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Spinal Nerve Root Stimulation for Chronic Pain: A Systematic Review
Alan Chalil1, Brendan G Santyr1, Mohamad Abbass1
1Department of Clinical Neurological Sciences, London Health Sciences Centre, Western University, London, ON, Canada.
Summary
Spinal nerve root stimulation (SNRS) effectively reduced chronic pain intensity by 44% in a systematic review. This neuromodulation technique also showed potential for decreasing analgesic medication use in patients with difficult-to-treat pain.
Area of Science:
- Neuromodulation
- Pain Management
- Neurosurgery
Background:
- Spinal cord stimulation (SCS) targets dorsal columns for chronic pain but has limitations in covering specific neuropathic pain dermatomes.
- Spinal nerve root stimulation (SNRS) offers a targeted approach to address pain in specific dermatomes, potentially overcoming SCS limitations.
Conclusions:
- Spinal nerve root stimulation (SNRS) demonstrated a mean pain reduction of 44% with a low level of certainty.
- Evidence suggests SNRS may be associated with decreased reliance on analgesics like morphine and gabapentin.

