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Square cervical laminoplasty incorporating spinous process: surgical technique
Devendra K Vatsal1, Mazhar Husain, Deepak Jha
1Department of Neurosurgery, King George's Medical College, Lucknow, India.
Surgical Neurology
|August 6, 2003
Summary
A novel cervical laminoplasty technique using spinous processes effectively widens the spinal canal in multilevel cervical canal stenosis. This method improves patient function and avoids complications associated with grafts or foreign materials.
Area of Science:
- Neurosurgery
- Spinal Surgery
- Orthopedic Surgery
Background:
- Multilevel cervical canal stenosis poses a surgical challenge.
- Traditional laminoplasty often requires grafts or foreign materials, increasing complication risks.
Purpose of the Study:
- To evaluate a novel cervical laminoplasty technique.
- To assess its safety and efficacy in widening the spinal canal without grafts or foreign materials.
Main Methods:
- A laminoplasty technique incorporating spinous processes was applied to three patients with cervical canal stenosis.
- Postoperative CT and lateral radiographs assessed bony union, canal diameter, and spinal alignment.
- Mean follow-up was 24.6 months for patients with a mean age of 34.6 years.
Main Results:
- Significant improvement in both sensory and motor functions was observed in all patients.
- The average increase in the sagittal diameter of the cervical spinal canal was 4.2 mm.
- Bony fusion occurred within 6 months, with a mean decrease in range of motion of 13.2 degrees.
Conclusions:
- This spinous process-based cervical laminoplasty is a safe and effective surgical option.
- The technique is relatively easy to perform and avoids complications linked to grafts or foreign materials.
- It offers a viable alternative for treating multilevel cervical canal stenosis.