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  • Title: [Aspergillus spp. isolations from respiratory tract samples in Trakya University Hospital].
    Author: Gürcan S, Demir M, Altiay G, Tikveşli M, Kiliç H, Otkun M.
    Journal: Tuberk Toraks; 2007; 55(2):160-6. PubMed ID: 17602344.
    Abstract:
    The characteristics of cases diagnosed as aspergillosis and Aspergillus spp. strains isolated from the respiratory tract samples in Mycology Laboratory of Trakya University Hospital between January 2002 and May 2006 were investigated. In this period, 137 bronchoalveolar lavages, 95 sputum, nine tracheal aspirates, three lung biopsies and one bronchial biopsy of 85 patients were processed. The samples were incubated in 25 degrees C and 35 degrees C media by culturing on brain heart infusion agar with blood and Sabouraud dextrose agar. Presence of leucocytes and fungal structures were searched in the smear stained by Gram and Giemsa. The patient was defined as probable aspergillosis case, if he/she patient had clinical findings, lung infiltration or fungus ball radiologically, at least one risk factor predisposing to aspergillosis and isolation of Aspergillus spp. in lower respiratory tract samples without finding of other nonmycotic infection. Of 22 patients isolated Aspergillus spp., 13, six, two, one were internalized in chest diseases, haemotology, neurosurgery and oncology clinics, respectively. Seven positive cultures were considered as findings of aspergillosis. Aspergillus fumigatus, Aspergillus flavus and Aspergillus niger were isolated in three, two, and two patients, respectively. Fungal structures were detected in only one sample in the direct microscopical examination. Ages of seven patients, five were males and two were females, were between 15 and 60. Predisposing risk factors were acute leukemia in six patients and lung cancer in one patient. Five patients were neutropenic and one was neutrophylic. Fungus ball was detected in radiological imaging of one patient, had a pulmonary cavitary lesion. Conventional amphotericine B was used in their therapies. Antifungal agents were switched to caspofungin and itraconazole in two and one patients, respectively. Three patients died in four weeks after isolation of Aspergillus spp. Aspergillosis cases were not high in our hospital because of absence of transplantation center for bone marrow or solid organ.
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