Infective endocarditis (IE), also called bacterial endocarditis (BE), is an infection caused by bacteria that enter the bloodstream and settle in the heart lining, a heart valve or a blood vessel. IE is uncommon, but people with some heart conditions have a greater risk of developing it.
In the past, patients with nearly every type of congenital heart defect needed to receive antibiotics one hour before dental procedures or operations on the mouth, throat, gastrointestinal genital, or urinary tract. However, in 2007 the American Heart Association simplified its recommendations. Today, antibiotics before dental procedures are only recommended for patients with the highest risk of Infective Endocarditis,
Preventive antibiotics are no longer recommended for any other congenital heart disease than these: