Cardiac rehabilitation in adults with congenital heart disease: care situation, barriers, and patient-reported outcomes.

Only 24.2% actively searched for information about cardiac rehabilitation and reported poorer health status compared with those who did not search.

The majority preferred receiving information during personal physician consultations (86.3%).

Adults with congenital heart disease-specific cardiac rehabilitation programmes were known to only 32.8%.

Only 31.5% knew how to apply for cardiac rehabilitation, and the process was predominantly perceived as difficult.