ThrombosisVenous ThrombosisCoronary ThrombosisSinus Thrombosis, IntracranialIntracranial ThrombosisCarotid Artery ThrombosisAnticoagulantsSagittal Sinus ThrombosisPhlebographyIntracranial Embolism and ThrombosisIliac VeinThrombophiliaFemoral VeinUpper Extremity Deep Vein ThrombosisPortal VeinRisk FactorsCerebral VeinsHeparinFactor VFibrinolytic AgentsHemostasisHeparin, Low-Molecular-WeightCavernous Sinus ThrombosisBlood CoagulationTreatment OutcomeAntiphospholipid SyndromeVena Cava, InferiorThromboembolismPlatelet Aggregation InhibitorsLateral Sinus ThrombosisBleeding TimeThrombectomyFibrin Fibrinogen Degradation ProductsStentsProtein S DeficiencyTime FactorsPlatelet AggregationMesenteric VeinsSubclavian VeinFollow-Up StudiesDrug-Eluting StentsProthrombinPopliteal VeinBlood PlateletsJugular VeinsVenous ThromboembolismHemorrhageRetrospective StudiesAntibodies, AntiphospholipidProtein C DeficiencyCranial SinusesProspective StudiesActivated Protein C ResistanceLupus Coagulation InhibitorPlatelet ActivationWarfarinThromboplastinThrombolytic TherapyRenal VeinsSplenic VeinUltrasonography, Doppler, DuplexBudd-Chiari SyndromeIncidenceAntithrombin III DeficiencyAspirinFibrinolysisAxillary VeinMesenteric Vascular OcclusionProtein CPostthrombotic SyndromeCatheterization, Central VenousGraft Occlusion, VascularRecurrenceFibrinFibrinogenVena Cava FiltersPostphlebitic SyndromeAntithrombinsArteriovenous Shunt, SurgicalTomography, X-Ray ComputedTiclopidinePartial Thromboplastin TimeRisk AssessmentAngioplasty, Balloon, CoronaryBlood Coagulation TestsSirolimusCatheters, IndwellingCoronary RestenosisAntibodies, AnticardiolipinAcute DiseaseStockings, CompressionThrombocythemia, EssentialCatheterization, PeripheralBlood Coagulation FactorsPrevalenceBlood Coagulation DisordersEnoxaparinVascular PatencyVeinsCase-Control Studies