DRG for chronic pain
The DRG (Dorsal Root Ganglion) stimulation system is a medical technology used to treat chronic pain. It works by stimulating the dorsal root ganglia, which are responsible for transmitting sensory signals to the brain.
The DRG system uses electrical stimulation to modulate the nerve signals transmitted through the dorsal root ganglia to help reduce chronic pain.
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Stimulation leads with electrodes. These are thin electrodes implanted at specific nodes in the spinal cord, which transmit electrical impulses to modulate nerve signals and reduce pain.
A neurostimulator, which is sometimes referred to simply as a stimulator or generator. This is a small device implanted under the skin, usually in the back or abdomen. The generator sends electrical signals to the electrodes, according to a set programme.
An external programming device is used to set and adjust the stimulation parameters by a medical professional. This is done during regular visits to optimise treatment.
Although DRG (Dorsal Root Ganglion) and SCS (Spinal Cord Stimulation) therapies are both used to relieve chronic pain, DRG therapy is slightly superior in some aspects.
DRG therapy offers the ability to target stimulation to specific areas of the spinal cord root ganglia, making it more effective for the treatment of local, complex pain conditions such as Complex Regional Pain Syndrome (CRPS). In contrast, SCS therapy has a broader field of action, stimulates more areas of the spinal cord, and has a lower precision of the therapy site than DRG.