Spinal Cord Stimulation: A Complete Patient Guide
Spinal cord stimulation (SCS) is one of the most powerful tools in pain management — a reversible, non-opioid option for chronic pain that has transformed the lives of many patients I've treated. Yet it remains underutilized because many patients and physicians aren't familiar with how it works or who benefits.
This guide covers everything you need to know.
How Spinal Cord Stimulation Works
The spinal cord stimulator system consists of a small implantable pulse generator (similar to a pacemaker) and thin leads placed in the epidural space near the spinal cord. The device delivers electrical pulses that interfere with pain signal transmission.
Older technology — traditional SCS — produces a tingling or buzzing sensation (paresthesia) that patients learn to associate with pain relief.
Modern technology — including high-frequency (10 kHz) and "burst" stimulation — works without paresthesia. Many patients experience pain relief without any noticeable sensation, which is generally preferred.
Today's systems are rechargeable, wirelessly programmable, and many are MRI-conditional.
Who Responds Best to SCS?
SCS has the strongest evidence for:
- Failed back surgery syndrome — persistent pain after lumbar or cervical surgery
- Complex Regional Pain Syndrome (CRPS) — SCS is the most evidence-supported invasive treatment
- Painful diabetic neuropathy — high-frequency SCS shows impressive trial results
- Peripheral vascular disease pain
- Refractory angina
- Chronic leg pain from lumbar spine disease
The Trial — The Most Important Step
Before permanent implantation, every patient undergoes a 5–7 day trial period. Temporary leads are placed in the epidural space (no surgery — just a needle procedure). You take the system home and live your normal life for a week, tracking your pain and function.
If you achieve ≥50% pain reduction during the trial, you are a "responder" and can proceed to permanent implantation. This trial is the single most important predictor of long-term SCS success.
The trial is almost as important as the implant decision — don't rush it.
Permanent Implantation
The permanent implant involves surgically placing the leads and generator. The generator is implanted under the skin of the abdomen or lower back. The procedure is typically done under conscious sedation, takes 1–2 hours, and most patients go home the same day or next morning.
Results
For failed back surgery syndrome: studies consistently show 50–70% of patients achieve ≥50% pain reduction at 2-year follow-up — far better than reoperation or continued medication management.
For CRPS: long-term studies show sustained benefit in the majority of implanted patients, with many maintaining improvement for 5+ years.
Reversibility
This is a point I emphasize: SCS is completely reversible. The leads and generator can be removed at any time if you choose. Unlike surgery that removes tissue or fuses joints, implanting an SCS does not burn bridges.
Getting Started
If you have chronic pain that hasn't responded to injections, medications, or prior surgery, SCS may be worth discussing. Call 516-492-3100 to schedule a consultation.