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德克斯梅托米丁与SGB结合,可减少心脏置换过程中的术后认知功能障碍和氧化应激

Jing Zhao¹, Jinjiang Liu, Yang Zhang

¹Department of Anesthesiology, 404 Hospital Mianyang, Sichuan Province, China.

|August 27, 2025

概括

在心脏门手术中,将德克斯梅托米丁与星状块结合使用改善了血液动力学和减少了氧化应激. 这种方法还降低了术后认知功能障碍和麻醉并发症的发生率.

科学领域:

麻醉学
心血管外科
神经保护

背景情况:

在体外循环下进行心脏置换手术在血液动力学稳定性和神经保护方面存在挑战.
德克斯梅托米丁 (Dex) 用于镇静和止痛,但其与其他干预措施的结合正在探索改善结果.
在心脏手术期间,星状质阻塞可能会影响自主反应.

研究的目的:

在接受心脏置换的患者中,评估德克斯梅托米丁与星状关节阻塞的疗效.
评估这种综合方法对血液动力学参数,脑氧代谢和血清生物标志物的影响.
确定对术后认知功能障碍 (POCD) 和麻醉相关不良事件的影响.

主要方法:

对接受心肺绕道心脏置换的93名患者进行了回顾性研究.
研究组在麻醉诱导前接受了SGB,随后注入了Dex;对照组仅接受了Dex.
血液动力学,脑氧代谢 (D(a-jv) O2,CERO2),血清生物标志物 (S100β,NSE,MDA,SOD),POCD发生率和不良事件的比较.

主要成果:

在诱导和体外循环过程中,Dex + SGB组的平均动脉压保持较高,但在术后保持较低.
在Dex+SGB组,在体外循环过程中观察到明显较低的D ((a- jv) O2和CERO2.
在Dex+SGB组中,氧化应激标志物 (S100β,NSE,MDA) 降低,SOD水平在手术后得到改善.
在Dex+SGB组中,术后第3天和第5天的POCD发病率较低,麻醉相关不良事件较少.

结论:

在心脏置换期间,与星状关节阻塞相结合的手术前德克斯梅托米丁有效地稳定血液动力学.
这种组合减轻了氧化应激,降低了术后认知功能障碍和麻醉并发症的风险.
在心脏门手术中,德克斯梅托米丁与SGB是改善患者结果的有希望的策略.

关键词:

麻醉剂心胸外科手术德克斯梅德胺身体外循环星状关节块门置换手术

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