“Treat-to-close”: Non-repairable ASD-PAH in the adult: Results from the North American ASD-PAH (NAAP) Multicenter Registry

•Adults with an unrepaired ASD and non-Eisenmenger’s PAH with non-correctable shunts often have a robust response to medical therapy•A subset of adults with non-correctable ASD-PAH on medical therapy can safely undergo ASD repair•Late ASD repair in adults with significant PAH on medical therapy was associated with better long-term right heart function and a trend toward improved survival