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目的:探讨喉罩通气在小儿脑立体定向术全身麻醉中应用的安全性。方法:选择脑立体定向手术患儿60例,随机分为喉罩组(观察组)和气管插管组(对照组)各30例。全身麻醉药物诱导完全起效后分别行喉罩和气管导管置入通气,记录两组麻醉诱导前、喉罩(气管插管)置入前、置入后、术后撤除喉罩(气管插管)时的平均动脉压(MAP)、心率(HR)、脉氧饱和度(SpO2)值,并对撤除喉罩(气管插管)后并发症发生情况进行比较。结果:两组麻醉诱导前、喉罩(气管插管)置入前的MAP、HR、SpO2相比较,差异均不显著(P>0.05);喉罩(气管插管)置入后、术后撤除喉罩(气管插管)时,观察组的MAP及HR显著低于对照组(P<0.05);术后并发症发生率比较,观察组非常显著低于对照组(P<0.01)。结论:喉罩通气可安全应用于小儿脑立体定向术全身麻醉中。
Objective: To investigate the safety of laryngeal mask ventilation in general anesthesia of pediatric brain stereotactic surgery. Methods: Sixty children with cerebral stereotactic surgery were randomly divided into laryngeal mask group (observation group) and tracheal intubation group (control group), 30 cases each. After induction of complete anesthesia, the laryngeal mask and endotracheal tube were ventilated. Before anesthesia induction, the laryngeal mask (intubation) was placed before and after the laryngeal mask ), Mean arterial pressure (MAP), heart rate (HR) and pulse oxygen saturation (SpO2) were measured. The complication after laryngeal mask laryngotracheal intubation was compared. Results: There was no significant difference in MAP, HR and SpO2 between the two groups before induction of anesthesia (P> 0.05). After laryngeal mask (intubation) MAP and HR in the observation group were significantly lower than those in the control group when the laryngeal mask was removed (tracheal intubation) (P <0.05). The incidence of postoperative complications in the observation group was significantly lower than that in the control group (P <0.01). Conclusion: Laryngeal mask ventilation can be safely applied to pediatric stereotaxic surgery in general anesthesia.