Results Elderly patients with long term tracheostomy were more vulnerable to lower respiratory tract infection because of low resistance and long hospital stay, with G bacilli and aeruginous Pseudomonas predominant.

  • 结果老年患者机体抵抗力低下,平均住院时间长,下呼吸道感染发病率高,痰培养以G杆菌为主,铜绿假单胞菌居首。

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