The analysis of prevalence of nasal sinusitis in 558 children 3-6 years old with various pulmonary diseases was made. In a group of 142 asthmatic children 53 (37.3%) had some alterations in sinuses. In another group of children (n = 91) with other atopic diseases, nasal sinusitis were observed in 18 (19.8%) individuals, but in a group of the children with other non-atopic pulmonary diseases (n = 325), nasal sinusitis was found in only 19 (5.9%) individuals. The correlation between the severity of asthma and prevalence of nasal sinusitis was found. In children with severe asthma the abnormality of sinuses were found in over 76% individuals.
Conclusion: among young children with bronchial asthma nasal sinusitis can be found in 37.3% individuals and it is far more frequent than among patients with other non-atopic pulmonary diseases (5.9%).