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右美托咪啶预先给药对冠脉搭桥术后二次开胸手术中应激反应的影响

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摘要 目的:评价右美托咪啶预先给药对冠脉搭桥术后二次开胸手术中应激反应的影响。方法冠脉搭桥术后行二次开胸手术的全麻患者13例,其中应用右美托咪啶7例( D组)和未应用右美托咪啶6例( C组)。 D组麻醉诱导前15 min静脉泵注右美托咪啶1μg/kg,记录入室后基础值(T0),右美托咪啶泵注结束(T1),气管插管前即刻(T2),气管插管后即刻(T3),气管插管后5 min(T4)的HR、MBP、SpO2值,测定各时点的血浆肾上腺素(E)及去甲肾上腺素( NE)浓度。结果与C组比较,D组T1、T2时间点的HR降低, T3、T4时间点的HR、BMP降低,差异有统计学意义( P <0.05);与T0时间点比较,C组HR、BMP在T2时间点降低,差异有统计学意义( P <0.05);D组HR、BMP在T1~T4时间点下降,差异有统计学意义( P <0.05)。与T2时间点比较,C组HR、BMP在T3、T4时间点升高,差异有统计学意义( P <0.05)。与C组比较,D组患者在T3、T4时间点的血浆肾上腺素、去甲肾上腺素浓度均较低( P <0.05)。与T0比较,C组患者在T3、T4时间点的血浆肾上腺素、去甲肾上腺素浓度均升高( P <0.05)。结论全麻诱导前右美托咪啶预先给药可减少气管插管应激反应,血流动力学变化小,心血管反应少,可安全用于冠脉搭桥术后二次开胸手术中。
出处 《河北医药》 CAS 2014年第21期3282-3284,共3页 Hebei Medical Journal
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