Abstract
Aim: to determine the concentration of mold spores and causative allergens of pollen-producing grasses in the cities of Southern Russia and to assess the prevalence of multisensitization in patients with severe allergic respiratory diseases, taking into consideration mold specific IgE results. Patients and Methods: from 2018 to 2020, concentrations of airborne allergens were evaluated in Stavropol, Krasnodar and Rostov-on-Don according to international techniques, using Burkard and Lanzoni volumetric spore and pollen traps. The levels of non-bacterial allergen- specific IgE were evaluated by allergen component testing in 143 patients (69 children and 74 adults) with allergic rhinitis and atopic asthma. Results: the results of aeropalynology studies demonstrated a high concentration of mold spores in the atmospheric air of all the studied cities co-occurring with seasonal increases in pollen allergen concentrations in the atmospheric air. The South of Russia is characterized by the year-round presence of mold allergens with sporulation peaks in July, August and September. The peak utilization of healthcare services coincided with the maximal concentration of plant pollen and mold spores. The results of comprehensive allergy diagnostic testing suggest that there is a predominance of patients with multisensitization (71%), including sensitization to pollen and mold spore allergens. As a result of the overlapping of the peaks of spreading airborne pollen allergens and mold sporulation, a frequent use of short-acting emergency β2-agonists and more calls for ambulance service are reported. Conclusion: the predominance of patients with multisensitization leads to the development of severe allergic respiratory diseases. Measures of timely management and prevention are needed for such patients. A daily monitoring of sporulation levels and pollen allergens in the air may help to avoid contacts with high concentrations of causative allergens and to implement the necessary preventive measures. The annual aeropalynology monitoring will provide an opportunity to predict allergen concentrations in the atmospheric air during the current year and to develop a statistically significant monitoring model in the future. KEYWORDS: molds, ragweed, aeromycology, aeropalynology, allergens, allergen component testing. FOR CITATION: Ukhanova O.P., Bogomolova E.V., Budnikov P.V. et al. Mycotic risk factors for the development of severe respiratory allergosis in the population of southern Russia. Russian Medical Inquiry. 2023;7(2):65–74 (in Russ.). DOI: 10.32364/2587-6821-2023-7-2-65-74.
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