Pre-procedural thrombolysis in myocardial infarction flow in patients with ST-segment elevation myocardial infarction a j-minuet substudy

J-MINUET investigators

Research output: Contribution to journalArticle

1 Citation (Scopus)

Abstract

It has been shown that the patency of an infarct-related artery (IRA) before primary percutaneous coronary intervention determines post-procedural success, better preservation of left ventricular function, and lower in-hospital mortality. However, the factors associated with pre-procedural Thrombolysis In Myocardial Infarction (TIMI) flow have not been fully investigated. The Japanese registry of acute Myocardial INfarction diagnosed by Universal dEfiniTion (J-MINUET) is a prospective multicenter registry conducted at 28 Japanese medical institutions between July 2012 and March 2014. We enrolled 3,283 consecutive patients with acute myocardial infarction who were admitted to a participating institution within 48 hours of symptom onset. There were 2,262 patients (68.9%) with ST-elevation myocardial infarction (STEMI), among whom 2,182 patients underwent emergent or urgent coronary angiography. Pre-procedural TIMI flow grade 3 was related to post-procedural TIMI flow grade 3 (P < 0.001), lower enzymatic infarct size (P < 0.001), lower ventricular tachycardia and ventricular fibrillation (P = 0.049), and lower in-hospital mortality (P = 0.020). A history of antiplatelet drug use was associated with pre-procedural TIMI flow. Antiplatelet drug use on admission was associated with pre-procedural TIMI flow. The patency of the IRA in patients with STEMI was related to procedural success and decreased enzymatic infarct size, fatal arrhythmic events, and in-hospital mortality.

Original languageEnglish
Pages (from-to)920-925
Number of pages6
JournalInternational heart journal
Volume59
Issue number5
DOIs
Publication statusPublished - 01-01-2018

All Science Journal Classification (ASJC) codes

  • Cardiology and Cardiovascular Medicine

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