INTERSTIM

 
INTERSTIM is a device specially designed for Sacral neuromodulation.
 
Sacral neuromodulation is a treatment for Urinary Urge Incontinence, Urinary Frequency, and Urinary Retention. It is an implantable, programmable device that delivers a pulse low amplitude stimulation to one of the nerves that innervates the bladder.

The procedure is done in two stages, each outpatient.

During the first stage, a small fiber is placed next to the nerve. This is done percutaneously, or without incisions. Xray is used to localized the exact position of the nerve. The patient will feel a tapping or vibration in the bladder, urethra, vagina, scrotum, penis, or rectum when the fiber is implanted properly.

The second stage is done 1-3 weeks after the first. During this 1-3 week trial, the fiber is connected to an external generator that looks like a pager or cellphone. The patient keeps a record of the number of voids, incontinent episodes, voided volumes, and catheterized volumes.

If, based on the results of the bladder diary, the fiber has improved symptoms by 50% or better, then the second stage takes place and a permanent generator is connected to the fiber and implanted beneath the skin in the buttock or abdomen.

Statistically 85% of patient who have Urgency, Frequency, or Urge Incontinence and 77% of patient who have urinary retention will have a 50% or better improvement in their symptoms.

 Any patient who has used several medications to treat urinary urge incontinence without success is a candidate for this procedure. Any person who needs to catheterize to empty their bladder is a candidate. 

Dr . Kalyvas’ Comment

The method is applied in carefully selected patients, and we are fully approved and trained to implant the device and follow the patient up.

For more information you can visit the manufacturer web page Medtronic

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