Indications of surgery in right-sided infective endocarditis

TV (tricuspid valve) vegetation > 20 mm and recurrent septic pulmonary embolism with or without concomitant right heart failure

IE (infective endocarditis) caused by microorganisms that are difficult to eradicate (e.g. fungi) or bacteremia for at least 7 days (e.g. Staphylococcus aureus, Pseudomonas aeruginosa) despite adequate antimicrobial therapy

Right heart failure secondary to severe tricuspid regurgitation with poor response to diuretic therapy.