Incidence of Infective Endocarditis due to Viridans Group Streptococci Before and After Publication of the 2007 American Heart Association's Endocarditis Prevention Guidelines

Study Questions:

Has the 2007 revision in the American Heart Association (AHA) guidelines for antibiotic prophylaxis against infective endocarditis (IE) resulted in a change in incidence of viridans group streptococcus (VGS)-IE?