Comparison of Methods for Isolation of Anaerobic Bacteria from Clinical Specimens
AUTOR(ES)
Rosenblatt, Jon E.
RESUMO
Five different anaerobic culture methods and several different media were compared for their ability to recover anaerobes from clinical specimens. Specimens were obtained from patients with documented infections, avoiding contamination with normal flora, and immediately placed in an anaerobic transporter. Each specimen was cultured by all methods and on all the various media. The comparative data indicate that anaerobic jars (GasPak and evacuation-replacement types) are just as effective in the recovery of clinically significant anaerobes as the more complex roll-tube and chamber methods employing prereduced media. Liquid media were disappointing as a „back-up” system but chopped-meat glucose was superior to two thioglycolate formulations. Growth of all anaerobes was poorer on selective media, but these media were very helpful in the workup of specimens containing mixed growth of anaerobic and facultative organisms. A variety of different anaerobes was isolated, but no very fastidious or extremely oxygen-sensitive organisms were recovered. This suggests that such organisms may not play a significant role in causing clinical infections.
ACESSO AO ARTIGO
http://www.pubmedcentral.nih.gov/articlerender.fcgi?artid=380739Documentos Relacionados
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