Difetto Interatriale DIA - Difetto Settale Atriale DSA
L’incidenza dei DIA è di 1 caso su 1500 nati vivi con rapporto 2/1 nelle femmine rispetto ai maschi. I DIA tipo ostium secundum rappresentano l’80% dei casi ed hanno un rischio sindromico basso; dai dati postnatali il DIA può associarsi alle seguenti sindromi: Holt-Oram; Ellis Van Creveld; Alagille; Noonan (K.Lyon Jones, 1997).Il rischio di aneuploidie è tra il 5-15% con maggior incidenza della Trisomia 21. In caso di sospetto prenatale di DIA è necessario effettuare accurati controlli ecografici alla ricerca di malformazioni associate e programmare una consulenza genetica. Alla nascita andrà fatta una ecocardiografia di verifica diagnostica. In assenza di altre anomalie non vi è necessità di parto in struttura di III livello per l'assenza di emergenze circolatorie neonatali non essendovi dotto-dipendenza (Paladini et al., 2021).
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