Objective To analyze the aetiological characteristics and bacterial susceptibility in patients with ventilator-associated pneumonia (VAP) .

目的分析呼吸机相关肺炎(VAP)的病原学以及药物敏感情况。

Age, period of mechanical ventilator, nasogastric feeding, use of antiacid and antibiotics were related to the development with VAP.

VAP的发生与年龄、机械通气时间、鼻饲、抑酸剂及抗生素的应用有关。