alexa Inhibiting the hyperreflexic bladder with electrical stimulation in a spinal animal model.
Physicaltherapy & Rehabilitation

Physicaltherapy & Rehabilitation

International Journal of Physical Medicine & Rehabilitation

Author(s): Walter JS, Wheeler JS, Robinson CJ, Wurster RD

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Abstract Uninhibited bladder contractions are a problem in spinal cord injured patients. Accordingly, methods using electrical stimulation to inhibit the bladder were investigated in chronic spinal cord injured (C6-T1) male cats. In unanesthetized, restrained animals, spontaneous bladder contractions were observed after the bladder was filled above the micturition threshold. In 3 of the 5 cats studied, this bladder activity could be inhibited with stimulation of either sacral nerves or pudendal nerves. Pudendal nerve stimulation, however, was more selective than sacral nerve stimulation for inhibition with fewer side effects such as leg spasms. Tibial nerve stimulation was ineffective and caused leg spasms and increased bladder activity. Finally, high-frequency stimulation (1,000 Hz) of the sacral nerves was shown to block bladder contractions in 2 of 3 cats investigated. However, this method had adverse side effects such as leg flexion and secondary bladder contractions. We conclude that pudendal nerve/pelvic floor stimulation at low frequency is a relatively effective method in this model.
This article was published in Neurourol Urodyn and referenced in International Journal of Physical Medicine & Rehabilitation

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