DilatationDilatation, PathologicGastric DilatationDilatation and CurettageCatheterizationEsophageal StenosisVasodilationLabor Stage, FirstEsophageal AchalasiaProventriculusBornaviridaeBrachial ArteryPulmonary Valve StenosisPulmonary ValveConstriction, PathologicAortic AneurysmMarfan SyndromeArteriolesMononegavirales InfectionsTime FactorsEndothelium, VascularVentricular RemodelingFollow-Up StudiesAneurysm, DissectingPsittaciformesEchocardiographyAortic ValveTreatment OutcomeNitroglycerinAnti-Dyskinesia AgentsVasodilator AgentsRegional Blood FlowParrotsStentsCoronary VesselsTomography, X-Ray ComputedTricuspid Valve StenosisCholedochal CystMitral Valve StenosisAortic Valve InsufficiencyAortic DiseasesUltrasonography, InterventionalBile Duct DiseasesTracheal StenosisHydronephrosisBlood Flow VelocityEsophagusPia MaterManometryCardiomyopathy, DilatedBlood PressurePregnancyAngioplasty, BalloonAorta, AbdominalMegacolonMydriasisRetrospective StudiesAortographyCerebral VentriclesArteriesEsophagoscopyCholangiopancreatography, Endoscopic RetrogradeProspective StudiesPancreatic DuctsRecurrenceBile DuctsTetralogy of FallotBiliary TractCystsHydrocephalusAortaCoronary AngiographyAnastomosis, SurgicalCaroli DiseaseAortic CoarctationHyperemiaHemodynamicsAorta, ThoracicAortic Valve StenosisDisease Models, AnimalPostoperative ComplicationsMicroscopy, ElectronPulmonary ArteryBronchographyMydriaticsAngiographyCholangiographyHeart VentriclesPerfusionVascular ResistanceFetal DiseasesEsophageal Sphincter, LowerMyocardiumDogsColonic Pseudo-ObstructionAcetylcholineTunica IntimaPressureMitral Valve InsufficiencyCervix Uteri