Developmental outcomes and physical activity behaviour in children post major surgery: an observational study.

Background: Infants may be at neurodevelopmental risk from adverse events arising in the neonatal period. This study aimed to investigate the developmental outcomes and physical activity behaviours of term infants after neonatal major surgery, at age three years.

Methods: This prospective study enrolled infants who underwent major surgery in their first 90 days, between August 2006 and December 2008.