Ventricular Outflow ObstructionTripelennamineCardiomyopathy, HypertrophicEchocardiographyHeart VentriclesAortic ValvePulmonary ValveMitral ValveUrethral ObstructionAortic Valve StenosisHeart SeptumUrinary Bladder Neck ObstructionHepatic VeinsAortic Stenosis, SubvalvularIntestinal ObstructionPulmonary Valve StenosisVenous ValvesHeart Valve DiseasesAirway ObstructionBudd-Chiari SyndromeTetralogy of FallotHeart Defects, CongenitalHeart Septal Defects, VentricularAortic Valve InsufficiencyUreteral ObstructionHeart NeoplasmsPulmonary Valve InsufficiencyVentricular Premature ComplexesMitral Valve InsufficiencyTricuspid ValveCardiac CatheterizationIliac VeinTreatment OutcomeCatheterizationBioprosthesisVenous InsufficiencyPulmonary Subvalvular StenosisPhlebographyEchocardiography, TransesophagealPostthrombotic SyndromeTransposition of Great VesselsElectrocardiographyCatheter AblationTachycardia, VentricularFollow-Up StudiesCardiac Surgical ProceduresEchocardiography, DopplerVena Cava, InferiorVenous PressureUrinary RetentionMitral Valve StenosisHemodynamicsRetrospective StudiesHypoplastic Left Heart SyndromeConstriction, PathologicHeart Valve Prosthesis ImplantationMitral Valve ProlapseSinus of ValsalvaPulmonary AtresiaDuodenal ObstructionVentricular SeptumPostoperative ComplicationsHeart Valve ProsthesisVentricular Function, RightVentricular Dysfunction, RightDiscrete Subaortic StenosisFemoral Vein