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Published online by Cambridge University Press: 11 September 2025
The Occlutech Atrial Flow Regulator is a self-expandable double-disc nitinol device with a central fenestration designed to create a calibrated communication across the interatrial septum. It has been used in adult patients with heart failure and pulmonary hypertension. Its use in the paediatric population or adults with CHD has been published in several case reports and case series. This study aims to review the potential, efficacy, and safety of this device in the paediatric and adult populations living with CHD, as well as in paediatric patients with pulmonary hypertension or advanced heart failure.