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目的探讨小儿鼾症手术全身麻醉时合适的气管插管深度。方法选择ASAⅠ级行鼾症手术患儿60例,随机等分3组,每组20例。Ⅰ组,插管深度(cm)=年龄(岁)/2+12;Ⅱ组,插管深度(cm)=[年龄(岁)+10]/2+12;Ⅲ组,插管深度(cm)=年龄(岁)/2+14。3组年龄、体重、手术种类和手术时间无显著性差异。记录气管导管深度(为导管尖端距门齿的距离),气管插管成功后、每次头位变动后通过听诊双肺及监测etCO2确定导管位置,气管导管脱出或进入主支气管为失败,统计失败率。结果Ⅰ组失败率为15%,Ⅱ组失败率为35%,Ⅲ组失败率为0%。Ⅱ组与Ⅲ组比较有显著性差异。结论按公式“插管深度(cm)=年龄(岁)/2+14”计算出来的气管插管深度比较适合应用于小儿鼾症手术全身麻醉。
Objective To investigate the appropriate tracheal intubation depth during general anesthesia for pediatric snoring surgery. Methods Sixty children with ASA grade Ⅰ snoring were randomly divided into three groups (n = 20 in each group). In group Ⅰ, the depth of intubation (cm) was (age) / 2 + 12; in group Ⅱ, the depth of intubation was (cm) = [age +10] / 2 + ) = Age (years) /2 +14.3 group age, weight, type of surgery and operation time no significant difference. Record the depth of the tracheal tube (the distance between the catheter tip and the incisors). After the tracheal intubation succeeds, the position of the catheter is determined through the auscultation of the lungs and monitoring the etCO2 after each change of the head position. The failure of the tracheal tube prolapse or entry into the main bronchus, . Results The failure rate of group Ⅰ was 15%, the failure rate of group Ⅱ was 35%, and the failure rate of group Ⅲ was 0%. There were significant differences between group Ⅱ and group Ⅲ. Conclusion The intratracheal intratracheal depth calculated according to the formula “intubation depth (cm) = age (years) / 2 + 14” is more suitable for general anesthesia in pediatric snoring surgery.