Vena Cava FiltersVena Cava, InferiorPulmonary EmbolismTreatment OutcomeAnticoagulantsVena Cava, SuperiorVenous ThrombosisDevice RemovalPatient SelectionWarfarinSuperior Vena Cava SyndromePhlebographyInternational Normalized RatioThromboembolismVenae CavaeIliac VeinForeign-Body MigrationProsthesis ImplantationVenous ThromboembolismFemoral VeinMultiple TraumaRadiography, InterventionalPoint-of-Care SystemsThrombophlebitisEquipment FailureThrombosisHemorrhageMicropore FiltersFiltrationHeparinAtrial FibrillationHead Injuries, ClosedFollow-Up StudiesAzygos VeinUltrasonography, Doppler, DuplexWhole Blood Coagulation TimeRetrospective StudiesTomography, X-Ray ComputedTime FactorsPhenprocoumonRecurrenceProsthesis DesignSensation DisordersThrombolytic TherapyRisk AssessmentInformation Storage and RetrievalBlood CoagulationInjury Severity ScoreEquipment DesignUltrasonography, InterventionalHeparin, Low-Molecular-WeightFluoroscopyAcenocoumarolClinical Trials as TopicHeparin AntagonistsProthrombin TimeVitamin Kbeta-AlanineImmobilizationVascular PatencyRisk FactorsAdministration, OralDrug MonitoringRenal VeinsPartial Thromboplastin TimeBudd-Chiari SyndromeStrokeSafetyEmbolismProspective StudiesEdemaVenous InsufficiencyFibrinolytic AgentsWounds and InjuriesBrachiocephalic VeinsHeart Valve ProsthesisPlatelet Aggregation InhibitorsAspirinMental RecallHeart AtriaAir Filters