The implantation technique is more challenging than that of SCS. Greater pain areas can be covered with the use of more than one electrode. SPINAL CORD/DORSAL COLUMN AND DORSAL ROOT GANGLION STIMULATION Effective Date: FebruReview Dates: 2/23 Date Of Origin: FebruStatus: New. With one electrode, paresthesia is only achieved within a single dermatome. Percutaneous leads positioning in the epidural space. This space is primarily occupied by fat tissue and small blood vessels, lymphatics and nerve roots laterally (Figure 71-2). Your physician will be able to guide you as you consider dorsal column stimulator surgery. In this technique, the electrode is placed directly adjacent to the spinal ganglion. The posterior epidural space, dorsal to the dura, is the target of lead placement for SCS to facilitate dorsal column stimulation. This surgical technique is generally considered if previous back surgeries have not produced the results that the patient or surgeon anticipated.
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