RESULTS Totally 105 elderly patients with VAP had serious underlying diseases,and were treated with broad-spectrum antibiotics,tracheal intubation or trachea incision.

• 结果105例老年患者均有较严重的基础疾病,住院日长,进行过气管插管、气管切开或呼吸机治疗,使用过多种广谱抗菌药物。