How should a non-displaced radial head fracture be managed?

Management of Non-Displaced Radial Head Fractures

Non-displaced radial head fractures should be managed non-operatively with early mobilization, requiring no formal physical therapy, minimal immobilization (≤2 days), and can be safely discharged without routine follow-up in uncomplicated cases. 1, 2

Initial Management

Immobilization Protocol

• Immobilize for a maximum of 2 days using a broad arm sling or collar and cuff 3
• Joint aspiration may be performed if significant hemarthrosis is present to reduce pain and facilitate early motion 3
• Avoid prolonged immobilization beyond 2 days, as this provides no benefit and may delay recovery 3

Early Mobilization Strategy

• Begin active range of motion exercises immediately after the brief immobilization period 1, 2
• Self-directed home exercises are superior to formal physical therapy for these fractures 2
• Patients performing home exercises demonstrated significantly better function at 6 weeks (lower DASH scores, p=0.021) compared to those receiving formal PT 2
• Formal physical therapy is not cost-effective and provides no additional benefit beyond 6 weeks 2

Follow-Up Approach

Virtual Pathway Management

• 90% of non-displaced radial head fractures can be managed without face-to-face clinic visits 4
• Direct discharge with structured written advice achieves 96% patient satisfaction rates 4
• Only 1% of patients managed this way require late surgical intervention 4

When to Schedule Follow-Up

• Assess collateral ligament stability at first outpatient visit (if performed) to rule out associated injuries 3
• Patients with stable elbows should be encouraged to stretch beyond the painful range 3
• Advise patients to return only if no clinical improvement occurs by 6 weeks 3
• Routine radiographic follow-up is unnecessary in truly non-displaced fractures 3

Critical Assessment Points

Rule Out Associated Injuries

• Always evaluate for mechanical block to pronation/supination, which would indicate operative management 1
• Check for signs of elbow instability, particularly posterolateral rotatory instability 1
• Associated injuries (ligamentous, Essex-Lopresti, terrible triad) fundamentally change management and require surgical consideration 1, 5

Imaging Considerations

• Standard radiographs are typically sufficient for non-displaced fractures 6
• CT scanning is reserved for equivocal radiographs or when associated injuries are suspected 6
• The elbow extension test can help identify occult fractures when radiographs are normal but clinical suspicion remains high 6

Common Pitfalls to Avoid

• Do not prescribe formal physical therapy routinely - it adds cost without improving outcomes 2
• Do not immobilize beyond 2 days - prolonged immobilization delays recovery 3
• Do not schedule routine follow-up appointments for truly isolated, stable, non-displaced fractures 4
• Do not miss associated injuries - comminution and complete loss of cortical contact are red flags for associated soft tissue injuries requiring surgical evaluation 1

Expected Outcomes

• Reintervention rate is extremely low (1%) when appropriate patient selection is applied 4
• No significant differences in pain, range of motion, or DASH scores exist between home exercise and formal PT groups beyond 6 weeks 2
• The outcome with conservative treatment for minimally displaced fractures is generally excellent 4