Vol 45, No 5 (2011)

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Results of neuromodulation for the management of chronic pain

Paweł Sokal1, Marek Harat1, Dariusz Paczkowski1, Marcin Rudaś1, Marcin Birski1, Aleksander Litwinowicz1
DOI: 10.1016/S0028-3843(14)60312-1
Neurol Neurochir Pol 2011;45(5):445-451.

Abstract

Background and purpose

Neuromodulative treatment of chronic pain syndromes is a modern mode of treatment of neuropathic and ischaemic pain. Its effectiveness is well documented in the literature. The objective of this work is to present the results of treatment of chronic pain syndromes on the basis of eight-year experience in our department.

Material and methods

Since 2002, we have conducted 9 operations of motor cortex stimulation (MCS), 2 of deep brain stimulation (DBS), 45 of spinal cord stimulation (SCS) and 5 of sacral root stimulation (SRS) in the treatment of chronic pain.

Results

We obtained good long-term results of neuromodulation in the form of clinical improvement (> 50%) in 4 of 9 patients with MCS (44%), in 13 diagnosed with failed back surgery syndrome (FBSS), 8 with other neuropathic pain, and 11 with angina pectoris from a group of 45 treated with SCS. Sacral root stimulation has been successful in 3 of 5 patients with perianal pain. The best treatment results in SCS, although not statistically significant, were observed in patients treated due to FBSS (13 out of 15) and angina pectoris (11 out of 15) (p = 0.12). In patients with neuropathic pain, peripheral and central, improvement was obtained in 8 out of 15 patients.

Conclusions

A good indication for spinal cord stimulation is FBSS and angina pectoris. Motor cortex stimulation is helpful in the treatment of chronic central neuropathic pain. Further observations and a larger group of patients are necessary for a reliable assessment of the effectiveness of neuromodulative treatment of chronic pain in our clinic.

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Neurologia i Neurochirurgia Polska