Heart Septal Defects, AtrialSeptal Occluder DeviceCardiac CatheterizationEchocardiography, TransesophagealProstheses and ImplantsAtrial SeptumProsthesis ImplantationPhonocardiographyBalloon OcclusionHeart SeptumTherapeutic OcclusionHeart Defects, CongenitalEchocardiographyPulmonary Valve StenosisForeign-Body MigrationCardiac Surgical ProceduresTreatment OutcomeFollow-Up StudiesHeart AtriaRetrospective StudiesElectrocardiographyPostoperative ComplicationsAge Factors