Céline Damiani

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BACKGROUND Eighteen renal transplant recipients (RTRs) developed Pneumocystis jirovecii infections at the renal transplantation unit of Brest University Hospital (Brest, Brittany, France) from May 2008 through April 2010, whereas no cases of P. jirovecii infection had been diagnosed in this unit since 2002. This outbreak was investigated by identifying P.(More)
We retrospectively investigated 76 patients with cystic fibrosis for the presence of Pneumocystis jirovecii, by performing real-time PCR and nested-PCR assays on 146 archival sputum specimens. P. jirovecii was detected in only 1 patient (1.3%) showing that in our region (Brest, France), the fungus is rarely involved in pulmonary colonization in patients(More)
To the Editor: Diversity of genotypes among Pneumocystis jirovecii (human-specifi c Pneumocystis species) isolates mainly involves internal transcribed spacer (ITS) loci (1). Type Eg, one of the most frequently detected ITS genotypes, has been found worldwide (2). The locus of dihydropteroate synthase (DHPS) is also of interest because DHPS is the target of(More)
This study assessed a quantitative PCR (qPCR) assay for Pneumocystis jirovecii quantification in bronchoalveolar lavage (BAL) fluid samples combined with serum (1→3)-β-d-glucan (BG) level detection to distinguish Pneumocystis pneumonia (PCP) from pulmonary colonization with P. jirovecii. Forty-six patients for whom P. jirovecii was initially detected in BAL(More)
Archival Pneumocystis jirovecii specimens from 84 patients monitored at Rennes University Hospital (Rennes, France) were assayed at the dihydropteroate synthase (DHPS) locus. No patient was infected with mutants. The results provide additional data showing that P. jirovecii infections involving DHPS mutants do not represent a public health issue in(More)
Data on the prevalence of Pneumocystis jirovecii (P. jirovecii) dihydropteroate synthase (DHPS) mutants in France are still limited. In this study, mutant prevalence in the Brest region (western France) was determined. Archival pulmonary specimens from 85 patients infected with P. jirovecii and admitted to our institution (University Hospital, Brest) from(More)
The study described Pneumocystis jirovecii (P. jirovecii) multilocus typing in seven AIDS patients living in French Guiana (Cayenne Hospital) and seven immunosuppressed patients living in Brest, metropolitan France (Brest Hospital). Archival P. jirovecii specimens were examined at the dihydropteroate synthase (DHPS) locus using a PCR-RFLP technique, the(More)
This article describes positive (1 → 3)-β-D-glucan levels in serum from infants with primary Pneumocystis infection and from immunosuppressed patients with Pneumocystis pneumonia (PCP) and negative levels in serum from patients colonized by Pneumocystis jirovecii. Glucan detection is a complementary tool for the diagnosis of the diverse clinical(More)
In 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(More)