• Twenty strains of Streptococcus mitis were 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 to S mitis infection. 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 that S mitis can be an important pathogen in adults and may cause infections other than endocarditis.
(Arch Intern Med 1987;147:885-888)
Catto BA, Jacobs MR, Shlaes DM. Streptococcus mitis: A Cause of Serious Infection in Adults. Arch Intern Med. 1987;147(5):885–888. doi:10.1001/archinte.1987.00370050081014
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