title: Invited commentary.
authors.affiliation: Paediatric Cardiac Surgery, Bristol Royal Hospital for Children, Upper Maudlin St, BristolBS2 8BJ, United Kingdom.
authors.forename: Andrew J
authors.initials: AJ
authors.lastname: Parry
mesh_terms: D000222:Adaptation, Physiological; D000818:Animals; D001166:Arteriovenous Shunt, Surgical / Q000009:adverse effects; D002302:Cardiac Output / Q000502:physiology*; D002908:Chronic Disease; D004195:Disease Models, Animal; D004285:Dogs; D006352:Heart Ventricles / Q000503:physiopathology*; D009200:Myocardial Contraction; D011312:Pressure / Q000009:adverse effects; D013318:Stroke Volume