Comparison of Effectiveness of Tonic, High Frequency and Burst Spinal Cord Stimulation in Chronic Pain Syndromes

Patients with FBSS and CRPS are evaluated for VAS,, dissability scale, Quality of Life (QoL), sleep disorders and mental disorders. All patients undergo percutaneus (1 or 2) 8-contact SCS electrode implantation with trial. All patients are blindly randomized to tonic or burst or high frequency or off stimulation. After 2-week period each participant is adequately switched to another type of stimulation for next 2 weeks. Alltogether crossover takes 8 weeks: four 2-week periods of tonic, burst, HF and off stimulation. At the end of trial period patients are subjected to the mode of stimulation which is the most efficent. The final 2-week stimulation is performed with final renewed evaluation for VAS, amount of taken medications, dissability scale, Quality of Life (QoL), sleep disorders and mental disorders. Follow-up observation will last up to 12 months.