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Specific ige to aeroallergens in the blood serum as risk factors for uncontrolled severe asthma

Rossijskij allergologičeskij žurnal(2023)

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Abstract
BACKGROUND: Asthma is considered one of the urgent medical and social problems of the XXI century. In recent years, not only an increase in the incidence, but also an increase in the prevalence of severe forms of asthma has been noted in all countries of the world. The effect of the sensitization spectrum on the severity and level of asthma control has not been studied enough. AIM: Evaluate the importance of sensitization spectrum to aeroallergens in severe asthma patients as indicators for disease exacerbation risk. MATERIALS AND METHODS: Single-center cross-sectional study at North-Western State Medical University n.a. I.I. Mechnikov. Examined 93 severe asthma patients. Analysis covered demographic traits, comorbidities, hereditary history, living conditions, exacerbations, past-year hospitalizations, medications, spirometry, and specific IgE presence for 10 aeroallergens. RESULTS: Aspergillus fumigatus specific IgE notably impacted asthma control. Disease exacerbation risk was 8.4 times higher with A. fumigatus sensitization. Multivariate logistic regression revealed higher risk with A. fumigatus sensitization (4.79), fixed obstruction (6.2), systemic steroids use (5.85), indoor mold exposure (4.45), and familial asthma history (2.53). CONCLUSION: A. fumigatus sensitization significantly influences asthma course and control, worsening prognosis. Targeted examination of patients measuring sIgE levels for common aeroallergens is necessary to identify control obstacles. The results of the study were previously reported at the All-Russian Congress on Medical Microbiology, Clinical Mycology and Immunology and published in the form of abstracts in the journal Problems in medical mycology, 2022, Vol. 24, No 2.
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Key words
uncontrolled severe asthma,blood serum,aeroallergens
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