Ductus Arteriosus, PatentDuctus ArteriosusTruncus Arteriosus, PersistentBlood VesselsInfant, NewbornInfant, PrematureIndomethacinTruncus ArteriosusPulmonary ArteryInfant, Premature, DiseasesCardiac CatheterizationSeptal Occluder DeviceIbuprofenHeart MurmursHeart Defects, CongenitalEndarteritisLigationGestational AgeEchocardiography, Doppler, ColorHeart Septal Defects, VentricularProstheses and ImplantsFetusPregnancyEchocardiographyPulmonary CirculationFetal HeartInfant, Very Low Birth WeightAorta, ThoracicBalloon OcclusionEchocardiography, DopplerAortographyAortic CoarctationSheepEmbolization, TherapeuticUltrasonography, PrenatalBlood Flow VelocityPapio papioAbnormalities, MultipleCardiovascular Surgical ProceduresCardiovascular AgentsInfant, Extremely Low Birth WeightFetal DiseasesTreatment OutcomeAneurysmRespiratory Distress Syndrome, NewbornPersistent Fetal Circulation SyndromeCyclooxygenase InhibitorsVentricular Function, LeftAnimals, NewbornHypertension, PulmonaryCardiac Surgical ProceduresAortaBronchopulmonary DysplasiaAlprostadilOxygenLower Extremity Deformities, CongenitalLymphatic VesselsVasoconstrictionEisenmenger ComplexOliguriaAngiocardiographyIntensive Care Units, NeonatalRetinal VesselsHemodynamicsHeart SeptumMuscle, Smooth, VascularAngiographyEnterocolitis, NecrotizingAlloysPulmonary Valve StenosisRecurrent Laryngeal Nerve InjuriesRetrospective StudiesHeart Septal DefectsHeart Septal Defects, AtrialPulmonary AtresiaTocolysisPhysiognomyAortic Arch SyndromesFollow-Up StudiesEquipment DesignTetralogy of FallotAnti-Inflammatory Agents, Non-SteroidalInfant, Low Birth WeightVascular MalformationsTime FactorsCatheterizationSubclavian ArteryHypoplastic Left Heart SyndromeTranscription Factor AP-2Pulmonary ValveVascular ResistancePregnancy Trimester, ThirdVasodilationThoracotomyNeovascularization, PhysiologicPapioUltrasonography, DopplerCoronary VesselsVentricular Dysfunction, LeftTocolytic Agents