title: Invited commentary.
authors.affiliation: Paediatric Cardiac Surgery and Cardiology, Bristol Royal Hospital for Children, Upper Maudlin St, Bristol, BS2 8BJ United Kingdom. andrew.parry@uhbristol.nhs.uk
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Parry
authors.forename: Rob M R
authors.initials: RM
authors.lastname: Tulloh
mesh_terms: D006801:Humans; D006976:Hypertension, Pulmonary / Q000150:complications / Q000517:prevention & control* / Q000601:surgery*; D011651:Pulmonary Artery / Q000601:surgery*; D013318:Stroke Volume; D014188:Transposition of Great Vessels / Q000150:complications / Q000503:physiopathology / Q000601:surgery*; D016896:Treatment Outcome