喉頭外傷の最近の傾向

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  • The Recent Tendency of Laryngotracheal Injuries
  • コウトウ ガイショウ ノ サイキン ノ ケイコウ

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In consequence of the use of seatbelts, and of the increase in the number of people who keep the traffic rules, the incidence of laryngotracheal injuries induced by car accidents has significantly reduced. Recently, we do not encounter patients of laryngotracheal injuries due to ordinary types of car accidents.<br>Laryngotracheal injuries in three cases reported in the present paper were induced by unusual types of traffic accidents.<br>The first case was a boy aged 16, who was strangulated tightly with his long muffler, when he was riding his motor-bike and fell down to the ground.<br>The second case was an 18-year-old male. While riding his minibike (tiny motorbike), he inadvertently collided on his neck with the chain stretched between school gates. At surgery a complete tracheal separation was recognized.<br>The third case was a 21-year-old male. While riding his bicycle, he fell on the ground and struck his neck with the handle of his bicycle.<br>The usual signs and symptoms of blunt laryngotracheal injuries were observed in the present cases. Abrasions and contusions of the cervical skin without a penetrating wound, subcutaneous emphysema, and hemoptysis could be noted. The appearance of the neck was almost normal, though severe laryngotracheal injuries were recognized at surgical exploration.<br>On the basis of these cases, principles of the diagnosis and treatment in acute laryngotracheal injuries were discussed.

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