Oral application of antiseptics including chlorhexidine, etc. reduced the incidence of ventilator associated pneumonia, but neither antiseptic nor antibiotic oral decontamination reduced mortality.

• 氯己啶等消毒剂口腔用药可预防呼吸机相关肺炎发生,但此类消毒剂以及抗生素均不能降低其死亡率;