17 Spinal Cord Stimulator



10.1055/b-0040-176506

17 Spinal Cord Stimulator

Ryan F. Amidon, Christ Ordookhanian, and Paul E. Kaloostian

17.1 Symptoms and Signs




  • Chronic back, leg, or arm pain (failed back syndrome or postlaminectomy syndrome)



  • Sciatica



  • Reduction of mobility from pain



  • Pain and discomfort derived from consistent nerve irritation



17.2 Surgical Pathology




  • Spine benign/malignant trauma



  • Spine benign/malignant disorder



  • Vascular benign/malignant lesion



17.3 Diagnostic Modalities




  • Patient history



  • Physical examination



  • Neurologic examination



  • MRI of spine



  • CT of spine



  • X-ray of spine



  • PET of spine



17.4 Differential Diagnosis




  • Cord compression



  • Arachnoiditis



  • Multiple sclerosis



  • Spinal cord injury



  • Failed back surgery syndrome



  • Complex regional pain syndrome



  • Stump pain



  • Angina



  • Peripheral vascular disease



17.5 Treatment Options




  • Acute pain control with medications and pain management



  • Physical therapy and rehabilitation



  • If asymptomatic or mildly symptomatic with cord compression:




    • Surgical decompression and fusion of implicated segments if deemed suitable candidate for surgery




      • If poor surgical candidate with poor life expectancy, medical management recommended



  • If asymptomatic without cord compression and no relief from other therapies:




    • Baclofen pump (permanent pump implant that delivers baclofen to spinal fluid, treating spasticity refractory to oral medications and chronic pain associated with moderate to severe spasticity)




      • Baclofen is a GABAB Receptor agonist, promoting muscle relaxation



      • Morphine may be used instead of baclofen



    • Spinal cord stimulation (masks nociception before it reaches the brain, resulting in non perception of pain)




      • Pain relief varies from person to person



      • Includes: (1) pulse generator with battery, (2) lead wire with 8 to 32 electrodes, and (3) remote control to adjust settings and turn the device on or off



      • Need a trial showing 50% pain relief with psychological clearance and no untreated drug addiction noted

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May 15, 2020 | Posted by in NEUROSURGERY | Comments Off on 17 Spinal Cord Stimulator

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