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Case Reports
. 2000 Dec;38(12):4640-2.
doi: 10.1128/JCM.38.12.4640-4642.2000.

Apparent culture-negative prosthetic valve endocarditis caused by Peptostreptococcus magnus

E R van der Vorm  1 , A M Dondorp, R J van Ketel, J Dankert
Affiliations
Case Reports

Apparent culture-negative prosthetic valve endocarditis caused by Peptostreptococcus magnus

E R van der Vorm et al. J Clin Microbiol. 2000 Dec.

Abstract

In two patients with prosthetic valve endocarditis due to Peptostreptococcus magnus, blood cultures in the BacT/Alert and BACTEC 9240 systems were signal negative. The capability of the BacT/Alert system to detect various Peptostreptococcus species was assessed. P. magnus and P. anaerobius could not be detected, and subcultures remained negative. The growth in conventional media of these two species and other Peptostreptococcus species was similar.

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