Please use this identifier to cite or link to this item: http://hdl.handle.net/2440/96785
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Type: Journal article
Title: The association of dietary intake and supplementation of specific polyunsaturated fatty acids with inflammation and functional capacity in chronic obstructive pulmonary disease: a systematic review
Author: Atlantis, E.
Cochrane, B.
Citation: International Journal of Evidence-Based Healthcare, 2015; 14(2):53-63
Publisher: Lippincott, Williams & Wilkins
Issue Date: 2015
ISSN: 1744-1595
1744-1609
Statement of
Responsibility: 
Evan Atlantis and Belinda Cochrane
Abstract: OBJECTIVE: This systematic review sought to identify the association of dietary intake and supplementation of specific polyunsaturated fatty acids with inflammation and function in people with chronic obstructive pulmonary disease (COPD). DATA SOURCES: We searched electronic databases including PubMed, CINAHL, MEDLINE, EMBASE, The Cochrane Library, ProQuest Dissertations and Theses, Scopus, Google Scholar, Trove, and WHO International Clinical Trials Registry Platform and reference lists of retrieved articles published prior to August 2014. INCLUSION CRITERIA: We considered observational studies that evaluated dietary intake of omega-3 (eicosapentaenoic acid, docosahexaenoic acid or α-linolenic acid) and/or omega-6 fatty acids (γ-linoleic acid or arachidonic acid), and experimental studies that evaluated omega-3 fatty acid supplementation (containing predominantly one or more omega-3 fatty acids) on airway and systemic inflammatory markers and/or functional capacity outcomes in people with COPD-related diagnoses. DATA SYNTHESIS: Since statistical pooling was not possible, the findings were presented in narrative form including tables and figures to aid in data presentation when appropriate. RESULTS: One 8-week randomized controlled trial conducted in 80 COPD patients in the Netherlands showed polyunsaturated fatty acid supplementation significantly improved exercise capacity compared with the control condition [between-group difference in mean peak workload was 9.7 W (2.5-17.0; P = 0.009); and mean duration was 4.3 min (0.6-7.9; P = 0.023)]. One cross-sectional study conducted in 250 COPD patients in Spain found associations of specific dietary omega-3 fatty acids with inflammation were inconsistent. CONCLUSIONS: Limited evidence provides weak support for the use of omega-3 fatty acid supplementation for reducing chronic inflammation and some support for improving functional capacity in COPD patients. There is no consistent evidence showing that low dietary intake of specific omega-3 fatty acids worsens inflammation and/or function. More evidence is required before routinely incorporating this therapy within COPD management plans.This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License, where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially. http://creativecommons.org/licenses/by-nc-nd/4.0.
Keywords: chronic obstructive pulmonary disease; diet; fatty acids; omega-3; omega-6; supplement
Rights: © 2016 University of Adelaide, Joanna Briggs Institute. This is an open-access article distributed under the terms of the Creative Commons Attribution-NonCommercial-NoDerivatives 4.0 License, where it is permissible to download and share the work provided it is properly cited. The work cannot be changed in any way or used commercially. http://creativecommons.org/licenses/by-nc-nd/4.0
RMID: 0030031227
DOI: 10.1097/xeb.0000000000000056
Appears in Collections:Medicine publications

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