目的了解重症监护病区（ICU）和神经内科在院内感染中检出的多重耐药铜绿假单胞菌之间是否存在同源性。
Objective To study if the highly multidrug-resistant Pseudomonas aerogenosa(P. aerogenosa) in nosocomial infection from intensive care unit(ICU) and neurological ward are homologous.
结论条件致病菌是感染菌谱中的主要病原菌，多重耐药菌的增多和混合感染是医院面临的重要问题。
Conclusion Opportunistic pathogens were the main pathogens, multiply drug resistant strains and mixed infection were important problems in hospital.
耐药质粒可通过接合转移方式转移至其他细菌，这在多重耐药克雷伯氏菌暴发流行中具有重要意义。
The resistant plasmids can be transferred to other bacterial through conjugation and transformation, it is very important in the outbreak of KB infection.
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