Antimicrobial susceptibilities of a Corynebacterium CDC group I1 strain isolated from a patient with endocarditis

Author:

Malanoski G J1,Parker R1,Eliopoulos G M1

Affiliation:

1. Division of Infectious Diseases, New England Deaconess Hospital, Boston, Massachusetts.

Abstract

We encountered a case of native valve endocarditis due to Corynebacterium CDC group I1 which was successfully controlled with antimicrobial agents alone. This organism and three other isolates of this group were susceptible to penicillin, vancomycin, and gentamicin. The combination of penicillin with subinhibitory concentrations of gentamicin resulted in a 1,000-fold decrease in CFU per milliliter at 24 h compared with penicillin alone. Augmentation of killing was noted also with vancomycin plus gentamicin but to a degree that did not meet strict criteria for bactericidal synergism.

Publisher

American Society for Microbiology

Subject

Infectious Diseases,Pharmacology (medical),Pharmacology

Reference13 articles.

1. Endocarditis due to Corynebacterium group G2;Austin G. E.;J. Infect. Dis.,1983

2. Corynebacterium xerosis endocarditis;Eliakim R.;Arch. Intern. Med.,1983

3. Four valve endocarditis caused by Corynebacterium CDC group 11;Farrer W.;South. Med. J.,1987

4. Postoperative prosthetic valve endocarditis due to Corynebacterium xerosis;Geraci J. E.;Mayo Clin. Proc.,1967

5. Diphtheroid endocarditis. Report of nine cases and a review of the literature;Gerry J. L.;Johns Hopkins Med. J.,1976

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