Spinal Cord Stimulation for Restless Legs Syndrome: Case Series and Mechanistic Hypothesis

Area of Science:

• Neurology
• Pain Management
• Neurosurgery

Background:

• Spinal cord stimulation (SCS) is a recognized treatment for chronic pain.
• Restless Legs Syndrome (RLS) is a prevalent neurological disorder often inadequately managed by medication.
• The etiology of RLS can be idiopathic or secondary to other conditions.

Observation:

• Three patients with chronic pain and Restless Legs Syndrome underwent SCS implantation.
• Patients experienced significant and lasting relief from RLS symptoms post-implantation.
• One patient noted RLS symptom improvement distinct from pain relief.

Findings:

• This study presents the first report of SCS as a potentially long-lasting, safe, and effective therapy for RLS across various etiologies.
• Two patients with RLS secondary to chronic pain also showed positive responses to SCS.
• The therapeutic benefit may stem from enhanced inhibition of hypothalamic cells influencing spinal dopaminergic pathways.

Implications:

• Spinal cord stimulation presents a promising therapeutic option for refractory Restless Legs Syndrome.
• Further research into the neurobiological mechanisms of SCS for RLS is warranted.
• This approach could expand the clinical applications of SCS beyond chronic pain management.