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Onlay technique for occipitocervical fusion
M Elia1, J T Mazzara, J W Fielding
1Department of Orthopaedics, St. Luke's/Roosevelt Hospital Center, New York, New York 10025.
Clinical Orthopaedics and Related Research
|July 1, 1992
Summary
The onlay technique for occipitocervical fusion is a safe and effective surgical option for patients with severe neck instability. This method achieved an 89% fusion rate without requiring internal fixation, offering a high success rate.
Area of Science:
- Neurosurgery
- Orthopedic Surgery
- Spinal Fusion Techniques
Background:
- Occipitocervical instability can cause significant pain and neurologic deficits.
- Various surgical techniques exist for occipitocervical fusion, each with its own success rates and complication profiles.
Purpose of the Study:
- To evaluate the safety and efficacy of the onlay technique for occipitocervical fusion.
- To assess the fusion rate and complication profile of this specific surgical approach.
Main Methods:
- Twenty-eight occipitocervical fusions were performed using the onlay technique in 27 patients.
- Iliac crest bone graft was utilized, followed by immobilization with skull traction, Minerva jacket, or halo apparatus.
Main Results:
- Primary fusion was achieved in 89% of patients at an average of 12.8 weeks.
- No neurologic complications were reported; two superficial wound infections and minor halo loosening occurred.
- One perioperative death was noted.
Conclusions:
- The onlay technique for occipitocervical fusion is a safe procedure.
- This method demonstrates a high success rate and does not necessitate internal fixation.
- It presents a viable alternative compared to other occipitocervical fusion methods.