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Summary
Cervical spine surgery can lead to myelopathy, a spinal cord dysfunction, due to trauma or clots. Patients with pre-existing spinal stenosis are at higher risk for this rare complication.
Area of Science:
- Neurosurgery
- Spinal Surgery
- Neurology
Background:
- Anterior cervical spine operations, including discectomy and fusion, carry a risk of postoperative myelopathy.
- Preexisting conditions like spinal stenosis or myelopathy can increase susceptibility to this complication.
Purpose of the Study:
- To summarize cases of myelopathy following anterior cervical spine surgery.
- To identify potential causes and predisposing factors for this complication.
- To inform risk assessment and patient consent processes.
Main Methods:
- Review of six cases of myelopathy after anterior cervical spine surgery.
- Analysis of potential intraoperative and postoperative contributing factors.
Main Results:
- Myelopathy onset can be immediate or delayed, with variable and fluctuating neurological deficits.
- Identified causes include direct surgical trauma (e.g., dowel impaction, drilling), hematoma, edema, and vascular compromise.
- Neck manipulation during intubation or positioning may also contribute.
Conclusions:
- The risk of myelopathy following anterior cervical spine surgery is low (less than 2 per thousand) but significant.
- Informed consent discussions must include the possibility of this complication, even with meticulous surgical technique.
- Awareness of predisposing factors and potential causes aids in risk management.