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右美托咪定预先给药对无痛人工流产术后疼痛的影响

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摘要 目的观察右美托咪定预先给药对无痛人工流产术后疼痛的影响。方法选择自愿要求无痛人工流产终止妊娠的患者100例,ASA分级I-II级,采用随机数字表法将其分为2组:右美托咪定组(Dex组)和对照组(C组),每组50例。Dex组于麻醉前10min静脉泵注右美托咪定0.6μg/kg,C组给予等容量生理盐水,术中根据患者有无疼痛反射及血压、呼吸状况等追加丙泊酚用量0.2-0.5mg/kg。术后患者VAS疼痛评分3分以上者,静脉注射氟比洛芬酯50mg进行补充镇痛。记录两组患者手术时间、清醒时间,分别于给予Dex前(T_1)、手术开始时(T_2)、术毕时(T_3)、术后1h(T_4)和术后4h(T_5),记录患者MAP、SpO_2、HR和RR,记录T_4、T_5时VAS疼痛评分、术后满意度综合评分、术后恶心、呕吐发生率和镇痛药追加率。结果两组患者手术时间和清醒时间比较差异无统计学意义(P>0.05);与T_1比较,Dex组于T_2和T_3时HR明显下降(P<0.05),C组各时点HR差异无统计学意义(P>0.05);与C组比较,Dex组于T_2和T_3时HR明显下降(P<0.05)。与C组比较,Dex组患者于T_4、T_5时VAS疼痛评分和镇痛药追加率明显下降,满意度综合评分明显升高(P<0.05),术后恶心呕吐发生率差异无统计学意义(P>0.05)。结论在无痛人工流产术前预先静脉泵注右美托咪定0.6μg/kg,可以减轻手术后的疼痛,对呼吸循环影响甚微,且提高患者术后舒适满意度。
出处 《江西医药》 CAS 2016年第10期1113-1115,共3页 Jiangxi Medical Journal
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