文档介绍：Injuries of the larynx
Injury to the larynx is uncommon.
The inferior projection of the mandible affords significant protection from anterior blows.
Posteriorly, the larynx is protected by the rigid cervical spine.
2021/6/20
1
Injuries of the larynx
Within the neck there are some elements necessary to connect and coordinate the head with the body.
Injury to the neck can disrupt any of these vital functions and may involve bony, soft tissue, vascular, and CNS elements.
2021/6/20
2
Injuries of the larynx
Although many associated injuries may appear more impressive, correct management of the neck injury with immediate attention to securing the airways is always the first priority.
2021/6/20
3
Injuries of the larynx
Classification
⒈ External laryngeal trauma：
closed injury —contusion, crush injury
open injury —incised wound, stab wound,
burst wound，bullet trauma.
⒉ Internal laryngeal injury：
burn of the larynx, intubation
2021/6/20
4
Injuries of the larynx
Closed injuries of the larynx
Causes：
direct attack
industrial accident
traffic accident
2021/6/20
5
Injuries of the larynx
Anterior blunt injuries are most commonly the result of motor vehicle accidents.
2021/6/20
6
Injuries of the larynx
Mandatory seat belt laws
lower speed limits
better education regarding drunk driving
the use front seat air bags
may reduce this accident !
2021/6/20
7
Injuries of the larynx
Clothesline injuries occur when the rider of a motorcycle encounters a fixed horizontal object, such as a clothesline.
This type of injury imparts a large amount of energy over a relatively small area, resulting in massive trauma.
2021/6/20
8
Injuries of the larynx
Strangulation injuries occur from manual compression or from attempted suicides by hanging.
These injures may later be associated with marked edema of the larynx and resultant loss of airway.
2021/6/20
9
Injuries of the larynx
Closed injuries of the lary