Physical Activity Measured Through Accelerometers and Its Association With Endothelial Function in Young Patients With Fontan Physiology

This study will be a cross sectional assessment of physical activity as measured through accelerometers and its association with endothelial function of children with Fontan circulation and healthy age and gender matched controls who are followed at the University of Alberta - Stollery Children's hospital.

Inclusion Criteria:

1. Children with Fontan physiology between the ages 24 months to 18 years at the Stollery Children's Hospital
2. Informed written consent obtained prior to enrolment
3. At least 6 months post Fontan procedure

Exclusion Criteria:

1. Patient hospitalized within the previous 2 weeks
2. Patient unable to ambulate independently
3. Underwent coarctation of the aorta repair using a subclavian flap.