呼气末二氧化碳监测在小儿非插管全麻中的临床应用

摘要

Objective To investigate the value of end -tidal CO2 (pET(CO2)) monitoring in pediatric patients under general anesthesia without tracheal intubation. Methods Forty children who were going to receive general anesthesia without tracheal intubation, The change of waveform and value of PET(C02) and respiration rate(RR), pulse oxygen saturation(SpO2) were studied, then the statistical analysis of the results was performed. Results All the SpO2 of pediatric patients were keeped beyond 95％, increases of pET(CO2) during the anesthesia were significantly(P＜0.01), and the higest value was 8.7 kPa(65 mmHg). Conclusion CO2 accumulation is a common complication due to respiratory depression and respiratory tract obstruction in pediatric general anesthesia.pFT(CO2), monitoring through nasal cannula can improve the safety of children during pediatric general anesthesia. It is suggested that the PET(CO2) should serve as one of routine monitoring during pediatric general anesthesia without tracheal intubation.[Chinese Medical Equipment Journal,2011,32(8) :64,66]%目的:探讨呼气末二氧化碳监测(p<,ET>(CO<,2>))在小儿非插管全麻中应用的临床效果.方法:随机选择40例小儿非插管全麻患者,采用鼻氧管采气方法动态观察静脉全麻前、麻醉后呼气末二氧化碳分压和波形变化,同时记录呼吸频率(RR)以及脉搏氧饱和度(SpO<,2>)等变化,将结果进行统计学分析.结果:所有患儿麻醉过程中SpO<,2>均维持>95%,与麻醉前相比无明显差异(P>0.05),而p<,ET>(CO<,2>2)增高有显著意义(P<0.01),最高1例达8.7 kPa(65mmHg).结论:小儿非插管全麻中容易出现呼吸功能减弱,呼吸道不畅而导致CO<,2>蓄积,鼻导管P<,ET>(CO<,2>)监测可提高小儿非插管的安全性,建议将p<,ET>(CO<,2>)作为小儿非插管全麻常规监测项目.