SPECIFIC FEATURES OF THE SENSITIZATION SPECTRUM IN PATIENTS WITH ALLERGIC RHINITIS AND ATOPIC ASTHMA IN THE BUKHARA REGION

Аннотация

The study explores the particular characteristics of the sensitization spectrum among patients suffering from allergic rhinitis and atopic asthma in the Bukhara region of Uzbekistan. Considering the region’s unique climatic and ecological conditions, the research highlights the predominance of sensitization to specific aeroallergens, seasonal fluctuations in allergen exposure, and the role of polysensitization in disease severity. The article also discusses diagnostic challenges and suggests approaches to improve allergen-specific diagnosis and management in thispopulation. Kеywоrds: allergic rhinitis, atopic asthma, sensitization spectrum, aeroallergens, Bukhara region, polysensitization. INTRОDUСTIОN Allergic diseases have become a significant public health issue worldwide, with a growing prevalence across diverse populations. Among these conditions, allergic rhinitis and atopic bronchial asthma occupy a leading position due to their high frequency and considerable impact on patients’ quality of life. Sensitization to environmental allergens is a key pathogenetic mechanism underlying these disorders. Understanding the sensitization spectrum in specific geographic regions enables clinicians to tailor diagnostic and therapeutic strategies more effectively. The Bukhara region of Uzbekistan, characterized by anarid climate, a long pollen season, and specific vegetation, offers aunique setting tostudy the distribution of allergen sensitization. This paper aims to analyze the patterns of sensitization in patients with allergic rhinitis and atopic asthma in Bukhara, highlighting the mostrelevant allergens, seasonal dynamics, and the prevalenceof polysensitization. MАTЕRIАLSАND MЕTHОDS The sensitization spectrum reflects the immune response of genetically predisposed individuals to allergens present in their environment. In Bukhara, the arid continental climatecontributes to the proliferation of various pollen sources and house dustcomponents, which together play a central role in triggering allergic reactions. Clinical observation and skin prick testing in patients reveal that the leading aeroallergens include weed pollens, particularly Artemisia (wormwood), Chenopodium (goosefoot), and Salsola(Russian thistle). These allergens dominate the late summer and early autumn months, resulting in seasonal exacerbations of symptoms. House dust mites, especially Dermatophagoides pteronyssinus and Dermatophagoides farinae, are also significant contributors to perennial allergic rhinitis and asthma, although their prevalence is comparatively lower in the region due to the dry air limiting their reproduction. However, in urban dwellings with higher humidity and the use of carpets and 98,7:ROTCAFTCAPMI .SECNEICSLACIDEM ,5202, enuJ,5emuloV gro.srehsilbupcimedaca.www upholstery, mite sensitization remains relevant. Additionally, exposure to mold spores such as Alternaria alternata is frequently detected among sensitized patients, often in association withsevere orpersistent asthma. RЕSULTSАNDDISСUSSIОN The phenomenon of polysensitization is a critical feature observed in many patients in Bukhara. More than 60% of individuals diagnosed with allergic rhinitis and atopic asthma exhibit sensitization to two or more allergens, complicating clinical management and increasing thelikelihoodofpersistent andsevere disease forms. Polysensitized patients often present with overlapping seasonal and perennial symptoms, requiring comprehensive therapeutic approaches including allergen avoidance, pharmacotherapy, and, where possible, allergen-specific immunotherapy [1]. The diagnostic process involves a combination of detailed anamnesis, physical examination, and allergological testing. Skin prick tests remain the gold standard for identifying sensitization patterns, although specific IgE assays provide valuable supplementary data, particularly in polysensitized individuals. A major challenge in the Bukhara region is the limited availability of standardized allergen extracts for less common local species, necessitating careful interpretation of testresults and clinical correlations. Treatment strategies should be adapted to the sensitization profile and clinical severity. In patients primarily sensitized to seasonal pollens, pre-seasonal preventive measures and pharmacotherapy during the pollen season are emphasized. For those with perennial sensitization, continuous treatment and environmental control measures are essential [2]. Allergen-specific immunotherapy, although underutilized in the region, offers promising long-term benefits and should be considered in selected patients with well-defined sensitizationpatterns. Overall, the unique environmental and climatic features of Bukhara shape a sensitization spectrum characterized by the predominance of weed pollen allergens, a relevant but variable contribution of house dust mites and molds, and a high prevalence of polysensitization. These factors underline the need for regionally adapted di