The changes in biventricular remodelling and function after atrial septal defect device closure and its relation to age of closure.

With regard to the mean RV free wall LS at the baseline, the adult group (G2) had a highly significant lower level than the children and adolescent group (G1) ( P < 0.001, Table 5 ) with a significant reduction after 24 h in both groups (RV free wall LS: G1-Δ1 − 2.93 ± 0.92%, P = 0.003; G2-Δ1 − 2.50 ± 1.01%, P = 0.026).

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