Spinal Cord Stimulation

In the realm of pain management, Spinal Cord Stimulation (SCS) emerges as a beacon of hope for those plagued by chronic pain. 

Thoracic pain condition banner

This guide delves deep into the intricacies of SCS, illuminating its mechanism, benefits, and procedural details.

Understanding Spinal Cord Stimulation

The Components of an SCS System

An SCS system comprises three key components:

The Pulse Generator: A battery-powered device that generates electrical pulses.

Leads: Thin insulated wires that deliver electrical pulses to the spinal cord.

Remote Controller: Enables the patient to turn the system on or off, adjust the intensity of the signals, and switch between different programs

How SCS Works?

SCS works on the principle of neurostimulation, where controlled electrical pulses modify nerve activity to minimize the sensation of pain. The electrical pulses interfere with the pain signal’s pathway to the brain, replacing the feeling of pain with a more pleasant tingling sensation, known as paresthesia.

The Candidacy for Spinal Cord Stimulation

Not everyone with chronic pain is a candidate for SCS. Ideal candidates typically:

  • Have chronic pain, particularly in the back, arms, or legs.
  • Have experienced inadequate relief from surgery, medications, or other conventional therapies.
  • Have undergone a psychological evaluation to determine psychological readiness for the device implantation.
  • Have no medical conditions that would complicate the implantation procedure.
  • Are willing and able to follow the treatment and follow-up regimen.

The Journey to Receiving an SCS Device

Pre-Procedure Evaluation

Before SCS implantation, a comprehensive evaluation is necessary. This includes medical history assessment, physical examination, imaging tests, and a psychological assessment. The goal is to ensure that SCS is suitable and safe for the patient.

The Trial Period

A trial stimulation period is typically conducted before permanent implantation. During this trial, temporary leads are inserted, and a trial stimulator is worn on the belt. This period allows the patient to assess the effectiveness of the stimulation and decide whether to proceed with the permanent implant.

The Implantation Procedure

The Surgical Procedure

The implantation is a two-stage process. The first stage involves the placement of the leads, guided by fluoroscopy, into the epidural space of the spinal cord. In the second stage, the pulse generator is implanted under the skin, usually in the abdomen or buttock.

Recovery and Aftercare

Post-surgery, patients may experience mild discomfort and are advised to limit their activities to allow healing. The settings of the stimulator may be adjusted during follow-up visits to optimize pain relief.

Benefits and Risks of Spinal Cord Stimulation


Pain Relief: Many patients experience significant reductions in chronic pain.

Improved Mobility: Reduced pain often leads to improved physical function.

Reduced Dependence on Pain Medications: SCS can decrease the need for medications, reducing the risk of side effects and dependency.

Risks and Complications

Surgical Risks: Like all surgeries, SCS implantation carries risks such as infection, bleeding, or nerve damage.

Device Problems: The device may malfunction, move, or lead to irritation at the implant site.

Varying Efficacy: SCS may not work for everyone, and its effectiveness can diminish over time.

Life with a Spinal Cord Stimulator

Adjusting to the Device

Living with an SCS device involves regular check-ups, battery replacements for non-rechargeable devices, and being mindful of activities that could dislodge the leads.

Managing Expectations

It’s essential for patients to maintain realistic expectations and stay in close communication with their healthcare provider to manage their pain effectively.

Future of Spinal Cord Stimulation

Advancements in SCS technology continue to evolve, promising more precise pain relief with fewer side effects. Research is ongoing in areas such as waveform technology, battery life, and device miniaturization.


Can Spinal Cord Stimulation be used to treat any type of pain?

Spinal Cord Stimulation is primarily effective for neuropathic pain, such as nerve-related back, leg, or arm pain, and is not suitable for all pain types.

While generally safe, individuals with certain medical devices, like pacemakers, or those with specific health conditions, may not be eligible for SCS.

Non-rechargeable batteries may last 2-5 years, while rechargeable ones can last up to 10 years, depending on usage patterns.

Some patients may experience immediate relief, but for others, it may take weeks to adjust the settings for optimal pain management.


Spinal Cord Stimulation stands as a testament to the remarkable advancements in pain management. For those grappling with chronic pain, SCS offers a potential path to reclaim life’s joys, underscoring the profound impact of medical innovation on improving patient outcomes. As we forge ahead, the fusion of technology and medicine continues to unlock new horizons in the realm of healing and hope.

Related Blog