Middle Cerebral ArteryRisk FactorsThrombolytic TherapyBrain InfarctionTime FactorsReperfusion InjuryReperfusionProspective StudiesIntracranial HemorrhagesNeuroprotective AgentsTreatment OutcomeFollow-Up StudiesBrainCerebrovascular CirculationIntracranial ThrombosisIntracranial EmbolismTomography, X-Ray ComputedRecovery of FunctionCohort StudiesPredictive Value of TestsSeverity of Illness IndexRetrospective StudiesDisease Models, AnimalMagnetic Resonance ImagingMyocardial Reperfusion InjuryIncidenceIntracranial ArteriosclerosisCerebral AngiographyAnticoagulantsCerebral ArteriesIntracranial Arterial DiseasesCase-Control StudiesRecurrenceMagnetic Resonance AngiographyAtrial FibrillationBrain EdemaOdds RatioComorbidityWarm IschemiaPlatelet Aggregation InhibitorsRegistriesIschemic PreconditioningRats, Sprague-DawleyStroke, LacunarMiddle Cerebral ArteryDiffusion Magnetic Resonance ImagingRiskMyocardial InfarctionAge FactorsRisk AssessmentThrombectomyRats, WistarCarotid StenosisPrognosisAspirinWarfarinMultivariate AnalysisParesisGerbillinaeCerebral RevascularizationMechanical ThrombolysisNeurologic ExaminationCerebral Arterial DiseasesEmbolismArterial Occlusive DiseasesCold IschemiaProportional Hazards ModelsBlood PressureIntracranial Embolism and ThrombosisLogistic ModelsInfarction, Anterior Cerebral ArteryBiological MarkersInjections, Intra-ArterialHypertensionSpinal Cord IschemiaStroke VolumeUltrasonography, Doppler, TranscranialNeurologyCoronary DiseaseInjections, IntravenousMyocardiumSex FactorsCarotid Artery DiseasesRegression AnalysisBlood-Brain BarrierEmergency Medical ServicesIschemic Preconditioning, MyocardialSecondary PreventionVertebrobasilar Insufficiency