The Wisconsin Pediatric Cardiac Registry: a mechanism for exploring etiologies of congenital heart defects.

On January 1, 2000, the Wisconsin Pediatric Cardiac Registry began registering families of infants born with a congenital heart defect (CHD) in Wisconsin. Pediatric cardiologists across the state developed the Registry as a database and as a research study exploring potential etiologies of CHDs. Participating pediatric cardiologists identify the infants and refer families to the Registry.