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气管异物是较常见的儿童意外急症,也是引起5岁以下幼儿死亡的常见原因之一。 婴幼儿牙齿未萌出或萌出不全,咀嚼功能未发育成熟,吞咽功能不完善,气管保护性反射不健全。当异物落入气管后,最突出的症状是剧烈的刺激性呛咳,由于气管或支气管被异物部分阻塞或全部阻塞,出现气急憋气,也可因一侧的支气管阻塞,而另一侧吸入空气较多,形成肺气肿,较大的或棱角小的异物(如大枣)可把大气管阻塞,短时间内即可发生憋喘死亡。还有一种软条状异物(如酸菜条)吸入后刚好跨
Tracheal foreign bodies are the more common childhood accidental emergency and are also one of the common causes of death among children under 5 years of age. Infant teeth are not eruption or eruption incomplete, masticatory function is not mature, dysfunctional swallowing, tracheal protective reflex is not perfect. When the foreign body into the trachea, the most prominent symptom is severe irritating cough, due to tracheal or bronchial obstruction or obstruction by the foreign body, appear breathless, but also because of one side of the bronchial obstruction, and the other side of the inhalation of air More, the formation of emphysema, larger or small edges and corners of foreign body (such as jujube) can block the air tube, can occur within a short time suffocation. There is also a soft-like foreign body (such as pickled cabbage) just after inhaling cross