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Outcomes 2 Years After Transcatheter Aortic Valve Replacement in Patients at Low Surgical Risk Relation between baseline plaque features and subsequent coronary artery remodeling determined by optical coherence tomography and intravascular ultrasound Impact of final stent dimensions on long-term results following sirolimus-eluting stent implantation: serial intravascular ultrasound analysis from the sirius trial Online Quantitative Aortographic Assessment of Aortic Regurgitation After TAVR: Results of the OVAL Study Utility of intravascular ultrasound guidance in patients undergoing percutaneous coronary intervention for type C lesions Randomized comparison of clinical outcomes between intravascular ultrasound and angiography-guided drug-eluting stent implantation for long coronary artery stenoses Colchicine Reduces Cardiovascular Events in Chronic Coronary Disease A volumetric intravascular ultrasound comparison of early drug-eluting stent thrombosis versus restenosis Cardiac and Kidney Benefits of Empagliflozin in Heart Failure Across the Spectrum of Kidney Function: Insights From EMPEROR-Reduced The effect of complete percutaneous revascularisation with and without intravascular ultrasound guidance in the drugeluting stent era

Original Research2018 Jan 2;71(1):1-8.

JOURNAL:J Am Coll Cardiol. Article Link

Silent Myocardial Infarction and Long-Term Risk of Heart Failure: The ARIC Study

Qureshi WT, Zhang ZM, Soliman EZ et al. Keywords: electrocardiogram; heart failure; silent myocardial infarction

ABSTRACT


BACKGROUND - Although silent myocardial infarction (SMI) accounts for about one-half of the total number of myocardial infarctions (MIs), the risk of heart failure (HF) among patients with SMI is not well established.


OBJECTIVES - The purpose of this study was to examine the association of SMI and clinically manifested myocardial infarction (CMI) with HF, as compared with patients with no MI.


METHODS - This analysis included 9,243 participants from the ARIC (Atherosclerosis Risk In Communities) study who were free of cardiovascular disease at baseline (ARIC visit 1: 1987 to 1989). SMI was defined as electrocardiographic evidence of MI without CMI after the baseline until ARIC visit 4 (1996 to 1998). HF events were ascertained starting from ARIC visit 4 until 2010 in individuals free of HF before that visit.


RESULTS - Between ARIC visits 1 and 4, 305 SMIs and 331 CMIs occurred. After ARIC visit 4 and during a median follow-up of 13.0 years, 976 HF events occurred. The incidence rate of HF was higher in both CMI and SMI participants than in those without MI (incidence rates per 1,000 person-years were 30.4, 16.2, and 7.8, respectively; p < 0.001). In a model adjusted for demographics and HF risk factors, both SMI (hazard ratio [HR]: 1.35; 95% confidence interval [CI]: 1.02 to 1.78) and CMI (HR: 2.85; 95% CI: 2.31 to 3.51) were associated with increased risk of HF compared with no MI. These associations were consistent in subgroups of participants stratified by several HF risk predictors. However, the risk of HF associated with SMI was stronger in those younger than the median age (53 years) (HR: 1.66; 95% CI: 1.00 to 2.75 vs. HR: 1.19; 95% CI: 0.85 to 1.66, respectively; overall interaction p by MI type <0.001).

CONCLUSIONS - SMI is associated with an increased risk of HF. Future research is needed to examine the cost effectiveness of screening for SMI as part of HF risk assessment, and to identify preventive therapies to improve the risk of HF among patients with SMI.


Copyright © 2018 American College of Cardiology Foundation. Published by Elsevier Inc. All rights reserved.