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Updated: Jun 4, 2026

Establishment and Evaluation of a Sheep Model of Full-thickness Osteochondral Defect
Published on: April 14, 2026
Medial column rodding facilitated by transitional osteochondral graft
Jeremy Cook1, Emily Cook, Philip Basile
1Beth Israel Deaconess Medical Center, Harvard Medical School, 1 Deaconess Rd, Palmer-Baker Span 3, Boston, MA, USA. Jcook2@bidmc.harvard.edu
This study introduces a novel technique for foot reconstruction using a local osteochondral graft, enabling screw passage while preserving joint cartilage. Midterm follow-up shows promising joint function and graft incorporation.
Area of Science:
- Orthopedic surgery
- Podiatric medicine
- Biomedical engineering
Background:
- Charcot neuro-arthropathy often requires surgical reconstruction, posing challenges for preserving joint integrity.
- Traditional methods may compromise joint cartilage during screw placement for medial column stabilization.
Observation:
- A novel technique was employed for a patient with midfoot Charcot neuro-arthropathy, involving a headless screw inserted into the first metatarsal head.
- A portion of the osteochondral surface was temporarily removed to allow perpendicular screw positioning across medial column joints.
Findings:
- Serial radiographs demonstrated successful osteochondral graft incorporation and maintained alignment and stability.
- The patient exhibited preserved joint motion and function, with no signs of degeneration or pain at 45 months post-surgery.
Implications:
- This case report is the first to describe using a local osteochondral graft for screw passage in foot reconstruction.
- The technique shows potential for joint preservation during medial column stabilization, warranting further investigation for long-term outcomes.
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