轻度低温导致心脏冲击并发性心肌梗塞
Georg Fuernau1,2,3, Johannes Beck3, Steffen Desch1,2,3
1Medical Clinic II (Cardiology/Angiology/Intensive Care Medicine), University Heart Center Luebeck, University Hospital Schleswig-Holstein (G.F., S.D., I.E., A.J., S.d.W.-T), University of Luebeck, Germany.
Circulation
|July 21, 2018
概括
在急性心肌梗塞患者中,轻度治疗性低温并未改善心脏功能. 这项研究没有发现显著的血液动力学益处,这表明它可能不是一个有益的治疗在这个特定的患者群体.
科学领域:
- 心脏病学
- 危急护理医学
- 治疗性低温症
背景情况:
- 实验数据表明轻度治疗性低温 (MTH) 可能改善心肌梗塞 (MI) 后心脏性休克的结果.
- 然而,缺乏对该特定群体的血液动力学影响的强有力的临床证据.
- 这项研究旨在澄清MTH在治疗急性心脏病发作并发症中的作用.
研究的目的:
- 在急性心肌梗塞 (MI) 后经历心脏性休克的患者中研究轻度治疗性低温 (MTH) 的血液动力效应.
- 评估MTH对心脏功率指数和其他血液动力学参数的影响.
- 在接受MTH治疗的患者中评估动脉乳酸水平和30天死亡率.
主要方法:
- 这是一项随机对照试验,涉及40名心脏病发作后心脏冲击患者进行初级穿皮冠状动脉干预.
- 患者被随机分为1:1接受24小时的MTH或标准治疗 (对照组).
- 主要终点是24小时心力功率指数,次要终点包括其他血液动力学测量和动脉乳酸.
主要成果:
- 在MTH和对照组之间没有观察到主要终点的显著差异,即24小时内心功率指数 (0. 41比0. 36W/ m2;P=0. 50).
- 血液动力学测量和30天死亡率 (60%对50%;P=0. 55) 在两组之间没有统计差异.
- 在MTH组中,动脉乳酸水平显著上升,下降速度较慢 (相互作用P=0. 03).
结论:
- 轻度治疗性低温在心脏病发作后的24小时内对心脏功率指数没有显著的有益影响.
- 这些发现表明MTH可能不是改善血液动力学功能的有效干预措施.
- 可能需要进一步的研究来确定可能受益于MTH的特定子组.
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