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. 2012 Sep;65(3):262-8.
doi: 10.1016/j.jinf.2012.05.001. Epub 2012 May 9.

Concurrent lung infections in patients with hematological malignancies and invasive pulmonary aspergillosis: how firm is the Aspergillus diagnosis?

Sarah P Georgiadou  1 , Dimitrios P Kontoyiannis
Affiliations

Concurrent lung infections in patients with hematological malignancies and invasive pulmonary aspergillosis: how firm is the Aspergillus diagnosis?

Sarah P Georgiadou et al. J Infect. 2012 Sep.

Abstract

Background: Immunocompromised patients with hematological malignancies and/or recipients of hematopoietic stem cell transplants are constantly exposed to several fungal, bacterial, and viral respiratory pathogens.

Methods: We retrospectively evaluated all patients with invasive pulmonary aspergillosis (IPA) and underlying hematological malignancies for the presence of concurrent, microbiologically documented pulmonary infections during a 5-year period (2005-2010).

Results: We found 126 such patients that frequently had coinfections (49%) with respiratory pathogens other than Aspergillus species, with a higher rate in patients with probable IPA (53%) than in those with proven IPA (29%; P=0.038).

Conclusions: As the majority of patients with IPA in daily practice have probable IPA, often according to only the combination of positivity for serological biomarkers and radiological findings, our data may raise skepticism about both the certainty of IPA diagnosis and the evaluation of response to antifungals in a subset of these patients.

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Conflict of interest statement

Conflicts of interest disclosures. D.P.K. has received research support and honoraria from Pfizer, Astellas Pharma US, Gilead Inc, and Merck and Co., Inc. S.P.G.: no conflicts.

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