• Neuromodulation · Oct 2024

    Weight Trends After Spinal Cord Stimulation Therapy for Chronic Pain.

    • Caroline Kremer, Assaf Berger, Kenneth Bernstein, Tom Korach, and Alon Mogilner.
    • Department of Neurological Surgery, New York University Langone Health Medical Center, New York University, New York, NY, USA. Electronic address: caroline.kremer@nyulangone.org.
    • Neuromodulation. 2024 Oct 24.

    ObjectivesSpinal cord stimulation (SCS) therapy is an effective treatment for chronic pain, particularly in conditions such as postlaminectomy syndrome and complex regional pain syndrome (CRPS). Rare case reports described significant weight loss in patients who underwent dorsal column SCS therapy for chronic pain. Recently, neuromodulation for obesity has become a novel field for research. We aimed to investigate weight trends among patients treated with SCS for chronic pain.Materials And MethodsWe conducted a retrospective chart review in 342 patients treated with SCS or dorsal root ganglion stimulators at our institution between 2010 and 2023. Patients had their weight recorded before SCS implantation and at least once within 12 months after surgery. We also conducted interviews with 28 patients who experienced significant weight loss or had revision procedures owing to weight loss.ResultsWe found that 105 of 342 patients (30.7%) experienced weight loss of ≥5% within a year of implantation, and 32 of 105 (30.5%, 9.4% of all patients) experienced weight loss of ≥ 10%. A multivariate regression analysis revealed a modest increase in the likelihood of weight loss among patients with CRPS (odds ratio [OR] = 1.17, 95% CI [1.04, 1.30], p = 0.007) and in those who achieved pain relief after implantation (OR = 1.22, 95% CI [1.05,1.40], p = 0.008). Of the 28 patients with significant weight loss who were interviewed, 12 (43%) could not explain the reasons for their weight loss, whereas eight (29%) reported decreased appetite. Leads placed at higher thoracic levels were associated with increased rates of weight loss (37.2% at T6-T8 and 22.3% at T8-T10; p = 0.038).ConclusionsOur findings suggest that SCS therapy may affect weight in patients with chronic pain. Further studies are needed to investigate the potential role of SCS in weight modulation.Copyright © 2024 International Neuromodulation Society. Published by Elsevier Inc. All rights reserved.

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