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Angiographic characteristics and in-hospital mortality among patients with ST-segment elevation myocardial infarction presenting without typical chest pain: an analysis of China Acute Myocardial Infarction registry.


ABSTRACT: BACKGROUND:Patients with ST-segment elevation myocardial infarction (STEMI) who present without typical chest pain are associated with a poor outcome. However, whether angiographic characteristics are related to a higher risk of mortality in this population is unclear. This study aimed to investigate whether the higher mortality risk in patients with STEMI without chest pain could be explained by their "high-risk" angiographic characteristics. METHODS:We used data of 12,145 patients with STEMI who was registered in China Acute Myocardial Infarction registry from January 2013 to September 2014. We compared the infarct-related artery (IRA), thrombolysis in myocardial infarction (TIMI) flow grade in the IRA, and other angiographic characteristics between patients without and those with chest pain. Multivariable logistic regression model was used to identify independent risk factor of in-hospital mortality. RESULTS:The 2922 (24.1%) patients with STEMI presented without typical chest pain. These patients had a higher TIMI flow grade (mean TIMI flow grade: 1.00 vs. 0.94, P?=?0.02) and a lower rate of IRA disease of the left anterior descending artery (44.6% vs. 51.2%, ??=?35.63, P?

SUBMITTER: Song CX 

PROVIDER: S-EPMC6819048 | BioStudies | 2019-01-01

REPOSITORIES: biostudies

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