DilatationDilatation, PathologicGastric DilatationDilatation and CurettageCatheterizationEsophageal StenosisLabor Stage, FirstVasodilationEsophageal AchalasiaProventriculusBornaviridaeBrachial ArteryPulmonary Valve StenosisPulmonary ValveMarfan SyndromeMononegavirales InfectionsVentricular RemodelingArteriolesPsittaciformesConstriction, PathologicAortic ValveEchocardiographyAnti-Dyskinesia AgentsParrotsNitroglycerinAortic AneurysmEndothelium, VascularTricuspid Valve StenosisVasodilator AgentsCholedochal CystMitral Valve StenosisAortic Valve InsufficiencyFollow-Up StudiesBile Duct DiseasesRegional Blood FlowHydronephrosisPia MaterAortic DiseasesTime FactorsCardiomyopathy, DilatedTreatment OutcomeTracheal StenosisMegacolonMydriasisCholangiopancreatography, Endoscopic RetrogradeManometryTetralogy of FallotBlood Flow VelocityCerebral VentriclesEsophagoscopyHydrocephalusEsophagusTomography, X-Ray ComputedPancreatic DuctsCaroli DiseaseBlood PressurePregnancyBiliary TractRetrospective StudiesAortic CoarctationBile DuctsAortic Valve StenosisMydriaticsAorta, AbdominalCholangiographyFetal DiseasesEsophageal Sphincter, LowerColonic Pseudo-ObstructionHyperemiaMitral Valve InsufficiencyProspective StudiesTropicamideCystsHeart VentriclesAnastomosis, SurgicalHemodynamicsAortaFissure in AnoPulmonary ArteryCommon Bile DuctCervix UteriAngioplasty, BalloonPostoperative ComplicationsMitral ValveMyocardiumKidney PelvisPupilInfant, NewbornUltrasonography, PrenatalBasilar ArteryHypertrophy, Left VentricularRecurrenceColonic DiseasesBird DiseasesBiological FactorsAcetylcholineBurns, ChemicalBronchial DiseasesEndoscopyArteries