Modern Study Review (AI-Generated)
High-Yield Summary
The Fowler-Modified Brostrom procedure is a widely accepted surgical technique for treating chronic lateral ankle instability, particularly after failed conservative management. It involves anatomical repair and reinforcement of the anterior talofibular ligament (ATFL) and calcaneofibular ligament (CFL) through a minimally invasive anterolateral approach. This procedure restores ankle stability, improves function, and reduces recurrent sprains, making it a cornerstone in lateral ankle ligament reconstruction.
Key Diagnostic Findings
| Aspect | Details |
|---|---|
| Anatomy | Anterior talofibular ligament (ATFL), calcaneofibular ligament (CFL), lateral ankle complex |
| Clinical Presentation | Recurrent ankle sprains, persistent lateral ankle pain, instability, positive anterior drawer and talar tilt tests |
| Imaging | Stress radiographs (anterior drawer, talar tilt), MRI for ligament integrity and associated injuries |
| Classification Systems | No formal classification for instability severity; clinical grading of laxity (Grade I-III) guides treatment |
Current Gold Standard Treatment
Non-Operative:
- Initial management with physical therapy focusing on proprioception and strengthening
- Bracing and activity modification for mild instability
Operative Indications:
- Persistent symptomatic instability after 3-6 months of conservative care
- High-grade mechanical laxity on exam and imaging
- Failed prior non-anatomic repairs or chronic instability in athletes
Surgical Technique:
- Fowler-Modified Brostrom: Anatomical repair of ATFL and CFL with imbrication of the inferior extensor retinaculum for reinforcement
- Arthroscopic-assisted techniques gaining popularity for less morbidity
Modern Complications & Outcomes
| Complication | Notes |
|---|---|
| Residual Instability | Occurs if repair is insufficient or in cases with poor tissue quality |
| Nerve Injury | Superficial peroneal nerve injury risk with anterolateral approach |
| Stiffness and Pain | Usually transient; aggressive rehab reduces risk |
| Recurrent Sprains | Low rates (<10%) with proper technique and patient selection |
| Functional Outcomes | >85% return to pre-injury activity levels; improved patient-reported stability and function |
Classic Clinical Notes
Fowler-Modified Brostrom
- Chronic lateral ankle instability
- Antero-lateral incision
Last Updated on January 24, 2026 by Christian Veillette
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