A lower eicosapentaenoic acid/arachidonic acid ratio is associated with in-hospital fatal arrhythmic events in patients with acute myocardial infarction: a J-MINUET substudy

on behalf of J-MINUET Investigators

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Abstract

The ratio of serum eicosapentaenoic acid (EPA) to arachidonic acid (AA) is significantly associated with long-term clinical outcomes in patients with acute myocardial infarction (AMI). However, it has not been conclusively demonstrated that higher serum EPA/AA ratio fares better clinical outcomes in the early phase of AMI. The Japanese registry of acute Myocardial INfarction diagnosed by Universal dEfiniTion (J-MINUET) is a prospective multicenter registry conducted in 28 Japanese medical institutions between July 2012 and March 2014. We enrolled 3,283 consecutive AMI patients who were admitted to participating institutions within 48 h of symptom onset. A serum EPA/AA ratio was available for 629 of these patients. The endpoints were in-hospital mortality and major adverse cardiac events (MACE), defined as a composite of all cause death, cardiac failure, ventricular tachycardia (VT) and/or ventricular fibrillation (VF) and bleeding during hospitalization. Although similar rates of in-hospital mortality, cardiac failure, bleeding, and MACE were found in the lower serum EPA/AA group and higher serum EPA/AA group, the incidence of VT/VF during hospitalization was significantly higher in the low ratio group (p = 0.008). Receiver operating characteristic curve analysis showed that an EPA/AA ratio < 0.35 could predict the incidence of VT/VF with 100% sensitivity and 64.0% specificity. A lower serum EPA/AA ratio was associated with a higher frequency of fatal arrhythmic events in the early phase of AMI.

Original languageEnglish
Pages (from-to)481-488
Number of pages8
JournalHeart and Vessels
Volume33
Issue number5
DOIs
Publication statusPublished - 01-05-2018

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All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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