Since the previous version of the Guidelines on the management of grown-up congenital heart disease (CHD) was published in 2010, new evidence has accumulated for this patient group, particularly on percutaneous interventional techniques and risk stratification with regard to timing of surgery and catheter intervention, as well asmedical treatment. This made a revision of the recommendations necessary.

Decision making in ACHD involves accurate diagnosis, timing of intervention, risk assessment, and selection of the most suitable type of intervention. In addition, specific aspects of medical treatment for conditions such as heart failure, pulmonary hypertension (PH), and anticoagulation are addressed.