Neuromodulation : journal of the International Neuromodulation Society
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The field of neuromodulation continues to grow, especially in the area of pain management. Percutaneous nerve field stimulation continues to gain significant popularity for chronic, focal, and intractable neuropathic pain. ⋯ The great adaptability of this system allows for implantation of electrodes subcutaneously with efficacy and ease. Here we present a technical note on the use of this system for subcutaneous implantation of peripheral nerve field stimulators.
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Randomized Controlled Trial Multicenter Study
Analysis of adverse events in the management of chronic migraine by peripheral nerve stimulation.
In this study, we analyze device- and procedure-related adverse events (AEs) from a recent prospective, multicenter, double-blinded controlled study that utilized peripheral nerve stimulation (PNS) of occipital nerves for management of chronic migraine. ⋯ Implantation of the IPG closer to the lead location was associated with reduced AEs. PNS is a relatively new procedure, and the skill and precision in performing these procedures improves with experience. Our results demonstrate that as the implanter gains more experience with these procedures, a significant reduction in device- and procedure-related AEs may be expected.
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Multicenter Study
Increased pain catastrophizing associated with lower pain relief during spinal cord stimulation: results from a large post-market study.
Pain catastrophizing is a negative cognitive distortion to actual or anticipated pain. Our aim was to determine if greater catastrophizing has a deleterious relationship with pain intensity and efficacy outcomes in patients receiving SCS. ⋯ Our results indicate that patients with greater catastrophizing, post-implant, were more likely to report higher pain intensity and lower pain relief, quality of life and satisfaction with SCS. These results indicate that associations between pain intensity and pain-related mental health may contribute to influence the overall efficacy of SCS.
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High-cervical spinal cord stimulation (SCS) is a promising neurostimulation method for the control of chronic pain, including chronic cluster headache. The effects of high-cervical SCS in patients with intractable chronic migraine pain are unknown. ⋯ In patients with intractable chronic migraine treated with high-cervical SCS, pain and quality of life significantly improved, warranting further research.
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Central poststroke pain is a serious problem for some patients after stroke. Repetitive transcranial magnetic stimulation (rTMS) has been reported to relieve poststroke pain but its efficacy is still controversial. We tested the possibility that rTMS, when applied once a week, would induce sustainable relief of poststroke pain. ⋯ Although this was an open-label study without a control group, our findings suggest that rTMS of the primary motor cortex, when maintained once a week, could help to relieve poststroke pain.