ThrombocytopeniaThrombosisVenous ThrombosisHemorrhageCerebral HemorrhageSubarachnoid HemorrhagePlatelet CountIntracranial HemorrhagesPurpura, Thrombocytopenic, IdiopathicCoronary ThrombosisSinus Thrombosis, IntracranialThrombocytopenia, Neonatal AlloimmuneRetinal HemorrhageIntracranial ThrombosisBlood PlateletsAnticoagulantsTreatment OutcomePostpartum HemorrhageCarotid Artery ThrombosisGastrointestinal HemorrhagePlatelet TransfusionHeparinAntigens, Human PlateletVitreous HemorrhageEye HemorrhagePlatelet Factor 4Purpura, ThrombocytopenicMegakaryocytesRetrospective StudiesThrombopoietinTime FactorsTomography, X-Ray ComputedDisseminated Intravascular CoagulationRisk FactorsProspective StudiesSplenectomyFollow-Up StudiesPregnancy Complications, HematologicIntracranial Embolism and ThrombosisFibrinolytic AgentsPhlebographySagittal Sinus ThrombosisReceptors, ThrombopoietinPipecolic AcidsPlatelet Aggregation InhibitorsAcute DiseaseHematomaBasal Ganglia HemorrhagePostoperative HemorrhageHemostasisAntiphospholipid SyndromeHeparin, Low-Molecular-WeightVasospasm, IntracranialRecurrenceThromboembolismThrombophiliaBleeding TimePlatelet AggregationLeukopeniaIntracranial Hemorrhage, HypertensiveFatal OutcomeCerebral VeinsDrug Administration ScheduleSeverity of Illness IndexBlood CoagulationThrombopoiesisIliac VeinPhlebovirusFemoral VeinCerebral AngiographyIntracranial AneurysmPlatelet ActivationUpper Extremity Deep Vein ThrombosisWarfarinAntineoplastic Combined Chemotherapy ProtocolsInfusions, IntravenousPortal VeinNeutropeniaBlood Coagulation DisordersBlood Coagulation TestsIncidenceImmunoglobulins, IntravenousDisease Models, AnimalInfant, NewbornFactor VBunyaviridae InfectionsFibrin Fibrinogen Degradation ProductsPeptic Ulcer HemorrhageThrombolytic TherapyChoroid HemorrhagePurpura, Thrombotic ThrombocytopenicMagnetic Resonance ImagingCavernous Sinus ThrombosisThrombocytosisStentsHemorrhagic DisordersPregnancyPutaminal HemorrhageAutoantibodiesSyndrome