• Diagn. Microbiol. Infect. Dis. · Jun 2015

    Pneumocystis jirovecii in the air surrounding patients with Pneumocystis pulmonary colonization.

    • Solène Le Gal, Laurence Pougnet, Céline Damiani, Emilie Fréalle, Paul Guéguen, Michèle Virmaux, Séverine Ansart, Sylvain Jaffuel, Francis Couturaud, Aurélien Delluc, Jean-Marie Tonnelier, Philippe Castellant, Yann Le Meur, Gaétan Le Floch, Anne Totet, Jean Menotti, and Gilles Nevez.
    • University of Brest, LUBEM EA 3882, SFR 148, Brest, France; Laboratory of Parasitology and Mycology, Brest University Hospital, Brest, France. Electronic address: solene.legal@chu-brest.fr.
    • Diagn. Microbiol. Infect. Dis. 2015 Jun 1; 82 (2): 137-42.

    AbstractIn this study, Pneumocystis jirovecii was detected and characterized in the air surrounding patients with Pneumocystis pulmonary colonization. Air samples were collected in the rooms of 10 colonized patients using Coriolis® μ air sampler at 1m and 5m from the patient's head. P. jirovecii DNA was amplified and genotyped in pulmonary and air samples at the mitochondrial large subunit ribosomal RNA gene. P. jirovecii DNA was detected in 5 of the 10 air samples collected at 1m and in 5 of the 10 other air samples collected at 5m. P. jirovecii genotyping was successful in 4 pairs or triplets of air and pulmonary samples. Full genotype matches were observed in 3 of the 4 pairs or triplets of air and pulmonary samples. These results provide original data supporting P. jirovecii exhalation from colonized patients and emphasize the risk of P. jirovecii nosocomial transmission from this patient population. Copyright © 2015 Elsevier Inc. All rights reserved.

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