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Dietary Patterns and Chronic Obstructive Pulmonary Disease: A Meta-analysis
Pei-Fen Zheng1,2, Long Shu1, Cai-Juan Si1
1a Department of Nutrition , Zhejiang Hospital , Hangzhou , Zhejiang , China.
COPD
|December 19, 2015
Summary
Healthy dietary patterns are linked to a lower risk of chronic obstructive pulmonary disease (COPD), while unhealthy diets increase COPD risk. This meta-analysis clarifies the association between diet and COPD.
Area of Science:
- Nutritional Epidemiology
- Respiratory Medicine
Background:
- Dietary patterns are increasingly investigated for links to chronic noncommunicable diseases.
- Previous studies suggest associations between diet and chronic obstructive pulmonary disease (COPD) risk, but findings are inconsistent.
Purpose of the Study:
- To conduct a meta-analysis clarifying the association between dietary patterns and the risk of developing chronic obstructive pulmonary disease (COPD).
Main Methods:
- A systematic literature search was performed on MEDLINE and EBSCO databases for studies published between January 1990 and June 2015.
- Included studies were meta-analyzed to determine the association between dietary patterns and COPD risk.
- A total of 13 studies met the inclusion criteria.
Main Results:
- Adherence to healthy/prudent dietary patterns was associated with a significantly decreased risk of COPD (OR = 0.55; CI: 0.46, 0.66; P < 0.0001).
- Conversely, higher consumption of unhealthy/Western-style dietary patterns was linked to a significantly increased risk of COPD (OR = 2.12; CI: 1.64, 2.74; P < 0.0001).
Conclusions:
- Dietary patterns play a significant role in the risk of developing chronic obstructive pulmonary disease (COPD).
- Promoting healthy diets may be a viable strategy for COPD prevention.
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