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

目分析呼吸机相关肺(VAP)原学以及药物敏感况。

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

VAP发生与年龄、机时间、鼻饲、抑酸剂及抗生素应用有关。