Effects of spinal cord stimulation on pain, physical activity, and self-efficacy among patients with neuropathic pain

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INTRODUCTION: Effects of Spinal Cord Stimulation (SCS) on physical activity and self-efficacy remain unexplored. PURPOSE: To evaluate effects of SCS on pain intensity, physical activity, health-related quality of life (HRQL), and self-efficacy among chronic neuropathic pain patients. METHODS: Randomized controlled trial, the first phase of a 3-part intervention study. Patients >18 years of age underwent SCS implantation after a test trial and were randomized 1:1 to active SCS or conventional medical management (CMM) with the SCS switched off. Data were collected at baseline and 3 months after implantation regarding pain (Numeric Rating Scale; NRS), physical activity (accelerometer), HRQL, and self-efficacy. RESULTS: <0.001) in patients with active SCS. Moderate-to-vigorous physical activity increased by 26 minutes/week (87%), although not statistically significant. Patients reported significant improvements in HRQL and self-efficacy. CONCLUSION: SCS seems to reduce neuropathic pain intensity which might contribute to improvements in HRQL and self-efficacy. Low physical activity levels in this population should prompt targeted rehabilitation interventions. CLINICAL TRIAL REGISTRATION: The https://clinicaltrials.gov/ identifier is NCT03740763 and the Västra Götaland Region (VGR) registry (https://www.researchweb.org/is/vgr/) identifier is 216271.

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