机械通气在治疗新生儿呼吸衰竭、新生儿肺透明膜病、肺出血及新生儿持续肺动脉高压等严重疾病起到很大的作用,但其并发感染严重影响患儿的预后,尤以肺炎较为常见,称为机械通气相关性肺炎(ventilator association pneumonia,VAP)。本研究对我院新生儿科2001年1月至2005年6月新生 Mechanical ventilation plays a very important role in the treatment of neonatal respiratory failure, neonatal hyaline membrane disease, pulmonary hemorrhage and neonatal persistent pulmonary hypertension and other serious diseases, but its concurrent infection seriously affects the prognosis of children, especially pneumonia is more common , Known as ventilator-associated pneumonia (VAP). This study on neonatal hospital in our hospital from January 2001 to June 2005 new students