Tuesday, December 17, 2013

How does Neuromodulation work? part 2

          Percutaneous tibial nerve stimulation (PTNS) employs electrical stimulation of the sacral nerve plexus to treat urinary urgency, frequency and urge incontinence. 
              The intervention with PTNS consist of delivering impulses accessing the S1-S3 junction of the sacral nerve plexus via the less invasive route of the tibial nerve.
          The tibial nerve is accessed via a fine (34G) needle electrode inserted slightly above the ankle.  This anatomic area, long recognized as the “bladder center”, has projections to the sacral nerve plexus creating a feedback loop that neuromodulates bladder innervation.
    However  the exact mechanism of action of neuromodulation remains unclear.


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