Neurostimulation for Treatment of Chronic Upper Limb Pain After Brachial Plexus Injury

Exclusion Criteria

• •Pain that is non-neuropathic as defined by DN4 score \<4.
• •Pregnant at the time of consideration for implant or planning to become pregnant during the study duration.
• •Active substance use disorder of any kind.
• •Active tobacco use.
• •Use of moderate or high dose opioid medication (oral morphine equivalents \>100 mg daily).
• •Active, untreated major psychiatric disorder that might interfere with subject's ability to participate.
• •Involvement in active litigation related to injury.
• •Patient has not undergone conservative medical management for at least 3 months (including physical and/or occupational therapy and at least one trial of neuropathic pain medication).