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2. Uncovering the Unseen: Bordetella hinzii Emerges in a Lung Transplant Recipient

Author

Vulturar, Damiana-Maria, primary, Pilmis, Benoît, additional, Rouzaud, Claire, additional, Gigandon, Anne, additional, Dauriat, Gaëlle, additional, Feuillet-Soummer, Séverine, additional, Moaca, Liviu-Stefan, additional, Fadel, Elie, additional, Mercier, Olaf, additional, Fabre, Dominique, additional, Lortholary, Olivier, additional, and Le Pavec, Jérôme, additional

Published
2024
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5. Risk of Lung Allograft Dysfunction Associated With Aspergillus Infection

Author

Le Pavec, Jérôme, primary, Pradère, Pauline, additional, Gigandon, Anne, additional, Dauriat, Gaëlle, additional, Dureault, Amélie, additional, Aguilar, Claire, additional, Henry, Benoît, additional, Lanternier, Fanny, additional, Savale, Laurent, additional, Dolidon, Samuel, additional, Gazengel, Pierre, additional, Mussot, Sacha, additional, Mercier, Olaf, additional, Husain, Shahid, additional, Lortholary, Olivier, additional, and Fadel, Elie, additional

Published
2021
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7. Evaluation of a New Histoplasmaspp. Quantitative RT-PCR Assay

Author

Alanio, Alexandre, Gits-Muselli, Maud, Lanternier, Fanny, Sturny-Leclère, Aude, Benazra, Marion, Hamane, Samia, Rodrigues, Anderson Messias, Garcia-Hermoso, Dea, Lortholary, Olivier, Dromer, Françoise, Bretagne, Stéphane, Woimant, Marine Gosset, blanchard, Geneviève, Silhadi, Souad, Vignier, Nicolas, Pitsch, Aurelia, Jidar, Kaoutar, Traversier, Nicolas, Poisson, Didier, Lecointre, Claire, Foulet, Françoise, Botterel, Françoise, Ammar, Nawel Ait, Amsellem, Gabriel, Frederic, Poirier, Philipe, Cornu, Marjorie, Loridant, Severine, Morio, Florent, Boutoille, David, Jeddi, Fakhri, Hasseine, Lilia, Ouissa, Rachida, Toubas, Dominique, Bailly, Eric, Désoubeaux, Guillaume, Ronez, Emily, Foulon, Guillaume, Lefrançois, Sebastien, Bonnal, Christine, Paugam, André, Dougados, Maxime, Desroches, Marine, Barazzutti, Hélène, Paleiron, Nicolas, rabodonirina, Meja, Catherinot, Emilie, Cardot-Martin, Emilie, Hiesse, Chrisian, Salvator, Hélène, Aguilar, Claire, Gigandon, Anne, de Montpreville, Thomas, Bougnoux, Marie-Elisabeth, Sitterlé, Emilie, Fekkar, Arnaud, Imbert, Sébastien, Bleibtreu, Alexandre, Senghor, Yaye, Denis, Blandine, Molina, Jean-Michel, Liegeon, Geoffroy, Munnier, Anne-Lise, Malphettes, Marion, Denis, Julie, Berlioz-Arthaud, Alain, Lange, Franciska, Chiaruzzi, Myriam, and Epelboin, Loic

Abstract

Laboratory diagnosis of histoplasmosis is based on various methods, including microscopy, culture, antigen, and DNA detection of Histoplasma capsulatumvar. capsulatumor Histoplasma capsulatumvar. duboisii. To improve sensitivity of existing real-time quantitative PCR (qPCR) assays, we developed a new RT-qPCR assay that allows amplification of whole nucleic acids of Histoplasmaspp. validated on suspected cases. The limit of detection was 20 copies, and the specificity against 114 fungal isolates/species was restricted to Histoplasmaspp. Whole nucleic acids of 1319 prospectively collected consecutive samples from 907 patients suspected of having histoplasmosis were tested routinely between May 2015 and May 2019 in parallel with standard diagnostic procedures performed in parallel. Forty-four had proven histoplasmosis attributable to H. capsulatumvar. capsulatum(n= 40) or H. capsulatumvar. duboisii(n= 4) infections. The results of RT-qPCR were positive in 43 of 44 patients (97.7% sensitivity) in at least one specimen. Nine of 863 cases (99% specificity) were RT-qPCR positive and therefore classified as possible cases. RT-qPCR was positive in 13 of 30 (43.3%) blood samples tested in proven cases. A positive RT-qPCR result in blood was significantly associated with H. capsulatumvar. capsulatumprogressively disseminated histoplasmosis with a positive RT-qPCR result in 92.3% of the immunocompromised patients with disseminated disease. This new HistoplasmaRT-qPCR assay enabling amplification of H. capsulatumvar. capsulatumand H. capsulatumvar. duboisiiis highly sensitive and allows the diagnosis of histoplasmosis advantageously from blood and bronchoalveolar lavage fluid.

Published
2021
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