Modified interfacet technique using shaped autologous occipital bone mass for basilar invagination.
Qiang Jian1, Xingang Zhao1, Zhe Hou2
1Spine Center, Sanbo Brain Hospital, Capital Medical University, Beijing, People's Republic of China.
Clinical Neurology and Neurosurgery
|July 7, 2023
Summary
This study presents a cost-effective modified interfacet technique for basilar invagination (BI) surgery using autologous bone grafts. The approach proved safe and effective in six patients, offering a viable solution for economically challenged regions.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Biomedical Engineering
Background:
- Basilar invagination (BI) poses a significant economic challenge in underdeveloped regions.
- Surgical interventions for BI are often costly, limiting access to care.
Purpose of the Study:
- To introduce and evaluate a modified interfacet technique for basilar invagination (BI) treatment.
- To utilize shaped autologous occipital bone mass for BI reduction and cost savings.
Main Methods:
- Retrospective analysis of 6 patients undergoing the modified interfacet technique.
- Utilized ultrasonic osteotome for osteotomy and interfacet release.
- Implanted shaped autologous occipital bone mass for vertical reduction.
- Compared pre- and post-operative measurements (ADI, CLV, CXA, CMA) and assessed implant stability.
Main Results:
- Successful surgical outcomes in all 6 patients with no major complications.
- Significant improvements observed in ADI, CLV, CXA, and CMA post-surgery.
- Implants demonstrated long-term stability without resorption, fracture, or displacement.
Conclusions:
- The modified interfacet technique with autologous occipital bone grafting is effective and feasible for BI.
- This technique is simple, easy to prepare, and cost-effective.
- Offers a viable and economical treatment option for basilar invagination.


