InterStim FAQs
Frequently Asked Questions
How does the InterStim™ system work?
The InterStim™ system uses gentle stimulation to help your brain communicate with the bladder and bowel. Placed just beneath the skin, it acts like a messenger — helping your body to recognize when it’s time to go. In turn, this can help reduce your bladder or bowel control issues.1,2,3,§
Why is this therapy different?
You can try it before you decide, and it’s reversible if you change your mind later. And unlike injections, it doesn’t require self-catheterization or repeated treatment visits.
What can this therapy do for me?
It may significantly reduce symptoms in people who have frequent urges to urinate or related frequent leaks or are unable to fully empty their bladder.4
Will it cure my condition?
No. It can be effective, but it’s not a cure. If the neurostimulator is turned off or removed, symptoms can return.
What does the stimulation feel like?
Most people describe the stimulation sensation as a tingling, flutter, or vibration in the pelvic area. It should not be painful. Stimulation settings can be adjusted, and sensations will vary from person to person.
Can I have an MRI?
InterStim™ is the only portfolio of sacral neuromodulation systems offering unimpeded MRI access. Eligible patients can receive a full body 1.5T and 3T MRI, even with out-of-range impedance.†† Your doctor will determine whether you are eligible.
Will insurance cover the costs?
Medicare and many private insurance companies cover this therapy. Talk to your doctor to learn more about your insurance coverage.
†† Under certain conditions; see approved labeling for details. Patients with InterStim™ SureScan™ MRI leads only.
§ Defined as 50% or greater reduction in your troublesome bladder symptoms. Ω Minimally Important Difference (MID) = 10 points.
1. Patton V, Wiklendt L, Arkwright JW, et al. The effect of sacral nerve stimulation on distal colonic motility in patients with fecal incontinence. Br J Surg. 2013;100(7):959-968.
2. Leng WW, Morrisroe SN. Sacral nerve stimulation for the overactive bladder. Urol Clin N Am. 2006;33:491–501.
3. Chancellor MB, Chartier-Kastler EJ. Principles of sacral nerve stimulation (SNS) for the treatment of bladder and urethral sphincter dysfunctions. Neuromod. 2000;3(1):1526.
4. Stewart WF, Van Rooyen JB, Cundiff GW, et al. World J Urol. 2003;20(6):327-336.
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