Dorsal Root Ganglion (DRG) Stimulation
The Dorsal Root Ganglion (DRG) is located in the epidural space where the spinal nerve roots form. The DRG contains the cell bodies of pain nerves that send information to the spinal cord and ultimately the brain. The DRG plays a crucial role in the development and maintenance of chronic pain.
Electrical stimulation of the DRG can modulate its function and reduce pain. A fine lead, with electrodes is positioned on the DRG via an epidural needle and sophisticated introducer, similar to the technique used in spinal cord stimulation. As in spinal cord stimulation, a successful trial is required to determine if implantation of a permanent DRG stimulation system is possible.
DRG stimulation is ideally suited to treating areas that are hard to treat with spinal cord stimulation and most effective in conditions producing localised neuropathic pain (nerve pain) – such as post-surgical pain (e.g. after knee replacement or hernia repair), diabetes, complex regional pain syndromes (CRPS or RSD), and post-amputation pain (phantom limb pain or stump pain).
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“It’s vital to work with a physician who specialises in pain medicine to help identify the source of your pain and develop the best method of treatment.”
Dr Frank Thomas