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Early bacterial genome detection in body fluids from patients with severe sepsis: a pilot study.

Abstract : PURPOSE: The purpose of this study is to evaluate the feasibility and interest of real-time polymerase chain reaction (RT-PCR) testing for bacterial genomes in body fluids other than blood in patients with acute severe sepsis. METHODS: Twenty-six consecutive patients admitted for severe sepsis or septic shock were prospectively studied. Body fluids were sampled as clinically indicated and tested using standard microbiological methods and modified RT-PCR methods (universal PCR and specific PCRs). Results of standard microbiological tests were compared with those of PCR tests. RESULTS: Direct RT-PCR testing was successfully performed on all nonblood body fluids. Of 29 body fluids collected, 23 were positive for at least 1 microorganism with conventional tests. Of 18 microbiological tests positive for a single microorganism, 15 fully agreed with RT-PCR assays, and the remaining 3 samples were infected with bacteria not screened by PCR testing. Among the 5 polymicrobial results obtained with conventional tests, RT-PCR agreed in 4 patients. The RT-PCR tests allowed additional clinically relevant bacterial identification in 3 of 6 samples with negative microbiological culture. CONCLUSIONS: Our results indicate that direct PCR testing may improve the detection of bacteria in body fluids other than blood in patients with acute severe sepsis.
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https://hal-unilim.archives-ouvertes.fr/hal-00738852
Contributeur : Sophie Raherison <>
Soumis le : vendredi 5 octobre 2012 - 11:53:42
Dernière modification le : lundi 22 janvier 2018 - 11:12:37

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Anthony Dugard, Delphine Chainier, Olivier Barraud, Fabien Garnier, Marie-Cécile Ploy, et al.. Early bacterial genome detection in body fluids from patients with severe sepsis: a pilot study.. Journal of Critical Care, WB Saunders, 2012, 27 (4), pp.416.e1-6. ⟨10.1016/j.jcrc.2011.11.005⟩. ⟨hal-00738852⟩

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