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Nocturnal gastro-oesophageal reflux, asthma and symptoms of OSA: a longitudinal, general population study
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2013 (English)In: European Respiratory Journal, ISSN 0903-1936, E-ISSN 1399-3003, Vol. 41, no 6, 1347-1354 p.Article in journal (Refereed) Published
Abstract [en]

Nocturnal gastro-oesophageal reflux (nGOR) is associated with asthma and obstructive sleep apnoea (OSA). Our aim was to investigate whether nGOR is a risk factor for onset of asthma and onset of respiratory and OSA symptoms in a prospective population-based study. We invited 2640 subjects from Iceland, Sweden and Belgium for two evaluations over a 9-year interval. They participated in structured interviews, answered questionnaires, and underwent spirometries and methacholine challenge testing. nGOR was defined by reported symptoms. Subjects with persistent nGOR (n=123) had an independent increased risk of new asthma at follow-up (OR 2.3, 95% CI 1.1-4.9). Persistent nGOR was independently related to onset of respiratory symptoms (OR 3.0, 95% CI 1.6-5.6). The risk of developing symptoms of OSA was increased in subjects with new and persistent nGOR (OR 2.2, 95% CI 1.3-1.6, and OR 2.0, 95% CI 1.0-3.7, respectively). No significant association was found between nGOR and lung function or bronchial responsiveness. Persistent symptoms of nGOR contribute to the development of asthma and respiratory symptoms. New onset of OSA symptoms is higher among subjects with symptoms of nGOR. These findings provide evidence that nGOR may play a role in the genesis of respiratory symptoms and diseases.

Place, publisher, year, edition, pages
2013. Vol. 41, no 6, 1347-1354 p.
Keyword [en]
Asthma, gastro-oesophageal reflux, lung function, nocturnal, obstructive sleep apnoea
National Category
Medical and Health Sciences
URN: urn:nbn:se:uu:diva-203540DOI: 10.1183/09031936.00052512ISI: 000320211700017OAI: oai:DiVA.org:uu-203540DiVA: diva2:637136
Available from: 2013-07-16 Created: 2013-07-15 Last updated: 2013-07-16Bibliographically approved

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Farkhooy, AmirJanson, Christer
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