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Biofix fixation techniques and results in foot surgery
1Department of Podiatric Surgery, California College of Podiatric Medicine, San Francisco, USA.
Summary
Biofix absorbable rods demonstrate safe and effective internal fixation for first metatarsal osteotomies. Despite minor radiographic changes and sterile discharge in some patients, no fixation failures or infections occurred, ensuring successful outcomes.
Area of Science:
- Orthopedic surgery
- Biomaterials science
Background:
- Biofix absorbable rods have a 10-year history in internal fixation.
- Osteotomies of the first metatarsal are a common application for these rods.
Purpose of the Study:
- To evaluate the efficacy and safety of 2.0-mm Biofix rods in first metatarsal osteotomies.
- To assess outcomes including fixation, bone changes, and complications over a 3-year period.
Main Methods:
- Retrospective review of 59 procedures on 49 patients.
- Description of transarticular fixation for 1st/5th metatarsal osteotomies and intramedullary technique for digital fusions.
- Follow-up for a minimum of 3 months, with most patients followed for over 1 year.
Main Results:
- No failures of fixation or infections were observed.
- 22.4% of patients showed radiographic osteolytic changes.
- 4.1% of patients developed sterile sinus discharge, with no impact on outcomes.
Conclusions:
- Biofix absorbable rods are a reliable option for first metatarsal osteotomies.
- Minor complications did not compromise the overall success of the procedures.
- Future applications with Biofix screws and plates show promise, as exemplified by a pantalar fusion case.