4.4 Article

High-frequency spinal cord stimulation in failed back surgery syndrome patients with predominant low back pain-single-center experience

Journal

NEUROSURGICAL REVIEW
Volume 44, Issue 5, Pages 2809-2818

Publisher

SPRINGER
DOI: 10.1007/s10143-020-01462-5

Keywords

FBSS; Neuromodulation; High-frequency SCS; SCS; Adjacent segment disease; Low back pain

Funding

  1. Projekt DEAL
  2. Nevro

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High-frequency spinal cord stimulation (HF10 SCS) demonstrates significant pain reduction in most patients with failed back surgery syndrome (FBSS) and predominant low back pain (LBP), potentially serving as an efficient alternative to revision surgery.
Treatment of patients with failed back surgery syndrome (FBSS) with predominant low back pain (LBP) remains challenging. High-frequency spinal cord stimulation (HF10 SCS) is believed to achieve significant pain reduction. We aimed to evaluate the real-life efficacy of HF-10 SCS in a tertiary spine center. A prospective observational study of all patients with FBSS and predominant LBP who underwent HF-10 SCS surgery was performed between 2016 and 2018. Patients > 18 years with Visual Analogue Scale (VAS) scores of >= 5 for LBP and pain duration > 6 months under stable medication were implanted percutaneous under general anesthesia and a trial phase of 7-14 days was accomplished. Primary end point was a successful trial defined as >= 50% VAS score reduction for LBP. Thirty-four of 39 (85%) subjects had a successful trial. Fifty-three percent were female and the mean age was 69 years. Median follow-up lasted for 10 months. Devices were removed after a median of 10 months in 5 cases. Remaining 29 patients stated significant VAS score reduction for LBP from 8.1 to 2.9 and VAS for leg pain from 4.9 to 2.2. Twenty-four percent of all patients were able to discontinue their opioids. Eight of 9 patients (89%) with signs of adjacent disc disease and 7 of 10 (70%) patients with hardware failure were successfully implanted with significant VAS reduction for LBP. HF-10 SCS achieves significant pain reduction in most patients with FBSS and predominant LBP. It might be an efficient alternative to revision surgery.

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