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目的探讨丙泊酚复合雷米芬太尼静脉全麻对人工流产术患者记忆功能的影响。方法人工流产术患者60例,采用丙泊酚复合雷米芬太尼静脉全麻。按脑电双频指数(BIS)值均分为A(BIS值66-85)、B(BIS值41-65)、C(BIS值30-40)三组,比较术后外显记忆和内隐记忆成绩的变化。结果与0比较,A组术后两种记忆成绩均有统计学差异(P<0.05),B组仅内隐记忆成绩有统计学差异(P<0.05),C组两种记忆成绩均无统计学差异(P>0.05)。结论 BIS值41-65时,患者外显记忆消失,但内隐记忆存在。为避免内隐记忆带来的的不良影响,应控制BIS值30-40的麻醉深度。
Objective To investigate the effect of propofol combined with remifentanil intravenous anesthesia on memory function in patients undergoing induced abortion. Methods Sixty patients with induced abortion were treated with propofol combined with remifentanil intravenously. The BIS values were divided into three groups: A (BIS value 66-85), B (BIS value 41-65) and C (BIS value 30-40) Changes in memory results. Results Compared with 0, the scores of two kinds of memory in group A were significantly different (P <0.05). Only the implicit memory in group B was statistically significant (P <0.05), but there was no statistical difference in group C Learning difference (P> 0.05). Conclusion When the BIS value is 41-65, the patient’s memory disappears, but the implicit memory exists. To avoid the negative effects of implicit memory, the depth of anesthesia should be controlled for BIS values of 30-40.