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Clinical Focus: Diabetes - Case Report

Treatment of painful polyneuropathies of diabetic and other origins with 10 kHz SCS: a case series

Pages 352-357 | Received 01 Nov 2019, Accepted 17 Feb 2020, Published online: 09 Mar 2020
 

ABSTRACT

Painful diabetic polyneuropathy (PDPN) and painful polyneuropathies of other origins are associated with significant personal and societal burdens with treatments limited to symptomatic management. Treatment options include antidepressants, gamma-aminobutyric acid (GABA) analogs, opioids, and topical analgesics, which are intended to alleviate pain and symptoms of neuropathy, but limited data are available on their efficacy. Paresthesia-based low-frequency spinal cord stimulation (LF-SCS) is considered a last-resort treatment modality for PDPN patients. In a large-scale RCT of neuropathic low back and leg pain, high-frequency SCS at 10 kHz (10 kHz SCS) was shown to provide superior pain relief that is not dependent on paresthesia and a higher responder rate than LF SCS. This retrospective case series includes data from six patients with painful peripheral neuropathies, including PDPN, idiopathic polyneuropathy, and chronic inflammatory demyelinating polyneuropathy, who were candidates for 10 kHz SCS in routine commercial practice. All patients reported a reduction in verbal numerical rating scale (VNRS) pain score at last follow-up (2.7 ± 0.9) compared with baseline (7.0 ± 0.9). Out of five patients with information available at last follow-up, two were completely off their pain medications and two reduced their dose by over 40%. Similarly, at last follow-up, three out of five patients reported sensory improvement in their lower limbs. In conclusion, 10 kHz SCS treatment resulted in significant pain relief in all the patients, decreased reliance on pain medication, and improved lower limb sensory function in the majority of patients.

Acknowledgments

Author thanks Catherine Panwar PhD and Madhuri Bhandaru PhD for their services as medical writers and Kelly Read CRC for help in data collection.

Declaration of Funding

The contents of the paper and the opinions expressed within are those of the author, and it was the decision of the author to submit the manuscript for publication.

Peer reviewers on this manuscript have no relevant financial or other relationships to disclose.

Declaration of Interest

Author has no conflicts of interest to declare.

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