title: Invited commentary.
authors.affiliation: Green Lane Pediatric and Congenital Cardiac Service, Starship Children's Hospital, Auckland, New Zealand. johnartrip@yahoo.com
authors.forename: John H
authors.initials: JH
authors.lastname: Artrip
mesh_terms: D001835:Body Weight; D002675:Child, Preschool; D015199:Extracorporeal Membrane Oxygenation; D005260:Female; D006333:Heart Failure / Q000601:surgery*; D016027:Heart Transplantation; D006353:Heart-Assist Devices; D006801:Humans; D007223:Infant; D008297:Male