CBS 2019
CBSMD教育中心
中 文

急性冠脉综合征

Abstract

Recommended Article

Effects of clopidogrel vs. prasugrel vs. ticagrelor on endothelial function, inflammatory parameters, and platelet function in patients with acute coronary syndrome undergoing coronary artery stenting: a randomized, blinded, parallel study Clinical Efficacy and Safety of Alirocumab after Acute Coronary Syndrome According to Achieved Level of Low-Density Lipoprotein Cholesterol: A Propensity Score-Matched Analysis of the ODYSSEY OUTCOMES Trial Long-Term Prognostic Implications of Previous Silent Myocardial Infarction in Patients Presenting With Acute Myocardial Infarction Dynamic Myocardial Ultrasound Localization Angiography Galectin-3 Levels and Outcomes After Myocardial Infarction: A Population-Based Study Successful catheter ablation of electrical storm after myocardial infarction Ticagrelor or Prasugrel in Patients with Acute Coronary Syndromes Morphine and Cardiovascular Outcomes Among Patients With Non-ST-Segment Elevation Acute Coronary Syndromes Undergoing Coronary Angiography

Clinical Trial2018 Feb 15;253:20-24.

JOURNAL:Int J Cardiol. Article Link

Prognostic significance of QRS fragmentation and correlation with infarct size in patients with anterior ST-segment elevation myocardial infarction treated with percutaneous coronary intervention: Insights from the INFUSE-AMI trial

Redfors B, Kosmidou I, Stone GW et al. Keywords: Anterior STEMI; Infarct size; QRS fragmentation

ABSTRACT


BACKGROUND - QRS fragmentation (fQRS) is believed to reflect myocardial scar formation in patients with coronary disease. Whether early formation of fQRS in patients with ST-segment elevation myocardial infarction(STEMI) treated with percutaneous coronary intervention (PCI) is correlated with infarct size and prognosis is unknown. We assessed the prognostic value of fQRS at 60min post-PCI and its correlation with infarct size in patients with anterior STEMI managed with primary PCI.


METHODS - The INFUSE-AMI trial enrolled 452 patients with anterior STEMI undergoing primary PCI. Electrocardiograms (ECGs) were performed at baseline and 60min post-PCI. Infarct size was evaluated using cardiac magnetic resonance imaging at 30days post-PCI. Target vessel failure (TVF) was defined as the composite of cardiac death, target vessel myocardial infarction, or ischemia-driven target vessel revascularization. Study groups were defined as patients with versus without fQRS at 60min post-PCI.


RESULTS - Out of 421 patients with ECG data 60min post-PCI, 68 patients (16.2%) had fQRS. Patients with versus without fQRS had similar baseline characteristics and infarct size (16.9%±8.7% vs. 16.1%±10.5%, p=0.62), but patients with fQRS had higher adjusted risk of 1-year TVF (adjusted HR 2.27, 95% CI 1.06-4.89, p=0.036) and a trend toward a higher risk of the composite cardiac death or target vessel myocardial infarction(9.0% vs. 4.1%, p=0.08) at 1 year.


CONCLUSION - fQRS in patients with STEMI is associated with TVF but does not correlate with infarct size.


Copyright © 2017 Elsevier B.V. All rights reserved.