ConclusionAfter brain injury, the use of oxygen inhalation, nasal feeding, suction, tracheal intubation, tracheotomy, breathing machine were the main risky factors to cause lung infection.

结论颅脑损伤后，氧气吸入、鼻饲、吸痰、气管插管、气管切开、呼吸机的使用是引起肺部感染的危险因素。

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ResultsThe tracheal intubation was successfully completed under spontaneous breathing in all patients; meanwhile, the hemodynamic status was stable without any severe respiratory complications.

结果所有患者血流动力学稳定，均在自主呼吸状态下顺利完成气管插管，未发生严重呼吸道并发症。

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ObjectiveTo evaluate the value of propofol target-controlled infusion combined with dribbled and nebulized lidocaine in tracheal intubation under spontaneous breathing.

目的评估异丙酚靶控输注联合利多卡因滴入和雾化吸入在保留自主呼吸下气管插管中的应用价值。

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Information Minister Ernesto Villegas said that as the Venezuelan leader was breathing through a tracheal tube, it was difficult for him to speak.

BBC: Venezuela's Hugo Chavez in first post-surgery images

"Given that circumstance, which is being duly treated, Comandante Chavez is currently breathing through a tracheal cannula, which temporarily hinders speech, " Villegas said.

NPR: Photos Of Hugo Chavez Shown After 2-Month Absence

Along with images of the puffy-faced Chavez came a government explanation for why no one has heard from the longtime president since his surgery: He's breathing through a tracheal tube that makes speech difficult.

NPR: Photos Of Hugo Chavez Shown After 2-Month Absence