A patient with cyanotic congenital heart disease may have limited exercise capacity. Providing supplemental oxygen can improve exercise performance. Aerobic exercise can improve outcomes and can prevent deconditioning.
Patient selection: cyanotic congenital heart disease, in stable condition and should be cleared for exercise
Intervention: supplemental oxygen with FIO2 from 0.4 to 0.5
The patient should be monitored during the exercise (pulse, blood pressure, SpO2, etc) with a clinician present.
Improvements:
(1) maximal work rate
(2) endurance time
(3) SpO2 during exercise
(4) improved ventilatory efficiency for CO2 output
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