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Symptoms related to snoring and sleep apnoea in subjects with chronic bronchitis : report from the Obstructive Lung Disease in Northern Sweden study
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- Larsson, L-G (author)
- Central Hospital of Norrbotten, Luleå, Boden, Department of Respiratory Medicine
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- Lundbäck, Bo (author)
- Central Hospital of Norrbotten, Luleå, Boden, The OLIN Study Group
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- Jonsson, Ann-Christin (author)
- Central Hospital of Norrbotten, Luleå, Boden, The OLIN Study Group
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Lindström, Mai (author)
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- Jönsson, Elsy (author)
- National Institute of Occupational Health, Medical Division, Umeå
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(creator_code:org_t)
- 1997
- English.
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In: Respiratory Medicine. - 0954-6111 .- 1532-3064. ; 91:1, s. 5-12
- Related links:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
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- To assess the relationship between chronic bronchitis and obstructive sleep apnoea, a postal survey was performed. A postal questionnaire was sent to 523 subjects identified as having chronic bronchitis or long-standing cough and sputum production in the Obstructive Lung Disease in Northern Sweden Study I (OLIN I). In 1986-88, all 6610 adults born in 1919-20, 1934-35 and 1949-50 living in representative areas in Northern Sweden were screened for airway diseases according to different methods. A random sample of healthy adults identified in the screening were chosen as references (n = 625). Subjects were asked about a variety of airway symptoms, smoking habits and symptoms related to obstructive sleep apnoea syndrome (OSAS). In the bronchitic group, 20% did not report bronchitic symptoms in the present study, and 26% of the formerly healthy reference group reported at least one bronchitic symptom in the present study. Snoring, apnoea and liability to 'nod off' during activity were much more common in the bronchitic group in both men and women, and most common in men, as expected. Snoring was reported by 29% of the men in the bronchitic group and by 14% in the reference group. In women, the corresponding figures were 14 and 8%, respectively, and for apnoea, the figures were 25 vs. 11% in men and 6 vs. 4% in women. The prevalence of OSAS symptoms was similar in subjects with attacks of breathlessness, long-standing cough, sputum production and recurrent wheezing. Bronchitic symptoms may influence quality of sleep and contribute to daytime tiredness, but this does not fully explain the high prevalence of snoring and apnoea reported by subjects in this cohort. This study indicates a positive correlation between chronic bronchitis and OSAS, but sleep studies are required to confirm this
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