Ductus Arteriosus, PatentDuctus ArteriosusPatents as TopicTruncus Arteriosus, PersistentInfant, PrematureInfant, NewbornTruncus ArteriosusInfant, Premature, DiseasesForamen Ovale, PatentGestational AgePremature BirthPregnancySeptal Occluder DeviceObstetric Labor, PrematureIndomethacinCardiac CatheterizationHeart Defects, CongenitalPulmonary ArteryIbuprofenInfant, Very Low Birth WeightHeart MurmursEndarteritisLigationFetusUltrasonography, PrenatalFetal HeartHeart Septal Defects, AtrialProstheses and ImplantsRespiratory Distress Syndrome, NewbornHeart Septal Defects, VentricularEchocardiography, Doppler, ColorInfant, Low Birth WeightBronchopulmonary DysplasiaBalloon OcclusionInfant, Extremely Low Birth WeightIntensive Care Units, NeonatalEchocardiography, DopplerAortographyEchocardiographySheepAorta, ThoracicAbnormalities, MultipleEmbolization, TherapeuticTocolytic AgentsFetal Membranes, Premature RupturePulmonary CirculationBlood Flow VelocityPapio papioAortic CoarctationEnterocolitis, NecrotizingFetal DiseasesPregnancy OutcomeTreatment OutcomeCardiovascular Surgical ProceduresChorioamnionitisTocolysisAneurysmCardiovascular AgentsBirth WeightIntellectual PropertyRetrospective StudiesCardiac Surgical ProceduresFollow-Up StudiesProspective StudiesTerm BirthAnimals, NewbornPregnancy Trimester, ThirdPersistent Fetal Circulation SyndromeAngiographyAngiocardiographyHeart Septal DefectsHeart SeptumCyclooxygenase InhibitorsVena Cava, InferiorInfant, Extremely PrematurePulmonary Valve StenosisEisenmenger ComplexUltrasonography, DopplerOxygenEmbolism, ParadoxicalHypertension, PulmonaryOliguriaHyaline Membrane DiseaseAlprostadilAlloysDevelopmental DisabilitiesCardiovascular AbnormalitiesPulmonary AtresiaLower Extremity Deformities, CongenitalFetal Growth RetardationRecurrent Laryngeal Nerve InjuriesTime FactorsVascular MalformationsEquipment DesignTetralogy of FallotRisk FactorsAortaPhysiognomyPapioAnti-Inflammatory Agents, Non-Steroidal