Abstract
Background: Allergy is a chronic inflammatory disease, which may affect the upper and lower airway in reversible airflow obstruction or asthma. Spirometry is a noninvasive way to assess lower airway function routinely and to detect reversible airflow obstruction. Objective: To find out prevalence of abnormal small airway function in allergic rhinitis patients without diagnosis of asthma Methods: This prospective study was conducted in the department of Pulmonary Medicine, SRMSIMS, Bareilly. Spirometric measurement of patients of allergic rhinitis. Results: One hundred and thirty nine patients of Allergic Rhinitis (AR)were included in this study.73 were males and 66 were females. Farmers and labors outnumbered the students.13/49 (26.53%) farmers and 8/20(40%) labours had decreased FEF25-75%. It was also observed that longer the duration of AR, more patients were having abnormal FEF25-75%. Conclusions: When patients with AR seek treatment, the lower airway status should always be evaluated. This study provided evidence that an early bronchial impairment might be detectable by considering the FEF25-75.
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