Mountains and Waves: Fontan Circulation in Different Environmental Conditions

Area of Science:

• Cardiology
• Pediatric Cardiology
• Congenital Heart Disease

Background:

• Improving medical care increases Fontan patient lifespan and quality of life.
• Fontan survivors desire participation in diverse leisure activities.
• Current guidelines lack clear recommendations for Fontan patients' activities.

Purpose of the Study:

• To review current research on Fontan patient activity participation.
• To provide evidence for less restrictive counseling regarding specific activities.
• To address physiological impacts of aquatic and high-altitude activities.

Main Methods:

• Literature review of physiological impacts.
• Summary of existing data on Fontan patients' activity experiences.
• Analysis of cardiovascular system responses.

Main Results:

• Fontan patients in good clinical condition tolerate aquatic activities, high-altitude stays, and air travel.
• No critical events reported in well-managed Fontan patients during these activities.
• Data gaps and limited experience necessitate further research.

Conclusions:

• Fontan patients may engage in a wider range of activities than currently advised.
• Less restrictive counseling is warranted for well Fontan survivors.
• Larger studies are needed to establish general recommendations.