Teicoplanin, a new glycopeptide antibiotic, has been used to treat twelve patients with bacterial endocarditis due to Gram-positive organisms. Teicoplanin has activity against Gram-positive bacteria similar to vancomycin but therapeutic levels are maintained by a single daily dose, given as an intravenous bolus. Of six patients with native valve infections, two cases, due to viridans streptococci, were successfully treated with teicoplanin alone and two others, caused by Streptococcus faecalis, were cured by combinations including teicoplanin. One of these patients sustained high tone hearing loss during treatment. The remaining two patients were drug addicts with endocarditis due to Staphylococcus aureus which recurred despite repeated multiple therapy. Of six prosthetic valve infections, antibiotic combinations including teicoplanin cured three cases, caused by streptococci. Infection persisted or treatment was curtailed in three cases of Staphylococcus epidermidis endocarditis. In this small open study, teicoplanin appeared as effective as vancomycin in the treatment of endocarditis but had the considerable advantage of ease of administration.
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