Abstract
Background
Dorsal root ganglion stimulation has established its role in chronic pain states and is commonly used as an alternative treatment to traditional spinal cord stimulation. Due to its approach, DRG stimulation is preferably used in pain conditions affecting a small area or a distinct nerve root. In selected patients, a combination of both techniques might be useful.
Methods
We report a series of five patients with chronic pain treated with DRG stimulation and traditional spinal cord stimulation from 2011 to 2018. Pain was reported on the VAS scale at the baseline, before and 12 months after the second procedure.
Results
All patients suffered from back and lower limb pain, four with a FBSS syndrome, one with CRPS. In all but one patient, SCS was implanted first and complemented with a DRG in the course (4–90 months between procedures). An additional stimulation system was implanted because the previous stimulation failed to reach the pain area or because the patient had an altered perception of other pain component after stimulation. All but one patient had a consistent and satisfying therapeutic effect with both systems activated.
Conclusion
The combination of dorsal root ganglion and traditional spinal cord stimulation is surgically and technically feasible. In selected patients, the combination of both methods offers an option to alleviate pain states not sufficiently or not efficiently treated with one method alone. The introduction of IPGs combining SCS and DRG stimulation paradigms might be useful to increase acceptance of this option.
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References
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PJS and GSP conceived the idea, JV, PJS and GSP performed the procedures and follow-ups, GSP and PJS developed the project, GSP and PJS wrote the manuscript with input from all authors. All authors approved the final version of the manuscript.
Parts of the findings in this paper have been presented at the INS 14th World Congress.
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PJS and JV received travel expense reimbursement and speaker honoraria from Abbott. All authors certify that they have no financial interest (such as personal or professional relationships, affiliations, knowledge or beliefs) in the subject matter or materials discussed in this manuscript.
Ethical approval
All procedures performed in studies involving human participants were in accordance with the ethical standards of the ethics committee of the Medical School of the Heinrich-Heine-Universität Düsseldorf and with the 1964 Helsinki declaration and its later amendments or comparable ethical standards. For this type of study, formal consent was not required.
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This article is part of the Topical Collection on Functional Neurosurgery - Pain
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Piedade, G.S., Vesper, J. & Slotty, P.J. Synergetic efficacy of simultaneous DRG- and traditional spinal cord stimulation. Acta Neurochir 162, 257–260 (2020). https://doi.org/10.1007/s00701-019-04166-y
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DOI: https://doi.org/10.1007/s00701-019-04166-y