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N-3 polyunsaturated fatty acids early supplementation improves ultrasound indices of endothelial function, but not through NO inhibitors in patients with acute myocardial infarction N-3 PUFA supplementation in acute myocardial infarction.
MedLine Citation:
PMID:  20705373     Owner:  NLM     Status:  In-Data-Review    
BACKGROUND & AIMS: our aim was to evaluate early initiated one month n-3 polyunsaturated fatty acids (PUFA) supplementation effects on ultrasound indices of endothelial function and serum asymmetric dimethylarginine (ADMA) levels in patients with acute myocardial infarction (AMI).
METHODS: Forty patients with AMI and successful percutaneous coronary intervention (PCI) were recruited into the study and randomized to the study group (group P; n = 20; standard therapy + n-3 PUFA 1g daily) or the control group (group C; n = 20; standard therapy). Ultrasound indices of endothelial function: flow-mediated dilatation (FMD), nitroglycerin-mediated dilatation (NMD) and serum ADMA concentrations (ELISA) were obtained before and after one month (30 ± 1 days) therapy (presented as means ± standard deviations).
RESULTS: There was a significant difference between both groups in mean delta (baseline/after one month) FMD (P: 8.1 ± 12.6% vs C: -2.2 ± 11.8%; p = 0.02) with no difference in mean delta NMD (P: 3.3 ± 11.9% vs 0.66 ± 14.3%; p = 0.53). We found also a significant increase in mean FMD (7.4 ± 6.4 to 15.5 ± 10.5%; p = 0.02) with a nonsignificant change in mean NMD values (26.9 ± 12.1 to 30.2 ± 14.0%; p = 0.24) after 1-month therapy with n-3 PUFA. FMD and NMD mean values did not change in control patients (FMD: 11.6 ± 6.1% to 9.4 ± 8.0%; p = 0.5 NMD: 25.1 ± 11.4% to 25.8 ± 14.0%; p = 0.84). The comparison of mean delta ADMA values for both groups revealed no differences (P: 6.2 ± 9.7 μmol/l vs C: 3.6 ± 9.5 μmol/l; p = 0.43). Mean serum ADMA concentrations were significantly increased after 1-month therapy in the group P (P: 2.1 ± 1.8 to 8.3 ± 9.7 μmol/l; p = 0.001; C: 4.5 ± 7.1 to 8.1 ± 9.5 μmol/l; p = 0.09). However, there was a nonsignificant difference in mean baseline serum ADMA levels between both groups (P: 2.1 ± 1.8 μmol/l vs C: 4.5 ± 7.1 μmol/l; p = 0.32). There were no significant correlations between FMD, NMD, ADMA levels and demographic, clinical or biochemical parameters.
CONCLUSIONS: Early and short-term n-3 PUFA supplementation improved ultrasound indices of endothelial function without affecting serum ADMA levels in patients with AMI and successful primary PCI.
Maciej Haberka; Katarzyna Mizia-Stec; Magdalena Mizia; Joanna Janowska; Klaudia Gieszczyk; Artur Chmiel; Barbara Zahorska-Markiewicz; Zbigniew Gąsior
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Publication Detail:
Type:  Journal Article     Date:  2010-08-12
Journal Detail:
Title:  Clinical nutrition (Edinburgh, Scotland)     Volume:  30     ISSN:  1532-1983     ISO Abbreviation:  Clin Nutr     Publication Date:  2011 Feb 
Date Detail:
Created Date:  2011-02-07     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  8309603     Medline TA:  Clin Nutr     Country:  England    
Other Details:
Languages:  eng     Pagination:  79-85     Citation Subset:  IM    
Copyright Information:
Copyright © 2010 Elsevier Ltd and European Society for Clinical Nutrition and Metabolism. All rights reserved.
Department of Cardiology, Medical University of Silesia, Ziołowa 45/47, 40-635 Katowice, Poland.
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