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Radiculopathy after laminectomy for cervical compression myelopathy
The Journal of Bone and Joint Surgery. British Volume
|October 13, 1998
Summary
Postoperative radiculopathy following posterior cervical decompression affects 12.9% of patients. Anterior decompression with spinal fusion may prevent this complication, improving outcomes for cervical compression myelopathy.
Area of Science:
- Neurosurgery
- Spinal Surgery
- Neurology
Background:
- Postoperative radiculopathy is a known complication of posterior cervical decompression.
- Nerve root tethering is the primary mechanism.
- This condition impacts patients undergoing treatment for cervical compression myelopathy.
Purpose of the Study:
- To determine the incidence of postoperative radiculopathy after multilevel cervical laminectomy.
- To identify risk factors and recovery patterns.
- To suggest preventive strategies.
Main Methods:
- Retrospective review of 287 patients treated with multilevel cervical laminectomy.
- Analysis of patient demographics, diagnosis (cervical spondylosis vs. ossification of the posterior longitudinal ligament), and surgical outcomes.
- Assessment of radiculopathy onset, pattern, and recovery time.
Main Results:
- The incidence of postoperative radiculopathy was 12.9% (37 patients).
- C5 and C6 motor-dominant radiculopathy was most frequent.
- Motor recovery rate correlated negatively with radiculopathy duration (gamma=-0.832, p < 0.01).
- Spondylotic myelopathy patients showed better recovery than those with ossification of the posterior longitudinal ligament (t=2.960, p < 0.01).
Conclusions:
- Postoperative radiculopathy is a significant complication of posterior cervical laminectomy.
- Anterior decompression with spinal fusion is recommended for prevention.
- This approach stabilizes the spine and directly relieves cord compression.