title: [Clinical follow-up of an epidemiologic study on asthma and allergies in childhood].
abstract: The results of a recent epidemiological study in Salzburg (Austria) showed that the prevalence of bronchial hyperresponsiveness (BHR) to hypertonic saline (HS) was 13.7% in schoolchildren aged 12-15 years. In the same study the prevalence of wheezing in the last 12 months was 11.9% and asthma had been diagnosed in 6.3%. To audit the relevance of these results and to offer medical treatment to children with newly diagnosed asthma, we invited all children who had had a positive bronchial provocation test (n = 99) or an abnormal lung function (defined as an FEV1 < 80% of the predicted value; n = 33) for clinical investigation. Seventy-five out of 99 children with BHR and 27/33 with an FEV1 < 80% of the predicted value attended the Respiratory Laboratory and a paediatric pulmonologist assessed the diagnosis on the basis of respiratory symptoms, physical examination and lung function test. In 26/53 children with asthma, the diagnosis was unknown. Although most children had mild asthma and normal lung function, half of these children had reduced physical activity. In 27/53 children with asthma, the diagnosis had already been known but, according to the specialist, had not been adequately treated. In 21/27 children with an FEV1 < 80% of the predicted value, this finding was clinically not relevant. The audit of the epidemiological study supported the assumption that asthma might be underdiagnosed and undertreated in our population.
authors.affiliation: Pädiatrische Pneumologie, Kinderspital der LKA Salzburg.
authors.forename: W
authors.initials: W
authors.lastname: Eder
authors.forename: A
authors.initials: A
authors.lastname: Gamper
authors.forename: G
authors.initials: G
authors.lastname: Oberfeld
authors.forename: J
authors.initials: J
authors.lastname: Riedler
mesh_terms: D000293:Adolescent; D001249:Asthma / Q000175:diagnosis / Q000453:epidemiology*; D001317:Austria / Q000453:epidemiology; D001985:Bronchial Provocation Tests; D002648:Child; D003430:Cross-Sectional Studies; D005260:Female; D005500:Follow-Up Studies; D005541:Forced Expiratory Volume; D006801:Humans; D015994:Incidence; D008297:Male; D012221:Rhinitis, Allergic, Perennial / Q000175:diagnosis / Q000453:epidemiology*; D006255:Rhinitis, Allergic, Seasonal / Q000175:diagnosis / Q000453:epidemiology*
vernacular_title: Klinische Nachuntersuchung einer epidemiologischen Studie über Asthma und Allergien im Kindesalter.