• G Lanner and M C Spendel.
• Clinic of Neurosurgery, Klagenfurt, Austria. guenther.lanner@lkh-klu.at
• Acta Neurochir. Suppl. 2007 Jan 1;97(Pt 1):79-84.

AbstractOver the past four decades, techniques and devices for spinal cord stimulation have undergone considerable refinement. Currently, percutaneous implantable electrodes are placed in the epidural space and a low-frequency electrical current is used to modify the transmission of chronic pain signals in the dorsal columns of the spinal cord. Before permanent implantation, the spinal cord stimulation will be examined during a test phase to determine its analgesic effect and tolerability. We have reviewed our experience in 88 patients with chronic nonmalignant pain. The follow-up of our study ranged from 15 to 75 months, with an average of 60 months. The indication for SCS in these 88 patients was mainly neuropathic pain syndromes. The patients were followed up by the Visual Analog Scale (VAS), level of activity and subjective assessment of the quality of life. On the basis of the patients' self-assessments using the VAS, the degree of pain relief was excellent/good in 72 of 88 patients (82%). At the end of the follow-up period, 50% of the patients were in a better psychological status and 86% of the patients reported an improvement in activities of their daily living and a reduction in the use of analgesic medication. Ninety percent of the patients stated that they would go through the procedure again for the same result. The findings of the present study indicate that spinal cord stimulation is an efficacious therapy for the treatment of chronic non-malignant pain.

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