Detection of pathogenic Campylobacter species in blood culture systems

W. L.L. Wang, M. J. Blaser

Research output: Contribution to journalArticle

30 Scopus citations

Abstract

Because differences in recognition of Campylobacter fetus and Campylobacter jejuni in systemic infections may be due partially to differences in the ability to cultivate these organisms, we studied their growth characteristics in two widely used blood culture systems. In the Roche Septi-Chek system (Hoffman-La Roche, Inc., Nutley, N.J.), over a broad range of inocula all strains were detected in broth within 2 days and on paddles within 3 days. In the BACTEC 6B aerobic bottles (Johnston Laboratories, Inc., Towson, Md.), C. jejuni and C. fetus took a median of 5 and 3 days, respectively, to reach the growth index threshold. However, in the BACTEC 7D anaerobic bottles, C. fetus required a median of 2 days to reach the growth index threshold, whereas for C. jejuni the median was greater than 10 days. The poor performance of C. jejuni in both BACTEC systems may have been due to unfavorable incubation atmospheres and may partially explain why C. jejuni bacteremia is so infrequently detected. Overall, the Roche Septi-Chek system was excellent for detecting Campylobacter strains in blood cultures.

Original languageEnglish (US)
Pages (from-to)709-714
Number of pages6
JournalJournal of clinical microbiology
Volume23
Issue number4
DOIs
StatePublished - 1986

All Science Journal Classification (ASJC) codes

  • Microbiology (medical)

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