• Twenty strains ofStreptococcus mitiswere isolated from blood or body fluids at the Cleveland Veterans Administration Medical Center from Jan 1,1981, to April 30,1984. Fifteen (75%) isolates were considered contaminants. Five (25%) were clinically important and associated with a serious infection of the oropharynx or gastrointestinal tract (three of five), endovascular system (one of five), or a prosthetic hip. Four of five patients required surgical intervention for treatment. Two of five died; one death was directly attributable toS mitisinfection. Eighteen strains were available for detailed bacteriologic study. Three strains had a minimum inhibitory concentration of greater than 0.1 μg/mL of penicillin and six other strains were tolerant to penicillin. This review suggests thatS mitiscan be an important pathogen in adults and may cause infections other than endocarditis. (Arch Intern Med1987;147:885-888)
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Brian A. Catto (1987) studied this question.