title: Long-term results following surgical closure of secundum atrial septal defect.
mesh_terms: D000293:Adolescent; D000328:Adult; D000367:Age Factors; D001145:Arrhythmias, Cardiac / Q000209:etiology; D002648:Child; D004562:Electrocardiography; D005260:Female; D005500:Follow-Up Studies; D006344:Heart Septal Defects, Atrial / Q000601:surgery*; D006801:Humans; D006973:Hypertension / Q000209:etiology / Q000503:physiopathology; D008297:Male; D011183:Postoperative Complications / Q000453:epidemiology*; D011651:Pulmonary Artery / Q000503:physiopathology; D013997:Time Factors