Objective to examine the effect of different tracheal cannula used for tracheotomy on the pulmonary infection in patients with cataphora.

目的探讨昏迷患者气管切开术后应用不同类型气管套管预防肺部感染的效果。

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Object: to discuss the crisis of myasthenia gravis (MG) involving inducement, the factors prolonging tracheal cannula, complications, and fatality rate.

目的：探讨重症肌无力(MG)危象的诱发因素、延长气管插管的因素以及并发症、病死率。

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Methods 10healthy pigs of3months old were selected to establish the APOLT model. The venovenous bypass was applied under general anesthesia by tracheal cannula.

方法选10头健康3月龄猪，在气管插管全麻下进行静脉-静脉转流，建立辅助性部分原位肝移植模型；

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"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