PLoS One:低温颈动脉内膜切除术是安全的

2016-05-18 phylis 译 MedSci原创

背景:CEA与围手术期脑缺血风险发生相关,因为斑块操作可引起栓子产生,并且颈动脉夹的应用可降低脑血流量产生毒性作用。亚低温(34-35°C)可能是保护脑缺血损伤的最有效的方法。因此,研究者假设低温可能降低CEA相关的缺血性脑损伤的风险。本研究的目的是测试:在CEA手术开始前及手术过程中,是否全身血管内降温至34.5-35°C是安全可行的。方法:这项研究是在7例血管外科住院的患者,患者符合行CEA。

背景:CEA与围手术期脑缺血风险发生相关,因为斑块操作可引起栓子产生,并且颈动脉夹的应用可降低脑血流量产生毒性作用。亚低温(34-35°C)可能是保护脑缺血损伤的最有效的方法。因此,研究者假设低温可能降低CEA相关的缺血性脑损伤的风险。本研究的目的是测试:在CEA手术开始前及手术过程中,是否全身血管内降温至34.5-35°C是安全可行的。

方法:这项研究是在7例血管外科住院的患者,患者符合行CEA。CEA前60-90分钟,开始应用血管内方法(Zoll 系统)降温。CEA进行中,维持目标温度,之后控制复温(0.4°C/小时)。整个过程是在麻醉下进行的。

结果:所有患者均未发生不良事件。两例患者表现出短暂的心动过缓(心率30次/分)。CEA前后,临床状况,实验室和生理数据均无显著差异。

结论:CEA手术开始前及手术过程中,系统降温至34.5-35.0°C是安全可行的。

原始出处:

Candela S, Dito R, et al. Hypothermia during Carotid Endarterectomy: A Safety Study. PLoS One. 2016 Apr 8.


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