Hoffmann, R. A wiki for the life sciences where authorship matters. Nature Genetics (2008)

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Lass-Flörl, C. et al.

Lass-Flörl, Speth, Mayr, Würzner, Dierich, Ulmer, Dietrich,

Diagnosing and monitoring of invasive aspergillosis during antifungal therapy by polymerase chain reaction: an experimental study in mice.

This study evaluated the value of polymerase chain reaction (PCR) for diagnosing and monitoring of invasive aspergillosis during amphotericin B therapy. PCR, microscopy and culture of tissues samples (n = 126) and blood samples (n = 78) of experimentally infected mice (n = 42) were performed. The PCR results of treated were compared to those of untreated animals; Aspergillus fumigatus and A. terreus were used in this study. In the amphotericin B treated group the sensitivities of PCR, microscopic examination and culture of the various tissues were 69, 58, and 53%, respectively; the specificities of all examinations were 100%. In the untreated group the sensitivities of PCR, microscopic examination, and culture were 72, 64, and 57%, respectively; the specificities of all examinations were 100%. The 78 blood samples taken from mice under therapy were tested by PCR over a period of 8 days following Aspergillus infection. The test sensitivity was 77%, the specificity 46%, the positive predictive value 59%, and the negative predictive value 67%. In the untreated group the sensitivity was 92%, the specificity 46%, the positive predictive value 63%, and the negative predictive value 86%. The results suggest that this PCR method has possible clinical value for improving the diagnosis of invasive Aspergillus infection. Monitoring of blood under antifungal therapy is not recommended.[1]

References

Diagnosing and monitoring of invasive aspergillosis during antifungal therapy by polymerase chain reaction: an experimental study in mice. Lass-Flörl, C., Speth, C., Mayr, A., Würzner, R., Dierich, M.P., Ulmer, H., Dietrich, H. Diagn. Microbiol. Infect. Dis. (2003) [Pubmed]

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