机械通气治疗失败的重要原因之一是感染。感染的原因很多,气管切开伤口感染、上呼吸道湿化和防御功能丧失、无菌操作不严格、呼吸机管道消毒不彻底、痰液引流不畅、吸入气没有足够湿化等,均可导致肺部的继发感染。为提高机械通气治疗的成功率,用强有力的抗生素预防和控制感染至 One of the important reasons for the failure of mechanical ventilation is infection. Many reasons for infection, tracheotomy wound infection, loss of upper respiratory tract wetting and defensive function, aseptic operation is not strict, ventilator pipe disinfection is not complete, poor drainage of sputum, inhalation gas is not humidified, etc., can lead to Pulmonary secondary infection. In order to improve the success rate of mechanical ventilation, use of powerful antibiotics to prevent and control infection to