在接受初级PCI的ST-升高心肌梗塞患者中对empagliflozin的影响:EMI-STEMI随机临床试验
Elnaz Khani1, Naser Aslanabadi2, Kazem Mehravani2
1Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran.
概括
在ST升高心肌梗塞的患者中,empagliflozin没有改善ST细分分辨率或心脏托波水平. 然而,empagliflozin治疗显著改善了初级穿皮冠状动脉干预后的左心室射出分数.
科学领域:
- 心脏病学 心脏病学
- 药理学 药理学是指药理学的学科.
- 临床试验 临床试验
背景情况:
- 众所周知,像empagliflozin这样的-葡萄糖共运输体2 (SGLT2) 抑制剂可以改善心力衰竭中的心血管结果.
- 在急性心肌梗塞 (AMI) 中,empagliflozin的疗效需要进一步研究.
- 这项研究侧重于非糖尿病,非心力衰竭患者经历ST升高心肌梗塞 (STEMI).
研究的目的:
- 评估在STEMI患者的初级皮肤穿透冠状动脉干预 (PCI) 之前给药的empagliflozin的疗效.
- 评估empagliflozin对主要临床参数和初级PCI后患者结局的影响.
- 确定前期使用empagliflozin治疗是否会影响心肌损伤标志物和心室功能.
主要方法:
- 一项随机对照试验,涉及101名接受初级PCI的STEMI患者.
- 患者接受了empagliflozin (PCI前10毫克,每天服用40天) 或安慰剂,同时接受标准治疗.
- 主要结局包括左心室喷射分数 (LVEF) 的变化,心脏托波宁I (cTnI) 水平 (峰值和AUC),以及PCI后90分钟的ST段分辨率.
主要成果:
- 在empagliflozin和安慰剂组 (46.0%对45.0%,p=0.92) 之间,ST段分辨率 (>50%) 没有显著差异.
- 心脏中托波宁I水平,包括峰值水平和曲线下的面积 (AUC),在两组之间没有显著差异.
- 在PCI后40天,empagliflozin组 (43.2%) 的左心室射出分数 (LVEF) 与安慰剂组 (39.2%) 相比,在empagliflozin组 (43.2%) 的左心室射出分数显著更高 (p=0.002).
结论:
- 在接受初级PCI的STEMI患者中,empagliflozin治疗没有显著改变cTnI水平或ST段分辨率.
- 这项研究表明,在STEMI后,empagliflozin在改善左心室喷射率 (LVEF) 中具有潜在的益处.
- 需要进行进一步的研究,以探索SGLT2抑制剂在急性心肌梗塞的情况下的心脏保护机制.
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