alexa There is no Relationship with Plasma Fatty Acid Levels in New Zealanders with Severe Coronary Artery and Mortality
ISSN: 2161-0509

Journal of Nutritional Disorders & Therapy
Open Access

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Research Article

There is no Relationship with Plasma Fatty Acid Levels in New Zealanders with Severe Coronary Artery and Mortality

Jocelyne R Benatar*

Green Lane Cardiovascular Service, Auckland City Hospital, Auckland, New Zealand

*Corresponding Author:
Jocelyne Benatar
Cardiovascular Research Unit
Greenlane Cardiovascular Service
Auckland City Hospital, Auckland 1030, New Zealand
Tel: +64-9-307 4949
Fax: +64-9-630 9978
E-mail: [email protected]

Received date June 28, 2014; Accepted date September 18, 2014; Published date September 26, 2014

Citation: Benatar JR (2014) There is no Relationship with Plasma Fatty Acid Levels in New Zealanders with Severe Coronary Artery and Mortality. J Nutr Disorders Ther 4:146. doi:10.4172/2161-0509.1000146

Copyright: © 2014 Benatar JR. This is an open-access article distributed under the terms of the Creative Commons Attribution License, which permits unrestricted use, distribution, and reproduction in any medium, provided the original author and source are credited.

 

Abstract

Background: Objective measures of fatty acid intakes such as tissue levels of fatty acids more accurately reflect dietary intake compared to food frequency questionnaires. This study describes plasma fatty acid levels in New Zealanders with significant coronary artery disease and the relationship with mortality at 7.5 years.
Methods: This is prospective observational study. Fasting plasma samples were taken in in 420 consecutive patients with angiographic diagnosis of severe coronary disease requiring coronary artery bypass surgery. Plasma levels of fatty acids were measured by gas-chromatography mass-spectrometry. Mortality data was obtained by accessing details of the most recent contact with health professionals, review of clinical notes and the National Health Index database and death certificates.
Results: The mean age of participants was 68 (± 10) years and 83% were male. Saturated fats were 46.5 (± 1.2) %, unsaturated fats were 51.8 (± 1.3%) %, trans fatty acids 1.1 (± 0.69) % of total fats. Ruminant transfatty acids made up 67% of total plasma trans fatty acids. Saturated fats and ruminant trans fatty acids levels were not associated with increased total mortality (hazard ratio 0.93 (0.75 to 1.16) p=0.53 and.14 (0.85 to 1.53) p=0.39 respectively or cardiovascular mortality (hazard ratios 0.93 (0.75 to 1.16) p=0.53 and 0.91 (0.61 to 1.37, p=0.66).
Conclusion: Saturated and trans fatty acid levels in this population are higher than expected from food frequency questionnaires. More than two thirds of transfatty acids are from dairy food and meat. Neither saturated fats nor transfatty acids are associated with increased cardiovascular and total mortality.

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