Management of Nondisplaced Comminuted Fracture of the Proximal Fourth Phalanx
For a nondisplaced comminuted fracture of the proximal fourth phalanx of the right foot, treat conservatively with buddy taping to the adjacent toe and a rigid-sole (hard-soled) shoe for 2-6 weeks, allowing weight-bearing as tolerated by pain. 1, 2
Treatment Algorithm
Immediate Management
- Buddy tape the fourth toe to the third or fifth toe to provide stability and prevent displacement 1
- Provide a rigid-sole or hard-soled shoe to limit joint movement and protect the fracture 1, 2
- Allow weight-bearing as tolerated based on the patient's pain level 2
Duration of Immobilization
- Continue buddy taping and rigid-sole shoe for 2-6 weeks 2
- The specific duration depends on fracture healing progress and symptom resolution
When to Refer to Orthopedics
You do NOT need to refer this patient because the fracture is nondisplaced. Referral is indicated only for 1:
- Circulatory compromise
- Open fractures
- Significant soft tissue injury
- Fracture-dislocations
- Displaced intra-articular fractures
- Fractures of the first toe (great toe) that are unstable or involve >25% of joint surface
- Most physeal fractures in children (except selected nondisplaced Salter-Harris I and II)
Key Clinical Considerations
The fourth toe is a lesser toe, not the great toe, which makes conservative management highly appropriate. The great toe requires more aggressive management due to its weight-bearing role, but lesser toes heal well with simple immobilization 1, 2.
The nondisplaced nature is critical - this means the fracture fragments maintain anatomic alignment despite comminution. Displacement would change management to require reduction 1.
Common Pitfalls to Avoid
- Do not immobilize in a cast - this is unnecessary for stable toe fractures and increases morbidity
- Do not restrict weight-bearing completely - patients can bear weight as pain allows
- Do not overlook the need for buddy taping - this is essential to prevent secondary displacement during healing
- Monitor for complications including malunion, nonunion, or development of arthritis 2
Follow-up
Clinical follow-up should assess fracture healing, pain resolution, and return to normal ambulation. Most patients return to normal activity within the 2-6 week timeframe with this conservative approach 2.