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盐酸右美托咪定对老年胃肠手术后患者早期认知功能的影响 被引量:14

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摘要 目的探讨右美托咪定对老年胃肠手术后患者早期认知功能的影响。方法选择全麻下行择期胃癌、结肠癌或直肠癌手术且年龄/〉60岁的老年患者50例,随机分为右美托咪定组(D组)和对照组(C组)。两组患者均接受全身麻醉,诱导前分别静脉微泵右美托咪定(1.0μg/kg)或等量生理盐水,持续时间20min。观察并记录围手术期的血压和心率,分别在术前1天及术后第1天、第3天第7天进行神经心理学评估,采用简易智力量表测试。结果两组患者手术时间、麻醉用药、出血量和输液量比较差异无统计学意义(P〉0.05)。两组手术开始前时SBP、DBP和HR均较基础值显著降低(P〈0.05),且D组心率明显低于C组(t=3.647,P=0.001),手术关腹前时D组心率明显也低于C组(t=3.896,P=0.000),差异有统计学意义(P〈0.05)。术后第1天MMSE评分均较术前稍有下降,其中右美托咪定组有5例出现术后认识功能障碍(POCD),发生率20.0%,对照组共有7例出现POCD,发生率28.0%,两组比较差异无统计学意义(P〉0.05)。结论右美托咪定可安全地应用于老年患者全身麻醉,不会增加术后认知功能障碍的发生。
出处 《中国医师杂志》 CAS 2013年第5期660-662,共3页 Journal of Chinese Physician
基金 广东省韶关市医药卫生科研计划项目(Y12140) 广东省韶关市科技计划项目(2012CX/K60)
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