4/1/2024 0 Comments For the damaged coda pianoThis more accessible approach increased utilization, and led to the improved understanding of S1 DRG-S’ therapeutic potential, specifically, the multi-dermatomal coverage of neuropathic buttock, leg, and foot pain that DRG-S at S1 provides. Sacral DRG-S leads were initially placed using a retrograde technique, which was supplanted by the posterior transforaminal approach. Additionally, an ipsilateral, paramedian approach for thoracolumbar DRG-S lead placement was described to decrease lead fracture and enable an alternative technique to the wider-angled contralateral approach. Anchoring the 1-mm DRG-S lead has proven to be an integral step in decreasing lead migration and potentially lead fracture. Ī developing appreciation for the interplay between DRG-S’ implantable components and methods and the resulting specific anatomical structures in device failure and patient injury is driving technique evolution to improve safety and efficacy. With DRG-S, a curved introducer sheath is used to steer and deploy the lead through the foramen and then over the dorsal root ganglion (DRG), followed by ‘S’ tension loop placement. When compared to dorsal column spinal cord stimulation (SCS) lead placement, DRG-S requires a significantly different technique for electrode placement that continues to evolve. Dorsal Root Ganglion Stimulation, Sacral Nerve, Safety, Neurostimulation, Technique Introductionĭorsal root ganglion stimulation (DRG-S) utilizes a shaped electrical field placed over the somata of primary afferent nerve fibers.
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