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小剂量氯胺酮抑制瑞芬太尼全麻术后痛觉过敏的效果观察

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摘要 目的:观察小剂量氯胺酮对瑞芬太尼术后痛觉过敏效果。方法:将140例腹腔镜胆囊切除手术患者,随机分为两组:A组70例,选用丙泊酚、芬太尼、维库溴胺静脉麻醉加气管插管全身麻醉,术中维持用丙泊酚靶控输泵注0.005%瑞芬太尼静脉微量泵静注、并间断静注维库溴胺维持麻醉。术毕停止麻醉,符合拨管指征后拔除气管导管。B组70例,麻醉诱导及维持方法同A组。只是在手术快要结束时,静脉注射氯胺酮0.5m/kg,符合拨管指征后拔除气管导管。两组患者术后均送麻醉恢复室进行观察。结果A组的VAs评分明显高于B组,差异有统计学意义(P<0.05);两组患者无一例要求再次镇痛;两组患者麻醉后24h内的不良反应差异无统计学意义(P>0.05)。结论:瑞芬太尼维持麻醉可引起患者术后早期痛觉过敏,小剂量氯胺酮静脉注射对瑞芬太尼麻醉术后患者痛觉过敏有明显的预防作用。
作者 李树贤
出处 《内蒙古中医药》 2012年第12期80-81,共2页 Inner Mongolia Journal of Traditional Chinese Medicine
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