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Surgical Technique for the Implantation of a Biomimetic Artificial Intervertebral Disc in a Goat Animal Model
Published on: October 10, 2025
[Vertebral body replacement with a Synex implant]
Summary
The Synex telescopic expansion cage offers a stable and easy-to-implant option for vertebral body replacement, particularly for traumatic fractures. It requires minimal bone grafting, simplifying the procedure compared to traditional methods.
Area of Science:
- Spinal Surgery
- Orthopedic Implants
- Biomaterials
Context:
- Vertebral body replacement is crucial for spinal stability after trauma or tumor resection.
- Traditional methods like bone grafts or rigid cages have limitations, including donor site morbidity and implantation complexity.
- The Synex telescopic expansion cage presents an alternative for vertebral body reconstruction.
Purpose:
- To evaluate the efficacy and safety of the Synex telescopic expansion cage for vertebral body replacement.
- To compare the Synex cage with other available vertebral body replacement options.
- To assess outcomes in patients undergoing vertebral body replacement with the Synex implant.
Summary:
- The study involved 20 Synex cages implanted in 18 patients for fractures, post-traumatic kyphosis, and metastatic tumors.
- Procedures included posterior transpedicular and/or anterior stabilization.
- No fatal outcomes were reported; complications included root injury and persistent cauda equina syndrome in one patient each. Minor correction loss was observed.
Impact:
- The Synex cage provides a viable, less graft-dependent option for vertebral body reconstruction, especially in traumatic cases.
- Its telescopic expansion simplifies implantation.
- While effective for trauma, its use in oncological patients warrants consideration due to cost and survival expectations.
