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. 2023 Nov;23(8):933-941.
doi: 10.1111/papr.13264. Epub 2023 Jul 6.

Combined cervical and thoracic spinal cord stimulation for chronic pain: A systematic literature review

Hao Tan  1 , Mohamed A Elkholy  2 , Ahmed M Raslan  1
Affiliations

Combined cervical and thoracic spinal cord stimulation for chronic pain: A systematic literature review

Hao Tan et al. Pain Pract. 2023 Nov.

Abstract

Objectives: Spinal cord stimulation (SCS) is conventionally placed at either cervical or thoracic spinal regions to treat chronic pain. However, for patients with multiarea pain, concomitant cervical and thoracic SCS (ctSCS) may be necessary to provide sufficient coverage. It remains unknown whether ctSCS is effective and safe. Thus, we aimed to survey the existing literature and assess the efficacy and safety of ctSCS.

Methods: A systematic review of the literature was performed according to the 2020 PRISMA guidelines to investigate pain, functional, and safety outcomes related to ctSCS. Articles between 1990 and 2022 available through PubMed, Web of Science, Scopus, and Cochrane Library databases were included if they assessed these outcomes in the context of ctSCS. Data extracted from articles included study type, number of ctSCS implantations, stimulation parameters, indications for implantation, complications, and frequency. The Newcastle-Ottawa scale was used to assess risk of bias.

Results: Three primary studies met our inclusion criteria. Overall, ctSCS was effective in providing analgesia. Pain severity was captured with patient-reported pain scales and changes in analgesic requirements. Various metrics were used to quantify quality of life and functional outcomes. Failed back surgery syndrome was the most common indication for ctSCS implantation. Implanted pulse generator pocket pain was the most common postoperative adverse event.

Conclusions: Despite the limited evidence available, ctSCS seems to be effective and generally well tolerated. The dearth of relevant primary literature illustrates a knowledge gap, and future studies are needed to better clarify the efficacy and safety profile of this SCS variant.

Keywords: cervical; chronic pain; spinal cord stimulation; thoracic.

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References

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