Should a patient with a zygomatic fracture be admitted to the hospital?

Admission for Zygomatic Fractures: Not Universally Required

Zygomatic fractures do not automatically warrant hospital admission; the decision depends on fracture complexity, associated injuries, and need for urgent surgical intervention. Most isolated zygomatic fractures can be managed with outpatient evaluation and elective admission for surgery when needed.

Key Decision Points for Admission

Admit Immediately If:

• Associated intracranial injury (68% of maxillofacial trauma patients have concomitant head injury) 1
• Le Fort II or III fractures involving the zygoma (require screening for blunt cerebrovascular injury due to significant morbidity/mortality risk) 1
• Bilateral zygomatic arch fractures (associated with skull base fractures) 1
• Zygomaticomaxillary complex fractures with:
  • Orbital apex involvement
  • Significant enophthalmos
  • Impingement on mandibular coronoid process preventing jaw opening
  • Active bleeding or vascular injury
• Naso-orbital-ethmoid fractures (risk of CSF leak, telecanthus, enophthalmos) 1
• Four or more facial fractures (significantly increases cost and length of stay) 2

Consider Outpatient Management With Elective Admission:

For isolated zygomatic fractures without the above complications, discharge home with elective admission within 30 days is superior 3. This approach:

• Reduces overall hospital stay
• Lowers emergency readmission rates
• Does not compromise surgical outcomes
• Allows for optimized surgical scheduling

The evidence shows substantial variation between institutions in admission practices, with elective admission independently associated with shorter overall stay and better outcomes 3.

Clinical Assessment Priorities

Look specifically for:

• Periorbital ecchymosis/hematoma (most common finding) 4
• Infraorbital nerve paresthesia (V2 distribution: upper teeth, gingiva, upper lip, lateral nose)
• Diplopia or eye motility disorders (significantly more common with orbital wall involvement) 5
• Facial asymmetry or zygomatic depression
• Malocclusion
• Trismus (suggests coronoid impingement)

Imaging and Surgical Planning

• CT maxillofacial is the gold standard for diagnosis 1
• CT head should be obtained given 68% incidence of associated head injury 1
• Cervical spine CT if high-velocity mechanism (6-19% have associated C-spine injury) 1

Surgical Timing

• 52-74% of zygomatic fractures require surgery 6, 4
• 62% historically required hospitalization 6, but modern data supports elective admission reducing this burden 3
• Surgery can be safely delayed for elective admission without compromising outcomes 3

Common Pitfalls

• Over-admitting isolated zygomatic fractures: The 2020 UK data demonstrates elective pathways are superior for uncomplicated cases 3
• Missing associated injuries: Always evaluate for intracranial injury (9% with orbital wall fractures) 1, cervical spine injury, and blunt cerebrovascular injury in Le Fort patterns
• Inadequate ophthalmologic assessment: Patients with visual changes, diplopia, or on antithrombotic therapy need specialized ophthalmologic consultation 5
• Assuming all fractures need immediate surgery: 12-14% can be managed conservatively 4

The modern approach prioritizes selective admission based on injury severity and associated complications rather than blanket admission for all zygomatic fractures.