• Takamitsu Yamamoto, Chikashi Fukaya, and Atsuo Yoshino.
• Masui. 2014 Jul 1;63(7):775-82.

AbstractDevelopment of instruments for spinal cord stimulation is remarkable. We can implant two cylinder-type stimulation electrodes in parallel into the spinal epidural space. We call this method for dual-lead SCS. Dual lead-SCS is useful to induce paresthesia over the painful area, and the success rate of pain reduction induced by dual-lead SCS is increasing. For dual-lead stimulation, the RestoreSensor, the EonMini, and the Precision Plus are suitable and useful for the treatment of intractable pain. Based on the results of a drug-challenge test with ketamine, we applied dual-SCS for the treatment of various kinds of neuropathic pain. Comparing with the results of single-lead SCS, dual-lead SCS has obvious advantages to evoke paresthesia over the painful area, and showed a remarkable effects for pain reduction. Dual-lead SCS combined with low-dose ketamine drip infusion method is useful for the treatment of various kinds of neuropathic pain. Even if the direct effect of ketamine is transient, effects that provide release from central sensitization and the wind-up phenomenon may be important to increase the effects of dual-lead SCS. Based on the development of dual-lead SCS, SCS therapy has become an important and powerful method for the treatment of intractable pain.

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