Improving Functional Capacity in Fontan Patients Through Inspiratory Muscle Training

Exclusion Criteria

• •Status post cardiac transplantation
• •Current pregnancy or plans to become pregnant within the next 3 months (for females of childbearing potential)
• •Active respiratory infection
• •Active cigarette smoker
• •Baseline oxygen saturation \<90% at the previous clinic visit or exercise test
• •Forced expired volume in 1 s and/or vital capacity \<60% of predicted at the previous exercise test
• •Cardiac surgery or catheter-based procedure in the preceding 18 months or planned surgery or catheter-based procedure within the next 3 months