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  • Title: Percutaneous closure of atrial septal defect in adults: very long-term clinical outcome and effects on aortic and mitral valve function.
    Author: Scacciatella P, Marra S, Pullara A, Conrotto F, Marchetti M, Ferraro G, Pavani M, Biasco L, Bongiovanni D, Gaita F, Orzan F.
    Journal: J Invasive Cardiol; 2015 Jan; 27(1):65-9. PubMed ID: 25589703.
    Abstract:
    AIM: To investigate the very long-term clinical outcomes of atrial septal defect (ASD) percutaneous closure in adult patients and to evaluate the 12-month effects of the device on aortic and mitral valve function. METHODS: Over a 12-year period, a total of 110 consecutive patients underwent percutaneous ASD closure. A yearly clinical follow-up was conducted and any adverse event was recorded. In a 55-patient echocardiographic subgroup, the baseline and 12-month aortic and mitral regurgitation rate was recorded. RESULTS: Mean age was 50.9 ± 17 years and 75% of patients were female. Mean ASD echocardiographic dimension was 17.6 ± 6.2 mm (range, 5-36 mm). Procedural success rate was 97%. After a mean follow-up of 61.8 ± 34.9 months (range, 6-167 months), all-cause death occurred in 2 patients (1.8%) and the composite primary outcome of major adverse cardiovascular event (MACE) occurred in 5 patients (4.5%): 2 non-device related cardiac deaths occurred and 3 surgeries were required. The Kaplan-Meier analysis showed an event-free survival at 140 months of 90%. In the 12-month echocardiographic substudy, no case of significant (moderate or severe) new-onset aortic regurgitation was detected, while 1 case (1.8%) of worsening mild-to-moderate aortic regurgitation was described (P=.90). No case of significant new-onset or worsening mitral regurgitation was noted. No patient needed aortic or mitral surgical repair at very long-term follow-up. CONCLUSIONS: Transcatheter ASD closure is a safe procedure with satisfactory very long-term clinical outcomes. The ASD device does not significantly affect aortic and mitral valve function.
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