摘要:
目的:观察预注纳美芬能否有效抑制芬太尼诱发的呛咳反应,以及预注纳美芬对患者诱导期间血流动力学的影响。方法:纳入择期全麻手术患者78例,美国麻醉医师协会(ASA)Ⅰ或Ⅱ级,随机分成3组,每组26例。3组患者入室后100%O2面罩通气2 min(T0),静脉诱导前分别注射0.9%氯化钠液(对照组)、0.25 μg/kg纳美芬(0.25纳美芬组)、0.5 μg/kg纳美芬(0.5纳美芬组)10 mL,2 min后(T1)记录心率(HR)、无创血压(NBP)、脉搏氧饱和度(SpO2);5 s内静脉注射4 μg/kg芬太尼,2 min后(T2)记录HR、NBP、SpO2,并观察这2 min内是否出现呛咳反应。T2时刻后静脉注射2.5 mg/kg丙泊酚、0.6 mg/kg罗库溴铵、1.5 mg/kg利多卡因诱导,90 s后行气管插管。气管插管后(T3)即刻记录HR、NBP、SpO2。结果:对照组呛咳的发生率为53.8%,高于0.25纳美芬组(3.8%,P<0.01)及0.5纳美芬组(0,P<0.01)。纳美芬组与对照组各时间点血流动力学差异均无统计学意义。结论:预注纳美芬能有效抑制芬太尼诱导时的呛咳反应,且在试验剂量下不影响阿片类药物的交感抑制作用,不影响患者血流动力学。
关键词:
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纳美芬
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芬太尼
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呛咳
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血流动力学
Abstract:
Objective:To evaluate the suppressive effects of nalmefene pretreatment on the incidence of fentanyl-induced cough (FIC), and to observe the influence of nalmefene pretreatment on hemodynamic stability during general anesthesia induction. Methods:A total of 78 patients of American Society of Anesthesiologists(ASA)Ⅰand Ⅱ were enrolled and randomly divided into 3 groups (26 patients in each group). Patients in the 3 groups were ventilated by face mask 2 min (T0) after entering the operating room. Patients in the control group,nalmefene 0.25 group, nalmefene 0.5 group received normal saline, 0.25 μg/kg nalmefene,or 0.5 μg/kg nalmefene 10 mL before anesthesia induction respectively,2 min later(T1), the heart rate (HR), noninvasive blood pressure (NBP), and pulse oxygen saturation(SpO2) were recorded. Patients were then administrated with 4 μg/kg fentanyl within 5 s. The incidence of FIC and the vital signs were recorded 2 min after administration of fentanyl bolus (T2). After T2, patients were administered with 2.5 mg/kg propofol, 0.6 mg/kg rocuronium, and 1.5 mg/kg lidocaine, 90 s later, the intubation was performed (T3). The vital signs were also recorded after T3. Results:The incidence of cough in the control group was 53.8%, much higher than that in the nalmefene 0.25 group (3.8%,P<0.01) and nalmefene 0.5 group(0%, P<0.01). There was no significant difference in the hemodynamics between the control group and the nalmefene groups in the corresponding time points. Conclusions:Pretreatment of nalmefene could effectively suppress the FIC during general anesthesia induction, and it might not reverse the effect of opioids on sympathetic response and influencethe hemodynamic stability.