Tuesday, October 27, 2020

A study has demonstrated that omega-3 rich foods improve post-heart attack prognosis


https://www.eurekalert.org/pub_releases/2020-10/idm-ash102620.php

News Release 27-Oct-2020
IMIM (Hospital del Mar Medical Research Institute)

A team of researchers from the Germans Trias i Pujol Hospital and Research Institute (IGTP) and the Hospital del Mar Medical Research Institute (IMIM) has shown that regularly consuming foods rich in omega-3 fatty acids, from both animal and vegetable origins, strengthens the heart's membranes and helps improve the prognosis in the event of a myocardial infarction.


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Eicosapentaenoic acid (EPA) is a type of omega-3 fatty acid found in oily fish. When we eat oily fish on a regular basis, EPA is incorporated into the phospholipids in the membranes of the cardiomyocytes, protecting them from a wide variety of heart stressors. This enrichment of the myocardial membranes limits the damage caused in the event of a heart attack.

The major novelty of this study is that it also focused on another omega-3 fatty acid, of vegetable origin, known as alpha-linolenic acid (ALA). This fat, which is found in walnuts as well as soybeans and their derivatives, is far less well studied than marine omega-3s. The researchers observed that EPA and ALA do not compete, but are complementary to one another. While high levels of EPA are associated with a lower risk of hospital readmission from cardiovascular causes, higher levels of ALA are associated with a reduced risk of death.

Antoni BayƩs, clinical director of Cardiology at Germans Trias, concludes: "Incorporating marine and vegetable omega-3s into the diet of patients at risk of cardiovascular disease is an integrative strategy for improving both their quality of life and prognosis if they suffer a heart attack."

Aleix Sala, a researcher at IMIM-Hospital del Mar and responsible for the blood testing, states: "The article is important because it highlights the complementary (and non-competitive) effects of the two types of omega-3." 


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