SPINAL CORD STIMULATION
You get to try it before you commit to it. Almost nothing else in this field works that way.
A neurostimulator is implanted hardware, which sounds like the biggest step on the list. It is also the only major intervention here with a genuine trial period built into the pathway, so nobody is asked to guess.
What it does
Thin leads are placed in the epidural space and deliver low-level electrical signals to the dorsal columns. The effect is on transmission rather than on structure — it changes how pain signals are processed on the way up rather than repairing anything below.
That makes it a poor fit for a fixable mechanical problem and a reasonable fit for pain that persists after the mechanical problem has been addressed, or where no correctable lesion exists. Newer waveforms do not depend on producing tingling in place of pain, which was the main complaint about older systems.
Who it is actually for
- Persistent pain after spine surgery, particularly with a significant leg component. This is the most established indication. Pain after back surgery.
- Complex regional pain syndrome.
- Painful diabetic neuropathy, where the evidence has strengthened considerably.
- Radicular pain that is not surgically correctable and has failed reasonable conservative and interventional care.
It is not a treatment for an untested facet joint, an unexamined sacroiliac joint, or a back that has never had a diagnostic workup. Reaching for hardware before a block is the sequence error this whole practice exists to avoid.
The trial is the point
- Temporary leads are placed percutaneously, with the generator worn externally.
- You live with it for several days — at home, doing your actual life, not lying in a clinic.
- You keep a record of pain and, more importantly, of function: what you did that you could not do before.
- Meaningful improvement means proceed. Anything less means the leads come out and nothing was permanently altered.
Judge the trial on function, not on a pain score. Whether you slept, walked further, or got through a shift is the outcome that predicts satisfaction with a permanent implant. A number out of ten does not.
Honest about the downsides
This is implanted hardware in a body. Lead migration happens and sometimes needs revision. Infection risk is low but not zero and matters more with an implant than with an injection. Batteries need charging or eventual replacement, and MRI compatibility varies by system and must be established before implant rather than discovered later.
Effectiveness can also decline over time in some patients, which is a real phenomenon and belongs in the conversation before the decision rather than after it.
Where the terrain comes in again
An implant in a body running high inflammatory tone and poorly controlled glucose carries a higher infection risk and heals its pocket less well. Optimizing that before implant is not an obstacle put in your way; it is the part that makes the procedure safer and is worth doing properly.
Common questions
Will I feel it?
With newer waveforms, usually not. Older paresthesia-based systems substituted a tingling sensation for the pain, which some people liked and others did not.
Is it reversible?
The system can be removed, and the trial phase is entirely reversible by design. That is what makes the pathway unusual and reasonable.
Does insurance cover it?
Commonly, for established indications and after documented failure of conservative care. Approval is permission to proceed and not a promise of payment, and you will be told where you stand before anything is scheduled.
Related reading
- Pain after back surgery
- When injections stop working
- Lumbar radiculopathy
- Before you agree to the operation
The trial answers the question that guessing cannot
If you have exhausted the reasonable options and the pain has a large leg component, this is a conversation worth having properly.
12174 Natural Bridge Rd, Suite 301
St. Louis, MO 63044
At DePaul Hospital on Natural Bridge Road, inside the I-270 and I-70 interchange, on the west side of the airport.
Sources
- Kallewaard JW et al. Systematic Review and Meta-Analysis of Spinal Cord Stimulation for Chronic Nonsurgical Refractory Back Pain With or Without Leg Pain (Persistent Spinal Pain Syndrome Type 1). Neuromodulation : journal of the International Neuromodulation Society, 2026. PubMed 41313285
- ElSaban M et al. Physical functioning following spinal cord stimulation: a systematic review and meta-analysis. Regional anesthesia and pain medicine, 2023. PubMed 37080578
- Grider JS et al. Effectiveness of Spinal Cord Stimulation in Chronic Spinal Pain: A Systematic Review. Pain physician, 2016. PubMed 26752493
- Taylor RS et al. Predictors of pain relief following spinal cord stimulation in chronic back and leg pain and failed back surgery syndrome: a systematic review and meta-regression analysis. Pain practice : the official journal of World Institute of Pain, 2014. PubMed 23834386