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

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Abstract

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.

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Authors and Affiliations

  1. Fundación INCLÍNICA, Calvo Sotelo, 16-3° dcha, 33007, Oviedo, Spain

    Rafael Martínez-Girón & Andrés Ribas-Barceló

  2. Division of Community Health Sciences, St George’s, University of London, 6/F, Hunter Wing, Cranmer Terrace, London, SW17 0RE, UK

    Hugo Cornelis van Woerden

  3. Servicio de Anatomía Patológica, Hospital Universitario Central de Asturias, Celestino Villamil s/n, 33006, Oviedo, Spain

    Andrés Ribas-Barceló

  4. Marqués de San Esteban, 22-2°B, 33206, Gijon, Spain

    Rafael Martínez-Girón

Authors
  1. Rafael Martínez-Girón
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  2. Hugo Cornelis van Woerden
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  3. Andrés Ribas-Barceló
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Correspondence to Rafael Martínez-Girón.

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Martínez-Girón, R., van Woerden, H.C. & Ribas-Barceló, A. Experimental method for isolating and identifying dust mites from sputum in pulmonary acariasis. Exp Appl Acarol 42, 55–59 (2007). https://doi.org/10.1007/s10493-007-9076-z

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  • DOI: https://doi.org/10.1007/s10493-007-9076-z

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