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对上海市各区（县）部分医院吸氧装置湿化瓶中湿化液检测３９３份样本。其中，非一次使用性与一次使用性湿化瓶中湿化液细菌总数＞１００ｃｆｕ／ｍｌ、污染霉菌或绿脓杆菌者分别占５８９５％（２１４／３６３）与８０００％（２４／３０）。湿化液污染微生物程度随湿化瓶连续使用时间延长而加剧。
A total of 393 samples were tested for the wetting fluid in the oxygenation humidifier bottles in some hospitals in all districts of Shanghai. Among them, the total number of bacteria in humidifying solution> 100cfu / ml in non-disposable and single-use moisturizing bottles, 58.95% (214/363) and 8000% (24 / 30). The degree of microbial contamination of the wetting fluid is exacerbated by the prolonged use of the wetted bottle.