Intracranial HemorrhagesIntracranial AneurysmAneurysmCerebral HemorrhageSubarachnoid HemorrhageIntracranial Hemorrhage, TraumaticHemorrhageAneurysm, InfectedAortic AneurysmCerebral AngiographyTomography, X-Ray ComputedHeart AneurysmAortic Aneurysm, ThoracicEmbolization, TherapeuticFibrinolytic AgentsAneurysm, DissectingTreatment OutcomeIntracranial Arteriovenous MalformationsHematoma, SubduralTissue Plasminogen ActivatorThrombolytic TherapyIliac AneurysmCoronary AneurysmStrokeAnticoagulantsRetinal HemorrhageRetrospective StudiesBlood Vessel Prosthesis ImplantationBrain IschemiaWarfarinAneurysm, FalseHematomaAortic RuptureInternational Normalized RatioEndovascular ProceduresPostpartum HemorrhageCerebral Hemorrhage, TraumaticBlood Vessel ProsthesisVasculitis, Central Nervous SystemGastrointestinal HemorrhageAngiography, Digital SubtractionHydrocephalusIntracranial Hemorrhage, HypertensiveAorta, AbdominalCraniocerebral TraumaTime FactorsStentsGlasgow Coma ScaleFollow-Up StudiesVitreous HemorrhageRisk FactorsProspective StudiesCraniotomyEye HemorrhageAortographyMagnetic Resonance ImagingNeurosurgical ProceduresFatal OutcomeIntracranial ThrombosisVascular Surgical ProceduresAngiographyPostoperative ComplicationsEmbolectomyIntracranial HypertensionSurgical InstrumentsEchoencephalographyBrain Hemorrhage, TraumaticNeurologic ExaminationCerebral ArteriesAcute DiseaseCerebrovascular DisordersBrain Damage, ChronicCerebral RevascularizationHematoma, Subdural, IntracranialPosterior Cerebral ArteryVitamin K Deficiency BleedingVasospasm, IntracranialInfant, NewbornCarotid Artery, InternalConsciousness DisordersPlatelet Aggregation InhibitorsBrainRecurrenceAneurysm, RupturedPlatelet TransfusionHeadacheRisk AssessmentThrombocytopenia, Neonatal AlloimmuneCerebral InfarctionObstetrical ForcepsAntigens, Human PlateletBasal Ganglia HemorrhagePurpura, Thrombocytopenic, IdiopathicIncidenceArteriovenous FistulaVitamin K DeficiencyPostoperative HemorrhageEncephaloceleCentral Nervous System Vascular MalformationsMechanical Thrombolysis