| Anaerobic bacteria colonizing the lower airways in lung cancer patients. | |
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MedLine Citation:
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PMID: 21744326 Owner: NLM Status: In-Data-Review |
Abstract/OtherAbstract:
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Anaerobes comprise most of the endogenous oropharyngeal microflora, and can cause infections of airways in lung cancer patients who are at high risk for respiratory tract infections. The aim of this study was to determine the frequency and species diversity of anaerobes in specimens from the lower airways of lung cancer patients. Sensitivity of the isolates to conventional antimicrobial agents used in anaerobe therapy was assessed. Respiratory secretions obtained by bronchoscopy from 30 lung cancer patients were cultured onto Wilkins- -Chalgren agar in anaerobic conditions at 37°C for 72-96 hours. The isolates were identified using microtest Api 20A. The minimal inhibitory concentrations for penicillin G, amoxicillin/clavulanate, piperacillin/tazobactam, cefoxitin, imipenem, clindamycin, and metronidazole were determined by E-test. A total of 47 isolates of anaerobic bacteria were detected in 22 (73.3%) specimens. More than one species of anaerobe was found in 16 (53.3%) samples. The most frequently isolated were Actinomyces spp. and Peptostreptococcus spp., followed by Eubacterium lentum, Veillonella parvula, Prevotella spp., Bacteroides spp., Lactobacillus jensenii. Among antibiotics used in the study amoxicillin/clavulanate and imipenem were the most active in vitro (0% and 2% resistant strains, respectively). The highest resistance rate was found for penicillin G and metronidazole (36% and 38% resistant strains, respectively). The results obtained confirm the need to conduct analyses of anaerobic microflora colonizing the lower respiratory tract in patients with lung cancer to monitor potential etiologic factors of airways infections, as well as to propose efficient, empirical therapy. (Folia Histochemica et Cytobiologica 2011; Vol. 49, No. 2, pp. 263-266). |
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Authors:
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Pawel Rybojad; Renata Los; Marek Sawicki; Jacek Tabarkiewicz; Anna Malm |
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Publication Detail:
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Type: Journal Article |
Journal Detail:
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Title: Folia histochemica et cytobiologica / Polish Academy of Sciences, Polish Histochemical and Cytochemical Society Volume: 49 ISSN: 1897-5631 ISO Abbreviation: Folia Histochem. Cytobiol. Publication Date: 2011 |
Date Detail:
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Created Date: 2011-07-11 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8502651 Medline TA: Folia Histochem Cytobiol Country: Poland |
Other Details:
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Languages: eng Pagination: 263-6 Citation Subset: IM |
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