大量资料表明，医院内潮湿的地方及物品是铜绿假单胞菌（ＰＡ）长期贮存的场所。病人用后的氧气湿化瓶、贮液瓶、呼吸（麻醉）机螺纹管如不妥善消毒处理，则可成为ＰＡ的良好贮存场所，并可作为传播ＰＡ的直接媒介。由于肿瘤病人的免疫力下降，更易成感染者。于１９９４年... A large number of data indicate that the wet places and objects in the hospital are sites for long-term storage of Pseudomonas aeruginosa (PA). After the patient’s use of oxygen humidified bottles, liquid bottles, breathing (anaesthetic) machine threaded pipe, if not properly disinfected, it can become a good place for PA storage, and can be used as a direct medium for PA transmission. As the cancer patient’s immunity is reduced, it is more likely to become infected. In 1994...