Abstract
In order to evaluate the maxillary ostial function a double-blind, group comparative study with intranasal budesonide and placebo was carried out in 20 adult patients suffering from seasonal rhinitis. The trial started with an entry visit 3 weeks before pollen peak with clinical assessments (physical examination and ostial diameter measurements) followed by a 3-week treatment period. Treatment was either intranasal budesonide 200 micrograms b.i.d. or matching placebo b.i.d. The trail ended at pollen peak with clinical assessment. The results showed normal ostial diameters in the patients suffering from seasonal rhinitis. There were no statistical significant differences in ostial diameter change between the treatment groups except between budesonide and placebo in sitting position at measurement time 0 min. It seems that pollen does not reach the ostial region.
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