Clinical impact of tricuspid regurgitation in patients with acute myocardial infarction

IF 3.7 2区 医学 Q2 CARDIAC & CARDIOVASCULAR SYSTEMS
Shun Nishino, Chiharu Nishino, Michikazu Nakai, Kensaku Nishihira, Nehiro Kuriyama, Yoshisato Shibata
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Abstract

Aims

The clinical impact of tricuspid regurgitation (TR) in patients after acute myocardial infarction (AMI) is largely unknown. The aim of this study was to clarify the prevalence and prognostic impact of TR in post-AMI patients treated with appropriate primary percutaneous coronary intervention (PCI).

Methods and results

Three hundred fifty-one consecutive patients with first-onset AMI who underwent successful primary PCI from July 2014 to December 2018 were retrospectively examined. Standard two- and three-dimensional echocardiography were performed at discharge. Based on the presence or absence of mild or greater TR, patients were divided into TR (+) and TR (−) groups, respectively. The primary outcome was the incidence of major adverse cardiac events (MACE), defined as the composite of death, re-hospitalization for congestive heart failure and recurrent MI. Seventy-eight (22.2%) patients had mild or greater TR. Kaplan–Meier analysis showed that the cumulative 6-year incidence of MACE was significantly higher in the TR (+) group (hazard ratio, 2.56 [95% confidence interval, 1.48–4.44]; P < 0.001). In the analysis of the severity of TR, the prognosis of patients with mild TR was significantly worse than that of patients without TR (P = 0.026). Multivariable analysis identified the left anterior descending coronary artery as the culprit vessel, left atrial dilation (>34 mL/m2), reduced left ventricular ejection fraction (<50%) and the presence of significant (≥mild) ischaemic mitral regurgitation as independent predictors of mild or greater residual TR after primary PCI for AMI at discharge. Following adjustment for significant clinical parameters, mild or greater TR at discharge was still associated with a significant hazard ratio for the occurrence of MACE (1.87, [95% confidence interval, 1.01–3.48]; P = 0.048).

Conclusions

The presence of mild or greater TR at discharge may serve as a poor prognostic marker in patients with first-onset AMI. In addition to traditional clinical risk factors, it is important to pay more attention to TR and to manage it appropriately.

Abstract Image

急性心肌梗死患者三尖瓣反流的临床影响。
目的:急性心肌梗死(AMI)后三尖瓣反流(TR)的临床影响在很大程度上是未知的。本研究的目的是阐明经适当的初级经皮冠状动脉介入治疗(PCI)的ami后患者TR的患病率和预后影响。方法与结果:回顾性分析2014年7月至2018年12月连续351例成功行首次PCI治疗的AMI患者。出院时进行标准二维和三维超声心动图检查。根据有无轻度或重度TR,将患者分为TR(+)组和TR(-)组。主要终点是主要心脏不良事件(MACE)的发生率,定义为死亡、充血性心力衰竭再住院和复发性心肌梗死的复合。78例(22.2%)患者有轻度或更严重的TR。Kaplan-Meier分析显示,TR(+)组6年累计MACE发生率显著高于前者(风险比为2.56[95%可信区间,1.48-4.44];p34 mL/m2),左心室射血分数降低(结论:出院时出现轻度或较大程度的TR可能是首发AMI患者预后不良的标志。除了传统的临床危险因素外,重视TR并对其进行适当的管理也很重要。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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来源期刊
ESC Heart Failure
ESC Heart Failure Medicine-Cardiology and Cardiovascular Medicine
CiteScore
7.00
自引率
7.90%
发文量
461
审稿时长
12 weeks
期刊介绍: ESC Heart Failure is the open access journal of the Heart Failure Association of the European Society of Cardiology dedicated to the advancement of knowledge in the field of heart failure. The journal aims to improve the understanding, prevention, investigation and treatment of heart failure. Molecular and cellular biology, pathology, physiology, electrophysiology, pharmacology, as well as the clinical, social and population sciences all form part of the discipline that is heart failure. Accordingly, submission of manuscripts on basic, translational, clinical and population sciences is invited. Original contributions on nursing, care of the elderly, primary care, health economics and other specialist fields related to heart failure are also welcome, as are case reports that highlight interesting aspects of heart failure care and treatment.
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