Search for: [Abstract = "Nasal symptoms mostly acute, but often recurrent or chronic are the most common health problems in children. In the specifications of chronic non\-infectious rhinitis dominate inflammation of the nasal mucosa caused by allergic and non\-allergic factors. Studies on the clinical course of the allergic rhinitis \(AR\) are common, but in the case of non\-allergic rhinitis \(Non\-AR\) are rare, particularly in children. In view of the much similarity of the sings of AR and Non\-AR, the possibility of evolution of the inflammation processes, it would be advantageous to find the symptom\/s, marker\/s, which differentiate these two disorders and give prognostic factors. The aim of this study was to determine the interdependence between AR and Non\-AR by extracting the clinical symptoms, lung function parameters, biochemical and pathophysiological factors, differentiating these disorders in a group of school children with symptoms of non\-infectious rhinitis. Furthermore, the identification of such allergic inflammation markers which of that best discriminate AR and Non\-AR between each other. The study was cross\-sectional, comparative, done in Pulmonology and Allergy Clinic, Children's University Hospital in Cracow. There were 141children meeting the inclusion criteria for the study. In children enrolled to the study, it was done\: a questionnaire study, anterior rhinoscopy, determination of th"]

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