A clinical study of inhalant allergens in patients with allergic rhinitis

Authors

  • Suhas Y. Choudhari Department of ENT, Raichur Institute of Medical Sciences, Raichur, Karnataka, India
  • Aravind B. Sangavi Department of ENT, Raichur Institute of Medical Sciences, Raichur, Karnataka, India

DOI:

https://doi.org/10.18203/issn.2454-5929.ijohns20171197

Keywords:

Allergy, Allergens, CCD [Carbohydrate Cross-reactive Determinants], Allergic Rhinitis

Abstract

Background: The basis of diagnosis of allergy requires a good history and examination, however, the diagnosis cannot be confirmed on the basis of symptoms alone, because both allergic and non-allergic conditions can present with similar symptoms. Hence, allergy testing in the form of specific IgE (sIgE) measurement is an important aid in demonstrating both the presence and severity of such an allergy. The present study was undertaken to find out the common environmental allergens prevailing in Raichur causing allergic rhinitis, using carbohydrate cross reactive determinants (CCD), an in vitro test with high degree of sensitivity.

Methods: The present prospective study was conducted among 30 patients with allergic rhinitis. A detailed general andENT examination were done, X-ray ofPNS, CT scan ofPNS, diagnostic nasal endoscopy and nasal smear examination for eosinophils, absolute eosinophil count and serum IgE levels using  Euroimmun system of in vitro assay of specific IgE antibodies.  

Results: Allergy to dust mite, D. faranie, corn, carnation flower, sunflower, sheep wool and straw dust were the most frequent allergens causing allergic symptoms among patients in Raichur area.  Total serum IgE was elevated in all the patients, 60% were allergic to dust mite as found by anti CCD specific IgE.

Conclusions: Antibodies to dust mite D. faranie, rye, T. mothy grass was the commonest finding. Identification of inhalant allergens is an important factor in prevention and treatment of allergic rhinitis. 

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Published

2017-03-25

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Original Research Articles