Vena Cava, InferiorVena Cava, SuperiorSuperior Vena Cava SyndromeVena Cava FiltersAortic ValveVenae CavaeMitral ValveHeart Valve DiseasesAortic Valve StenosisAzygos VeinTricuspid ValvePulmonary ValveAortic Valve InsufficiencyPhlebographyMitral Valve InsufficiencyRenal VeinsMitral Valve ProlapseVenous ThrombosisBioprosthesisPulmonary EmbolismVenous ValvesMitral Valve StenosisBudd-Chiari SyndromeVascular NeoplasmsHepatic VeinsBrachiocephalic VeinsIliac VeinVascular MalformationsHeart AtriaDevice RemovalTricuspid Valve InsufficiencyTreatment OutcomeTomography, X-Ray ComputedCatheterization, Central VenousEchocardiographyEchocardiography, TransesophagealFemoral VeinJugular VeinsMitral Valve AnnuloplastyCardiac CatheterizationSuperior ColliculiCatheterizationProsthesis DesignPortal VeinCoronary SinusLeiomyosarcomaHeart Defects, CongenitalPulmonary VeinsVeinsCardiac Valve AnnuloplastyHeart NeoplasmsConstriction, PathologicCardiac Surgical ProceduresVenous PressureTime FactorsThrombosisFollow-Up StudiesEndocarditis, BacterialMesenteric Artery, SuperiorPulmonary Valve StenosisProsthesis ImplantationAnastomosis, SurgicalEndocarditisHeart Bypass, RightRetrospective StudiesScimitar SyndromeHeterotaxy SyndromeAnticoagulantsSubclavian VeinCatheter AblationEchocardiography, Doppler, ColorSitus InversusVascular DiseasesDogsHeart Septal Defects, AtrialPostoperative ComplicationsIncidental FindingsEquipment FailureBlood Vessel Prosthesis ImplantationPolytetrafluoroethyleneHemodynamicsVascular Surgical ProceduresPulmonary ArteryChordae TendineaeEchocardiography, DopplerConstrictionForeign-Body MigrationCardiovascular AbnormalitiesPericardiumStentsReoperationAtrial FlutterThrombectomyThrombophlebitisBlood Flow VelocityCardiopulmonary BypassEchocardiography, Three-DimensionalMesenteric VeinsHeart Septal DefectsRetroperitoneal Neoplasms