September 12, 2022

Spinal Cord Simulation: How it Works

Spinal cord stimulation therapy is a pain treatment that masks the pain signal before they reach the brain. A device similar to a pacemaker is implanted in the body and delivers electrical pulses to the spinal cord. This is an option for patients with chronic, leg, or arm pain. 

What is Spinal Cord Stimulation?

A spinal cord stimulator (SCS) is a small device that is placed under the skin and transmits a mild, low-frequency electric current to the spinal cord. A tiny wire transfers the pulse to the nerve fibers. The SCS minimizes pain because the current modifies and hides the pain signals from reaching the brain. 

 

It is important to note that spinal cord stimulation therapy does not get rid of the source of the pain. It simply runs interference with the signal to the brain. This means that pain relief can vary depending on the patient. The SCS device produces a slight tingling sensation.. It is this sensation that overrides the pain signals. Pain signals travel on the small nerve fibers, whereas the fabricated signals from the SCS travel on larger, more dominant nerves fibers. 

 

The goal of spinal cord stimulation is not to completely erase pain, but to provide a 50-70% reduction. Even the slightest bit of pain relief can be helpful to someone who suffers regularly. Before a permanent spinal cord stimulator is implanted, each patient undergoes a trial to make sure this type of therapy will be effective and reduce their pain. 

 

Why is SCS Used?

Spinal cord stimulation is used to treat neuropathic pain. This is pain that originates from nerve damage. The nerve damage could be caused by injury, accident, or trauma. Patients who are prime candidates for SCS have typically suffered from chronic pain in the lower back, leg, or arm. Commonly, these patients have also had previous surgeries. 

 

More frequently, SCS is being used to avoid back surgery. Other leading causes for receiving SCS therapy is complex regional pain syndrome and peripheral neuropathic pain. Nerve pain that spans beyond damage to the brain and spinal cord, such as from an infection or even amputation or diabetes, is another reason that your physician may recommend SCS. 

 

More recently, SCS therapy has been proven to treat a number of chronic visceral pain types, such as abdominal or pelvic pain. 

 

Spinal cord stimulation therapy is used when other treatment types have not been effective in reducing chronic pain or if the patient does not want to undergo surgery. Fortunately, there are no pre-existing medical conditions that would prevent someone from receiving this type of therapy. Suppose you have pain caused by a correctable problem (meaning it could be fixed by surgery or other interventional treatments). In that case, SCS is a viable option for reducing your pain. 

 

This type of therapy is more effective when utilized in the earlier stages of a chronic disease or condition, rather than later when a disability has been established. 

SCS therapy is used to reduce these types of pain: 

  • Failed Back Surgery Syndrome: When initial surgery (or surgeries) have been ineffective in reducing pain on a consistent basis.
  • Sciatica or Arm Pain: Persistent pain caused by arthritis, spinal stenosis, or extensive nerve damage.
  • Complex Regional Pain Syndrome: When patients experience severe chronic pain, typically in their hands or feet. 
  • Arachnoiditis: This is painful inflammation and scarring of the protective lining of spinal nerves

 

Other types of pain caused by stump pain, peripheral vascular disease, multiple sclerosis, or a spinal cord injury may be reduced by the use of a spinal cord stimulator. 

Benefits of Spinal Cord Stimulation

Spinal cord stimulation therapy reduces the number of abnormal pain signals from reaching the brain. However, it also helps the body restore pain-inhibition pathways that have been lost. Pain-inhibitory pathways essentially work as gate-keeper. They control how much the brain receives pain. SCS therapy harnesses the body’s natural pain-relieving chemicals that are used by nerve fibers to communicate with each other. Not only does this whole process reduce pain, but it increases microcirculation. 

 

It is reported that 50-70% of patients who are candidates for SCS therapy experience 50% reduction in pain. An even higher proportion can expect to experience a 30% reduction in pain levels. For many patients who suffer from chronic pain, even the smallest amount of pain relief is welcomed. This has a profound effect on improving the quality of life in patients who have suffered from long-term chronic pain. 

 

Learn more about spinal cord stimulation and how it works for treating chronic pain, fill out the form below and get in touch with the team at BrioMD today.

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September 12, 2022

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