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Experimental method for isolating and identifying dust mites from sputum in pulmonary acariasis

Martínez-Girón, Rafael, Van Woerden, Hugo C. and Ribas-Barceló, Andrés 2007. Experimental method for isolating and identifying dust mites from sputum in pulmonary acariasis. Experimental and Applied Acarology 42 (1) , pp. 55-59. 10.1007/s10493-007-9076-z

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The aim of this study was to pilot a simpler and more effective method for identifying dust mites in sputum. Dust mites and their allergens have been implicated in respiratory diseases, including pulmonary acariasis, and several studies have identified mites in sputum. Further research is dependent on the development of a faster and simpler diagnostic test. We have demonstrated that dust mites artificially introduced into sputa, could be identified after the sputa were liquefied with bleach, when the liquid sample was observed under the microscope. Liquefaction times for serous, mucous, purulent and hemoptoic sputa varied from 10 to 30 min (mean 17.5). The test had a sensitivity of 80% (95% CI 68.2–88.2%) as 46/60 mites were identified. This procedure can be performed quickly at room temperature, is simple, inexpensive, repeatable, and less labourious than previous methods.

Item Type: Article
Date Type: Publication
Status: Published
Schools: Medicine
Subjects: Q Science > QR Microbiology
R Medicine > RC Internal medicine
Uncontrolled Keywords: Dust mites; Dermatophagoides; Sputum liquefaction; Bleach; Diagnostic test
Publisher: Springer
ISSN: 0168-8162
Last Modified: 06 Jul 2023 01:33

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