hyoid bone fracture

27 Jan

QUICK OVERVIEW:
rare, due to protected location of the larynx (mandible is superior and anterior and spine is posterior)

Hyoid bone fractures from blunt trauma other than strangulation = 0.002%
Respiratory distress can progress rapidly: hematoma formation and soft tissue swelling leads to airway compromise and hypoxia

–Laryngeal injuries occur more commonly in males (77% vs 33%)

–Women have slimmer longer necks so they are more prone to hyoid bone fractures
symptoms: horseness, neck pain, dyspnea, dysphonia, aphonia, dysphasia, odynophonia/phagia, stridor (inspiratory), hemoptysis, subcutaneous emphysema, hematoma, ecchymosis, crepitus, loss of landmarks
Associated injuries w/laryngeal fractures: intracranial injury (13%), open neck injury (9%), C-spine fx (8%), esophageal injury (3%)
BOTTOM LINE:
hyoid bone fractures are rare
most are from strangulation, few from blunt trauma
respiratory compromise is the big issue (duh)
–associated with other head & neck badness
Submitted by J. Gullo.

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