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妇科腹腔镜手术患者术前鼻内滴注右美托咪定对全身麻醉气管插管应激反应的影响

Effects of intranasal dexmedetomidine premedication on stress of tracheal intubation in patients undergoing gynecological laparoscopic surgery

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【作者】 曾庆玲官英勇黄今肇马媛

【Author】 Zeng Qingling;Guan Yingyong;Huang Jinzhao;Ma Yuan;Department of Anesthesiology,Yulin First People’s Hospital of Guangxi Zhuang Autonomons Region;

【机构】 广西壮族自治区玉林市第一人民医院麻醉科

【摘要】 目的 探讨妇科腹腔镜手术患者术前鼻内滴注右美托咪定对全身麻醉气管插管应激反应的影响。方法 选取行妇科腹腔镜手术患者65例,将患者按随机数字表随机分为右美托咪定1.0μg/kg组(22例)、右美托咪定2.0μg/kg组(23例)和对照组(20例)。全身麻醉诱导前30 min分别给右美托咪定1.0μg/kg组和右美托咪定2.0μg/kg组按右美托咪定1.0μg/kg和2.0μg/kg鼻内滴注给药,而对照组给予等量的0.9%氯化钠注射液。记录3组患者鼻内给药前(T0)、麻醉诱导前(T1)、插管前(T2)、插管后1 min(T3)、插管后3 min(T4)、插管后6 min(T5)各时点的心率和血压;于T0、T1和T4时点检测3组患者血清去甲肾上腺素(NE)、肾上腺素、皮质醇和血糖水平。结果 T1、T3、T4和T5 4个时点右美托咪定1.0μg/kg组和右美托咪定2.0μg/kg组心率和收缩压明显低于对照组[T1:(79±9)、(72±8)次/min比(88±11)次/min,(114±12)、(111±14)mmHg(1 mmHg=0.133 kPa)比(123±12)rrmHg,T3:(85±13)、(82±11)次/min比(99±15)次/rnin,(124±13)、(115±11)mmHg比(133±14)mmHg,T4:(89±12)、(81±11)次/min比(102±14)次/min,(125±12)、(116±10)mmHg比(136±15)mmHg,T5:(84±11)、(77±10)次/min比(94±13)次/min,(118±12)、(110±10)mmHg比(130±12)mmHg](均P<0.05),右美托咪定2.0μg/kg组患者的心率和收缩压在T1、T3、T4和T54个时点也明显低于右美托咪定1.0μg/kg组(P<0.05);T1和T4时点右美托咪定1.0μg/kg组和右美托咪定2.0μg/kg组患者的NE、肾上腺素、皮质醇和血糖明显低于对照组[T1:(164±15)、(135±13)ng/L比(195±15)ng/L,(28.7±2.5)、(25.4±2.8)ng/L比(35.8±3.9)ng/L,(205±37)、(198±32)ng/L,比(235±36)ng/L,(4.4±0.4)、(4.3±0.4)mmol/L比(4.7±0.5)mmol/L;T4:(195±17)、(184±16)ng/L比(234±16)ng/L,(34.6±3.5)、(30.5±3.1)ng/L比(41.5±4.5)ng/L,(254±42)、(240±40)ng/L比(286±46)ng/L,(4.8±0.4)、(4.5±0.4)mrnol/L比(5.3±0.6)mmol/L](均P<0.05),且T1和T4时点右美托咪定2.0μg/kg组患者的NE、肾上腺素,皮质醇和血糖明显低于右美托咪定1.0μg/kg组(P<0.05)。结论 妇科腹腔镜手术患者术前鼻内滴注右美托咪定1.02.0μg/kg能够有效抑制全身麻醉气管插管的应激反应。

【Abstract】 Objective To investigate the effects of intranasal dexmedetomidine premedication on stress of tracheal intubation in patients undergoing gynecological laparoscopic surgery.Methods The study enrolled 65 patients who underwent selective gynecological laparoscopic surgery.All patients were randomly assigned to three groups:dexmedetomidine 1.0 μg/kg group(intranasal administrated dexmedetomidine 1.0 μg/kg 30 min before induction of anesthesia,n =22);dexmedetomidine 2.0 μg/kg group(intranasal administrated dexmedetomidine2.0 μg/kg,n =23);control group(placebo,intranasal administrated normal saline 1 ml,n =20).Systolic blood pressure(SBP),diastolic blood pressure(DBP) and heart rate(HR) were recorded at 5 min before the intranasal administered drug(T0),before induction(T1),before trachea cannula after induction(T2),1 minute(T3),3 minutes(T4) and 6 minutes(T5) after trachea cannula during anesthetic induction.The levels of NE(norepinephrine),epinephrine,Cortisol and the blood sugar concentration were measured at the time of T0,T1 and T4.Results At the time of T1,T3,,T4,T5,the HR values and SBP in both dexmedetoniidine 1.0 μg/kg group and dexmedetomidine 2.0 μg/kg group were significantly lower than that in the control group[T1:(79 ± 9),(72 ±8) times/min vs(88 ± 11) times/min,(114 ± 12),(111 ±14)mmHg vs(123 ± 12) mmHg;T3:(85 ± 13),(82 ±11) times/min vs(99 ± 15) times/min,(124 ± 13),(115 ± 11) mmHg vs(133 ± 14) mmHg;T4:(89 ± 12),(81±11) times/min vs(102 ± 14) times/min,(125 ± 12),(116 ± 10) mmHg vs(136 ± 15) mmHg,T5:(84 ±11),(77 ±10) times/min vs(94 ± 13) times/min,(118 ±12),(110 ±10) mmHg vs(130 ±12) mmHg],while the HR and SBP values in dexmedetoniidine 2.0 μg/kg group remarkable better than dexmedetomidine 1.0 μg/kg group(P <0.05);while those values in dexmedetomidine 2.0 μg/kg group were significanty lower than in dexmedetomidine 1.0 μg/kg group(P < 0.05).The concentration of NE,epinephrine,Cortisol and the blood sugar at T1,T4 in dexmedetomidine 1.0 μg/kg group and dexmedetoniidine 2.0 μg/kg group was significanty lower than in the control group[T1:(164 ± 15),(135 ±13)ng/L vs(195 ± 15) ng/L,(28.7 ±2.5),(25.4 ± 2.8) ng/L vs(35.8±3.9)ng/L,(205 ±37),(198 ±32)ng/L vs(235 ± 36) ng/L,(4.4 ±0.4),(4.3 ±0.4)mmol/L vs(4.7±0.5)mmol/L;T4:(195±17),(184±16)ng/L vs(234 ± 16) ng/L,(34.6 ±3.5),(30.5 ±3.1) ng/L vs(41.5 ±4.5) ng/L,(254 ±42),(240 ±40) ng/L vs(286 ±46) ng/L,(4.8 ±0.4),(4.5 ±0.4)mmol/L vs(5.3 ±0.6)mmol/L],while the concentration of NE,epinephrine,cortisol and the blood sugar in dexmedetomidine 2.0 μg/kg group were significantly better than those in dexmedetomidine 1.0 μg/kg group(P<0.05).Conclusion Intranasal administration of dexmedetoniidine of 1.0-2.0 μg/kg at 30 min before operation can effectively reduce stress response to tracheal intubation.

  • 【分类号】R614
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