Objective To investigate the effect of filtrating bacteria on breathingcircuit after general anesthesia.
目的观察呼吸过滤器对麻醉呼吸回路的滤菌作用。
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RESULT After the filter used, the rate of nosocomial lower respiratory tract infection is reduced obviously, and breathingcircuit almost have no bacteria colonized.
结果使用生物过滤器后医院下呼吸道感染发生率显著下降,呼吸回路螺纹管内几乎无细菌寄居。
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CONCLUSIONS to control infection effectively, effective sterilizing measures must be carried out, especially attention to sterilizing and managements of the breathingcircuit.