Sacral Neuromodulation or “InterStim” is a treatment option for patients with both bladder as well as bowel control issues. 

In addition, it can sometimes be a great treatment option for patients who are unable to empty their bladder adequately.

The InterStim device is thought to improve the communication between the brain and the bladder/bowel, thus addressing difficulties when other treatment options fail. As a result, Interstim is often thought of by patients as a “pacemaker” for the bladder and or bowel.

Prior to placing the Interstim device, a basic test is done to evaluate the possibility of success. This test is called Peripheral Nerve Evaluation (PNE).

PNE is a 20 to 30 minute outpatient procedure typically performed under local anesthesia and mild sedation.

 It involves placing a very small temporary device to gently stimulate the nerves to the bladder and/or bowel for several days.

 If bladder or bowel symptoms improve, then a permanent device is often placed with great success.


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