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全身麻醉复合硬膜外麻醉对老年胆囊切除术患者术后认知功能的影响 被引量:20

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摘要 目的观察全身麻醉复合硬膜外麻醉对老年胆囊切除术患者术后认知功能的影响,并探讨其机制。方法将50例老年胆囊切除术患者随机分成观察组和对照组各25例,观察组采用全身麻醉复合硬膜外麻醉,对照组采用硬膜外麻醉;分别于颈内静脉逆行穿刺完成后即刻(T0)、手术开始切皮即刻(T1)、术中1 h(T2)、术毕(T3)取血行血气分析,计算颈内静脉血氧饱和度(Sjv O2)、颈内动-静脉血氧含量差(Ca O2-Cj VO2)及脑氧摄取率(CERO2),同时检测血清S100β;于术前及术后1、3、5 d行简易智能状态量表(MMSE)评分,观察术后认知功能障碍(POCD)的发生情况。结果与对照组比较,观察组T1、T2、T3时的Sjv O2升高而Ca O2-Cj VO2、CERO2降低,T1、T3时的血清S100β水平降低,P均<0.05;观察组术后1、3、5 d的POCD发生率分别为12%、4%、0,对照组分别为24%、16%、8%,两组比较,P均<0.05。结论全身麻醉复合硬膜外麻醉可提供更充足的氧气保护大脑,降低血清S100β水平,从而减少POCD的发生。
出处 《山东医药》 CAS 北大核心 2015年第28期69-70,共2页 Shandong Medical Journal
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