The level of free hemoglobin, eosinophilic cationic protein and eosinophils in nasal secret in patients with allergic and infectious rhinitis



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Abstract

Background. Allergic rhinitis manifestates as the local inflammation with minimum pathophysiological disorders.
Revealing of local inflammatory markers in nasal secret is actual problem.
The aim: to detect the levels of free hemoglobin, eosinophilic cationic protein and eosinophils in nasal secret in
patients with allergic rhinitis and infectious rhinitis.
Materials and methods. 60 patients with allergic rhinitis and 30 patients with infectious rhinitis were observed.
The diagnosis and severity of disease were rated in conformity with international standards.
Results. Mean level of free hemoglobin in patients with allergic rhinitis was significantly higher in comparison
with the group of infectious rhinitis and had compiled 55,9 mkg/ml and 6,1 mkg/ml. The quantity of eosinophils
more than 10% was observed in 43,9% of cases in patients with allergic rhinitis and in 11,1% in patients with
infectious rhinitis. Frequency of elevated level of eosinophilic cationic protein in patients with allergic rhinitis
has made 87,9%, in comparison with infectious rhinitis where it corresponded to 28%. The highest sensitivity
(87,9%) was found in method of definition of eosinophilic cationic protein. Method of free hemoglobin's
definition was characterized by high parameter of correct diagnosis's probability - 97,3%.
Conclusion. Methods of definition of eosinophilic cationic protein and free hemoglobin in nasal secret had
possessed with the highest diagnostic efficiency.

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