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Dietary Factors and Risk of Chronic Obstructive Pulmonary Disease: a Systemic Review and Meta-Analysis.
Tanaffos. 2019 Apr; 18(4):294-309.T

Abstract

Background

The relationship between dietary pattern and the risk of chronic obstructive pulmonary disease (COPD) has been described; however, the exclusive role of dietary factors remains controversial. Hence, we conducted this systematic meta-analysis to clarify the role of some nutrients and antioxidant vitamins in the risk of COPD.

Materials and Methods

PubMed, Embase, and Scopus databases were searched for studies evaluating the associations between COPD outcome measures, symptoms, and mortality, and intake of fruits and vegetables, fiber, fish, n-3 or n-6 fatty acids, and antioxidant vitamins in adults. The random-effect model meta-analyses were used to pool the results.

Results

Ten cohort, six case-control, and 20 cross-sectional studies were identified. The pooled relative risks (RRs) of the COPD and confidence intervals (CIs) for the highest intake group compared with the lowest intake group were 0.74 (95% CI: 0.65-0.85) for fruit, 0.65 (95% CI: 0.55-0.78) for dietary fiber, 0.71 (95% CI: 0.58-0.85) for fish, and 0.89 (95% CI: 0.76-0.99) for vitamin C. No association was observed between the risk of COPD and the intake of vegetables, n-3 fatty acids, vitamin E, and β-carotene; however, it was associated with n-6 fatty acids 1.06 (95% CI: 0.87-1.30).

Conclusion

The results suggested that a higher intake of fruits, probably dietary fiber, and fish reduce the risk of COPD.

Authors+Show Affiliations

Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.Mt Kuring-Gai Medical Centre, Suite 5,6, 757 Pacific Hwy, Mount Kuring-Gai NSW 2080.Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.Department of Statistics and Epidemiology, Faculty of Health, Tabriz University of Medical Sciences, Tabriz, Iran.Tuberculosis and Lung Disease Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.Indigenous & Global Health Research Group, Department of Medicine, University of Alberta, Edmonton, Canada.Department of Medicine, Faculty of Medicine and Dentistry, University of Alberta, Edmonton, Alberta, Canada.

Pub Type(s)

Journal Article
Review

Language

eng

PubMed ID

32607110

Citation

Seyedrezazadeh, Ensiyeh, et al. "Dietary Factors and Risk of Chronic Obstructive Pulmonary Disease: a Systemic Review and Meta-Analysis." Tanaffos, vol. 18, no. 4, 2019, pp. 294-309.
Seyedrezazadeh E, Moghaddam MP, Ansarin K, et al. Dietary Factors and Risk of Chronic Obstructive Pulmonary Disease: a Systemic Review and Meta-Analysis. Tanaffos. 2019;18(4):294-309.
Seyedrezazadeh, E., Moghaddam, M. P., Ansarin, K., Asghari Jafarabadi, M., Sharifi, A., Sharma, S., & Kolahdooz, F. (2019). Dietary Factors and Risk of Chronic Obstructive Pulmonary Disease: a Systemic Review and Meta-Analysis. Tanaffos, 18(4), 294-309.
Seyedrezazadeh E, et al. Dietary Factors and Risk of Chronic Obstructive Pulmonary Disease: a Systemic Review and Meta-Analysis. Tanaffos. 2019;18(4):294-309. PubMed PMID: 32607110.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Dietary Factors and Risk of Chronic Obstructive Pulmonary Disease: a Systemic Review and Meta-Analysis. AU - Seyedrezazadeh,Ensiyeh, AU - Moghaddam,Masoud Pour, AU - Ansarin,Khalil, AU - Asghari Jafarabadi,Mohammad, AU - Sharifi,Akbar, AU - Sharma,Sangita, AU - Kolahdooz,Fariba, PY - 2020/7/2/entrez PY - 2019/4/1/pubmed PY - 2019/4/1/medline KW - Antioxidant Vitamins KW - COPD KW - Dietary Fiber KW - Fatty Acids KW - Fruit KW - Vegetables SP - 294 EP - 309 JF - Tanaffos JO - Tanaffos VL - 18 IS - 4 N2 - Background: The relationship between dietary pattern and the risk of chronic obstructive pulmonary disease (COPD) has been described; however, the exclusive role of dietary factors remains controversial. Hence, we conducted this systematic meta-analysis to clarify the role of some nutrients and antioxidant vitamins in the risk of COPD. Materials and Methods: PubMed, Embase, and Scopus databases were searched for studies evaluating the associations between COPD outcome measures, symptoms, and mortality, and intake of fruits and vegetables, fiber, fish, n-3 or n-6 fatty acids, and antioxidant vitamins in adults. The random-effect model meta-analyses were used to pool the results. Results: Ten cohort, six case-control, and 20 cross-sectional studies were identified. The pooled relative risks (RRs) of the COPD and confidence intervals (CIs) for the highest intake group compared with the lowest intake group were 0.74 (95% CI: 0.65-0.85) for fruit, 0.65 (95% CI: 0.55-0.78) for dietary fiber, 0.71 (95% CI: 0.58-0.85) for fish, and 0.89 (95% CI: 0.76-0.99) for vitamin C. No association was observed between the risk of COPD and the intake of vegetables, n-3 fatty acids, vitamin E, and β-carotene; however, it was associated with n-6 fatty acids 1.06 (95% CI: 0.87-1.30). Conclusion: The results suggested that a higher intake of fruits, probably dietary fiber, and fish reduce the risk of COPD. SN - 1735-0344 UR - https://www.unboundmedicine.com/medline/citation/32607110/Dietary_Factors_and_Risk_of_Chronic_Obstructive_Pulmonary_Disease:_a_Systemic_Review_and_Meta_Analysis_ DB - PRIME DP - Unbound Medicine ER -
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