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Extra-articular distal radius malunion: The phosphate cement alternative
1Orthopedics, Traumatology Plastic and Reconstructive Hand Surgery Dept, Surgical Innovation and Technique Center, EA 4268 Innovation, Imaging, Engineering and Intervention in Health, IFR 133 Inserm, Jean-Minjoz University Hospital, Franche-Comté University, Besançon, France.
Orthopaedics & Traumatology, Surgery & Research : OTSR
|July 17, 2010
Summary
Injectable phosphate cement shows promise as an alternative to bone grafting for correcting symptomatic distal radius malunion. This surgical technique led to united osteotomies and high patient satisfaction in a small case series.
Area of Science:
- Orthopedic surgery
- Biomaterials science
- Bone regeneration
Background:
- Distal radius malunion can cause significant wrist dysfunction.
- Traditional corrective osteotomies often utilize bone autografts, which have associated morbidity.
- Exploring alternative bone graft substitutes is crucial for improving surgical outcomes.
Purpose of the Study:
- To evaluate the efficacy of injectable phosphate cement as a bone graft substitute in corrective osteotomy for distal radius malunion.
- To assess radiographic union and functional recovery following the procedure.
Main Methods:
- Five patients with symptomatic distal radius malunion underwent corrective opening wedge osteotomy.
- Phosphate cement was used as an alternative to autograft, with internal fixation and soft-tissue release.
- Radiographic and functional outcomes were assessed preoperatively and at 6 months and 1 year postoperatively.
Main Results:
- All five osteotomies achieved radiographic union at a mean follow-up of 32.4 months.
- Patients reported high satisfaction, and wrist range of motion recovered to 75% of the contralateral side at 1 year.
- Biopsies confirmed osteoid formation at the cement-bone junction, indicating successful integration.
Conclusions:
- Injectable phosphate cement is a viable alternative to bone grafting for distal radius malunion correction.
- The technique facilitates bone union and functional recovery, with good patient-reported outcomes.
- Further research with larger cohorts is warranted to confirm these findings.
