Document Detail


The relation between trans fatty acid levels and increased risk of myocardial infarction does not hold at lower levels of trans fatty acids in the Costa Rican food supply.
MedLine Citation:
PMID:  17056818     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
Data on the effects of recent industrial modifications that reduced the trans fatty acid (TFA) content in food supplies are scarce. In this study, incident cases (n = 1797) of a first nonfatal myocardial infarction (MI) were matched with population controls (n = 1797) for age, sex, and area of residence in Costa Rica. Odds ratio (OR) and 95% CI were calculated from conditional logistic regressions before and after a reduction of TFA in Costa Rican foods. Initially, the median quintiles of total adipose tissue TFA were 1.85, 2.47, 2.99, 3.58, and 4.40 g/100 g; total TFA was positively associated with increased MI risk after adjusting for established risk factors (OR by quintiles of total TFA: 1.00, 1.37, 1.91, 1.86, 3.28; P for trend < 0.001). This association was mostly due to 18:2 trans. In contrast, after industrial modification, median quintiles of total adipose tissue TFA were 1.84, 2.26, 2.57, 2.88, and 3.42 g/100 g; the association with MI was no longer significant (OR by quintiles of total TFA: 1.00, 0.78, 1.03, 0.88, and 1.03; P for trend = 0.65). Adipose tissue 18:1 trans fatty acids were not associated with risk of MI before or after the modification. Although to date there are no TFA regulations in Costa Rica, it appears that indirect international influence has led to a TFA reduction in the food supply and, consequently, to a reduction in the risk of nonfatal MI. The public health sector of Costa Rica should regulate food labeling and content to ensure very low levels of TFA intake.
Authors:
Uriyoán Colón-Ramos; Ana Baylin; Hannia Campos
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Publication Detail:
Type:  Journal Article; Research Support, N.I.H., Extramural    
Journal Detail:
Title:  The Journal of nutrition     Volume:  136     ISSN:  0022-3166     ISO Abbreviation:  J. Nutr.     Publication Date:  2006 Nov 
Date Detail:
Created Date:  2006-10-23     Completed Date:  2006-12-04     Revised Date:  2007-12-03    
Medline Journal Info:
Nlm Unique ID:  0404243     Medline TA:  J Nutr     Country:  United States    
Other Details:
Languages:  eng     Pagination:  2887-92     Citation Subset:  IM    
Affiliation:
Department of Nutrition, Harvard School of Public Health, Boston, MA, USA.
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MeSH Terms
Descriptor/Qualifier:
Adipose Tissue / chemistry
Aged
Costa Rica
Female
Food Analysis*
Food Supply
Humans
Male
Middle Aged
Myocardial Infarction / etiology*
Risk Factors
Trans Fatty Acids / administration & dosage,  adverse effects*,  analysis
Grant Support
ID/Acronym/Agency:
HL071888/HL/NHLBI NIH HHS
Chemical
Reg. No./Substance:
0/Trans Fatty Acids

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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