Survey of the Erythrocyte EPA+DHA Levels in the Heart Attack/Stroke Belt

Published on Jul 1, 2019in Prostaglandins Leukotrienes and Essential Fatty Acids2.86
· DOI :10.1016/j.plefa.2019.07.010
William S. Harris74
Estimated H-index: 74
(USD: University of South Dakota),
K.H. Jackson + 3 AuthorsL. Cornish
Abstract Background The Omega-3 Index (O3I; erythrocyte EPA+DHA as a percent of total fatty acids) is inversely related to risk for cardiovascular disease (CVD). The cardioprotective target O3I is 8%-12%. O3I levels in American regions with high CVD risk are poorly characterized. Purpose To determine the O3I in individuals participating in a Seafood Nutrition Partnership (SNP) survey in seven US cities in the CVD “belt.” Methods Fingerstick blood samples were analyzed for the O3I. Results The SNP cohort (n=2177) had a mean (SD) O3I of 4.42% (1.12%). Only 1.2% were in the desirable range, whereas 42% had an undesirable ( Conclusions Individuals in the CVD “belt” had relatively low O3I levels. Since in other settings, a low O3I is associated with increased risk for CVD, this may be one factor contributing to the higher risk for CVD in this region of the US.
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