Overview
Open trimalleolar fractures involve fractures of the tibia, fibula, and one or more ankle mortise surfaces, typically requiring surgical intervention for optimal outcomes. 1Diagnosis
Radiographic imaging (X-rays) essential for initial assessment.
CT scans recommended for detailed fracture characterization and planning surgical approach.
Clinical examination to assess neurovascular status and joint congruity. 1Management
First-line Treatment: Surgical intervention including open reduction and internal fixation (ORIF) with plate fixation or intramedullary nailing (IMN) for distal fibular fractures.
Fixation Methods:
- IMN shows high union rates (99%) compared to plate fixation (97%).
- Both methods have comparable complication rates but patient-reported outcomes may vary. 1
Post-operative Care: Early mobilization, weight-bearing as tolerated, and close monitoring for complications such as infection and malunion.Special Populations
Elderly: Higher risk of complications; careful consideration of surgical approach and rehabilitation intensity needed. 1
Comorbidities: Presence of comorbidities may influence choice of fixation method and postoperative management complexity. 1Key Recommendations
For distal fibular fractures in open trimalleolar injuries, intramedullary nailing (IMN) demonstrates high union rates and may be preferred over plate fixation, though patient-specific factors should guide choice. (Evidence: Moderate 1)
Comprehensive radiographic assessment including CT scans is crucial for surgical planning in open trimalleolar fractures. (Evidence: Expert opinion 1)
Postoperative protocols should emphasize early mobilization to optimize functional outcomes, tailored to patient-specific risks including age and comorbidities. (Evidence: Moderate 1)References
1 Samuel Z, Hong IS, Deliso M, Passannante L, Zapf CG, Tang A et al.. Intramedullary Fixation Versus Plate Fixation of Distal Fibular Fractures: A Systematic Review. Journal of the American Academy of Orthopaedic Surgeons. Global research & reviews 2024. link