ThromboembolismAnticoagulantsPulmonary EmbolismWarfarinPostoperative ComplicationsThrombophlebitisIntracranial ThrombosisVenous ThrombosisHemorrhageHeparinInternational Normalized RatioThrombosisPostoperative HemorrhageAtrial FibrillationTreatment OutcomeHeparin, Low-Molecular-WeightEmbolization, TherapeuticIntracranial AneurysmTranexamic AcidHirudin TherapyRetrospective StudiesThrombophiliaAntifibrinolytic AgentsIntracranial EmbolismHeart Valve ProsthesisThrombocytopeniaElectric CountershockAspirinFibrinolytic AgentsHemostasis, SurgicalHemostaticsRisk FactorsFollow-Up StudiesBlood CoagulationHirudinsAneurysm, RupturedPlatelet Aggregation InhibitorsIncidenceBlood Loss, SurgicalProspective StudiesFactor VIIaEchocardiography, TransesophagealAntithrombin IIITime FactorsEndarterectomyRisk AssessmentMitral ValveHypertension, PulmonaryHeart AtriaPlatelet ActivationCatheter AblationRecurrenceBlood PlateletsVenous ThromboembolismIntraoperative ComplicationsRecombinant ProteinsIntracranial Embolism and ThrombosisChronic DiseaseDiabetes ComplicationsReoperationPregnancy ComplicationsStrokePulmonary ArteryTomography, X-Ray ComputedFibrin Fibrinogen Degradation ProductsIntermittent Pneumatic Compression DevicesFactor VAcenocoumarolPhenprocoumonPregnancy Complications, CardiovascularBandagesAngiographyPerioperative CareCohort StudiesLength of StayAcute DiseaseCerebral HemorrhageDevice RemovalBlood Coagulation TestsProstheses and ImplantsCardiac CatheterizationVena Cava FiltersPostoperative CareHeart Diseasesbeta-AlaninePhlebographyEnoxaparinAdministration, OralHeart Valve Prosthesis ImplantationHematomaAntiphospholipid SyndromeVitamin KAntithrombinsPreoperative CareCerebral AngiographyProthrombinLupus Coagulation InhibitorAge FactorsStentsPregnancy