Callus geometry as a reflection of fracture healing biology and a candidate imaging biomarker: A systematic review of biological, mechanical, and clinical evidence.
Ahmad Hedayatzadeh Razavi, Alireza Mirahmadi, Ani Jelalian et al.
✦ AI-curated · Sources linked
In 30 seconds
This systematic review evaluated the relationship between fracture callus geometry and healing outcomes across various studies. It included 48 studies examining biological, mechanical, and clinical influences on callus formation. The review found that callus geometry consistently reflects the healing environment, with specific interventions leading to improved callus characteristics, suggesting its potential as a predictive biomarker for fracture healing.
Key findings
- Angiogenic and osteoanabolic interventions were linked to larger and better-organized calluses.
- Chronic PTH or PTHrP stimulation resulted in smaller yet structurally organized calluses.
- Advanced imaging methods showed strong associations between callus microarchitecture and mechanical strength.
- Non-modifiable factors like metabolic disease altered callus morphology.
Why it matters
Understanding the relationship between callus geometry and fracture healing can enhance the ability to predict healing outcomes. This knowledge may inform clinical decisions and improve patient management strategies in orthopedic care.