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KMID : 0384119940140020161
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Korean Journal of Clinical Pathology
1994 Volume.14 No. 2 p.161 ~ p.167
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Efficacy of Routine Anaerobic Blood Cultures
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Abstract
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Background:
@EN Recent reports have indicated a significant decrease in the incidence of anaerobic bacteremia and have questioned the need for routine anaerobic blood cultures. In this study, we reviewed blood culture data at a large university hospital to
examine
the incidence of anaerobic bacteremias and the role of routine anaerobic blood cultures for the recovery of clinically relevant organisms including facultative anaerobes.
@ES Methods:
@EN We analyzed data from routine blood cultures performed during the 19-month period from March 1, 1991 through September 30, 1992.
@ES Results:
@EN Of 26,986 sets of blood cultures obtained from 7,295 patients, 2,420 cultures(8,97%) from 1,200 patients(16.4%) were ture positive for aerobic and facultative anaerobic bacteria and fungi and 50 cultures(0.19%) from 31 patients(0.42%) were
positive
for anaerobes. Among the 2,420 non-anaerobic bacterial and fungal isolates, only 194(8.0%) grew in anaerobic vials only with the remaining 2,226 growing in aerobic vials only in both aerobic and anaerobic vials Regarding the time of detection,
only
5.4%
of the isolates that grew in both vials were isolated earlier in the anaerobic vials
@ES Conclusions:
@EN We conclude that the incidence of anaerobic bacteremia was too low and the role of anaerobic blood cultures in the recovery of aerobes and facultative anaerobes was too minimal to justify for the routine anaerobic blood cultures. Further
studies
seem to be warranted to identify the risk group of anaerobic bacteremia, which should allow selective rather than routine anaerobic blood cultures. (Korean J Clin Pathol 1994;14(2) : 161-7)
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