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KMID : 0829320140170020035
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Korean Journal of Clinical Microbiology
2014 Volume.17 No. 2 p.35 ~ p.41
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Clinical Usefulness of Routine Use of Anaerobic Blood Culture Bottle
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Song Sae-Am
Kim Ji-Hyun
Shin Jeong-Hwan
Kim Si-Hyun
Lee Nam-Yong
Kim Mi-Na
Kim Sun-Joo
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Abstract
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Background: Blood culture for diagnosis of bacteremia and fungemia comprises aerobic and anaerobic cultures. The clinical utility of routine anaerobic blood culture has been questioned for a long time and was evaluated in this study.
Methods: A total of 9,028 positive blood cultures were collected from adults at four university-affiliated hospitals. We recorded the species distribution according to growth in aerobic or anaerobic culture.
Results: Among the 9,028 positive results, 3,239 cases (35.9%) occurred in aerobic culture, 1,543 cases(17.1%) in anaerobic culture and 4,246 cases (47.0%) in both cultures. The species grown only in the anaerobic cultures consisted of 81.4% facultative anaerobes, 2.0% strict anaerobes, 8.5% strict aerobes, and 8.1% yeasts.
Conclusion: Routine use of paired aerobic/anaerobic blood culture is essential because a considerable number of facultative anaerobes and yeasts grow only in anaerobic blood culture. Strict aerobes and fungi were more commonly isolated in the anaerobic bottles than were strict anaerobes.
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KEYWORD
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Bacteremia, Blood culture, Fungemia, Isolation
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