Arterial hypoxemia and tissue hypoxia maybe induced by tracheal suction.

吸痰可导致低氧血症和组织缺氧。

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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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Airway management: realistic mouth, nose, tongue, gum, pharynx, larynx, esophagus, epiglottis, trachea and tracheal ring, can practice tracheal intubation, sputum suction, oxygen inhaling.

气道管理：现实的口，鼻，舌，齿龈，咽，喉，食道，会厌，气管和气管环，可实行气管插管，吸痰，吸氧。

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