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全麻对老年患者围术期神经认知障碍影响的研究进展

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摘要 老年患者全麻后出现脑功能障碍越来越受到重视。2018年,由多学科专家组成的“围术期认知命名工作组”使用“围术期神经认知障碍(Perioperative neurocognitive disorders,PND)”来描述患者围术期的认知功能改变[1]。PND主要包括术后谵妄(Postoperative delirium,POD)、术后认知功能障碍(Postoperative cognitive dysfunction,POCD)。尽管POD和POCD有诸多相似之处,在临床上均表现为认知功能下降或减退,但二者的定义、发病时间、病程、诊断标准以及预后等有本质区别。PND往往会延长患者的住院时间,加重其经济负担,降低患者生活质量[2]。迄今为止,有很多关于麻醉相关因素对认知功能影响的研究,如麻醉药物、麻醉方法的选择等,但其具体机制尚不清楚,结论仍具有争议性,其中,关于麻醉药物的争议主要是吸入麻醉药和静脉麻醉药的选择。老年患者身体各项机能退化,大脑重量减轻、神经元及脑血流量减少使其更易受全麻药物的影响[3]。本文从围术期神经认知障碍的定义、诊断标准、流行病学、麻醉药物和方法对其影响等方面进行综述,为老年患者围术期麻醉管理提供理论基础。
出处 《长治医学院学报》 2022年第6期475-480,共6页 Journal of Changzhi Medical College
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