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Quadriparesis and spinal cord stimulation: case report.

S Craig Meyer¹, Karin Swartz, J Patrick Johnson

¹Silicon Valley Spine Institute, Los Gatos, CA, USA.

|September 1, 2007

Summary

Revision of spinal cord stimulators can lead to rare complications. Inadvertent electrode placement within the spinal cord can cause severe neurologic injury, even after successful removal.

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Area of Science:

Neurology
Neurosurgery
Medical Device Technology

Background:

Spinal cord stimulators (SCS) are used for chronic pain management.
Complications from SCS revision surgery are uncommon.
Intraspinal electrode placement during SCS revision has not been previously documented.

Observation:

A patient developed upper and lower extremity weakness after SCS revision.
The complication arose from inadvertent placement of an electrode within the spinal cord.
The electrode was surgically removed, but neurological status worsened.

Findings:

Successful removal of an intraspinal electrode did not reverse neurological deficits.
The case highlights a severe neurological injury resulting from SCS revision.

Implications:

This case underscores the potential for severe neurological injury during SCS revision.
Awareness of intraspinal electrode placement is crucial for neurosurgeons.
Patient safety protocols for SCS revision may need re-evaluation.