| Asthma and swimming: a meta-analysis. | |
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MedLine Citation:
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PMID: 18951254 Owner: NLM Status: MEDLINE |
Abstract/OtherAbstract:
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In this meta-analysis, studies on swimming and asthma were divided into four groups: Group I compared frequency of asthma among elite swimmers to that of other athletes; Group II examined the association between asthma and swimming during childhood; Group III evaluated effects of swimming programs on asthma severity and pulmonary function; and Group IV compared immediate respiratory effects of swimming to those of other types of exercise. The summary results were expressed as meta-odds ratios (ORs) for binary endpoints such as presence of asthma, and meta-differences for continuous endpoints such as changes in post-exercise pulmonary function tests (PFTs). All summary measures of effect were calculated using random effects models accompanied by a corresponding 95% confidence interval (CI) and a test for heterogeneity. In the analysis comparing frequency of asthma among elite swimmers to that among other athletes (Group I), meta-ORs ranged from 2.3 to 2.6 with all 95% CIs excluding 1.0. The corresponding meta-ORs reflecting the association between asthma and swimming pool use during childhood (Group II) were in the 0.63-0.82 range and were not statistically significant. In comparison to swimming, running and/or cycling was associated with a statistically significant four-to six-fold increase in exercise induced bronchospasm. Although asthma is more commonly found among elite swimmers than among other high-level athletes, it is premature to draw conclusions about the causal link between swimming and asthma because most studies available to date used cross-sectional design, because the association is not confirmed among non-competitive swimmers, and because asthmatics may be more likely to select swimming as the activity of choice because of their condition. |
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Authors:
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Michael Goodman; Sean Hays |
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Publication Detail:
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Type: Journal Article; Meta-Analysis; Research Support, Non-U.S. Gov't |
Journal Detail:
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Title: The Journal of asthma : official journal of the Association for the Care of Asthma Volume: 45 ISSN: 1532-4303 ISO Abbreviation: J Asthma Publication Date: 2008 Oct |
Date Detail:
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Created Date: 2008-10-27 Completed Date: 2008-11-11 Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 8106454 Medline TA: J Asthma Country: United States |
Other Details:
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Languages: eng Pagination: 639-47 Citation Subset: IM |
Affiliation:
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Department of Epidemiology, Rollins School of Public Health, Emory University, Atlanta, GA 30322, USA. mgoodm2@sph.emory.edu |
Export Citation:
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| MeSH Terms | |
Descriptor/Qualifier:
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Asthma
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epidemiology*,
etiology,
physiopathology Humans Odds Ratio Respiratory Function Tests Swimming / statistics & numerical data* |
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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