The Endocarditis Shortcut That Triples Your Risk of Relapse

Key Takeaway

A large randomized trial shows that stopping antibiotics early in stabilized left-sided endocarditis buys about 2 extra weeks off therapy without worsening a composite of death, surgery, or embolism. But relapse more than tripled, a signal too serious to ignore before abandoning standard 4-to-6-week courses.

The Afebrile Patient Who Wants to Go Home

Picture a 62-year-old man on day 16 of intravenous ampicillin for Enterococcus faecalis endocarditis of the mitral valve. His fever broke a week ago, and his blood cultures have been sterile since day 3. His C-reactive protein is drifting toward normal, and the repeat transesophageal echo shows a shrinking vegetation. He asks the question every endocarditis patient eventually asks: why another month? The honest answer has always been thin. The standard of up to 6 weeks for left-sided disease grew out of historical data and expert opinion, not randomized evidence^[2]. Endocarditis remains lethal,…