The information on this website is not intended for diagnosis or treatment. Please consult your physician for health concerns.

+90 850 321 50 00

Sacral Neuromodulation for Incontinence

Implantable Sacral Nerve Stimulation for Refractory Bladder and Bowel Disorders

Written by: Saygı Hospital Health Guide Editorial Board
Last updated:

This content has been compiled by the Saygı Hospital Health Guide Editorial Board and is periodically reviewed by a specialist physician.

References (5)

This content is for informational purposes only and does not constitute medical advice. You can book an appointment at our Üroloji department. Book Appointment →

What is Sacral Neuromodulation for Incontinence?

Sacral neuromodulation (SNM) is FDA-approved implantable therapy delivering pulsed electrical stimulation to S3 sacral nerve root via a permanent quadripolar lead and pulse generator ("InterStim" or comparable device).

Mechanism: modulates afferent signals between bladder/bowel and central nervous system, restoring coordinated micturition and defecation reflexes.

Two-stage implantation: stage 1 (test phase, 1-2 weeks of percutaneous nerve evaluation OR implantation of permanent lead with external pulse generator), followed by stage 2 (permanent generator implantation if over 50% symptom improvement).

Indications: urinary urge incontinence refractory to anticholinergics/beta-3 agonists, non-obstructive urinary retention, frequency-urgency syndrome, fecal incontinence (when conservative measures fail).

Devices: rechargeable (10-15 year battery) and non-rechargeable (3-5 year battery) options; MRI-conditional newer generations.

Symptoms

Refractory urge urinary incontinence despite at least 3 months of behavioral therapy and 2 medications (anticholinergics, beta-3 agonists).
Non-obstructive urinary retention with elevated post-void residuals requiring catheterization.
Frequency-urgency syndrome (greater than 8 voids/day) refractory to medical management.
Fecal incontinence (over 2 episodes/week) refractory to conservative treatment (biofeedback, dietary, medication).
Failure to respond to or intolerance of botulinum toxin injections (for OAB).
Patient suitable for repeat procedures and follow-up for device management.

Risk Factors

Active pelvic infection or skin infection at insertion site.
Bleeding diathesis or therapeutic anticoagulation.
Severe sacral spine deformities (anatomic limitation for lead placement).
Pregnancy or planning pregnancy (device must be deactivated).
Patients requiring repeat MRI of pelvis with non-MRI-conditional devices.
Mechanical bladder outlet obstruction (must be addressed first).
Severe psychiatric or cognitive impairment limiting device use.

When to See a Doctor?

If you experience any of the following symptoms, seek medical attention promptly:

  • Severe overactive bladder with incontinence not responding to medications.
  • Inability to void requiring chronic catheterization.
  • Persistent fecal incontinence affecting quality of life.
  • Recurrent UTIs from incomplete bladder emptying.
  • Side effects from anticholinergic medications (dry mouth, constipation, cognitive effects).
  • Refusal of botulinum toxin injections or intermittent catheterization.

Treatment Methods

01
Comprehensive evaluation: voiding diary, urodynamics, cystoscopy, neurologic exam, anorectal manometry (for fecal incontinence).
02
Stage 1: percutaneous nerve evaluation (PNE, 3-7 days) or quadripolar tined lead placement at S3 with external pulse generator (1-2 weeks).
03
Trial period assessment: voiding diary comparison, symptom improvement over 50% required for permanent implantation.
04
Stage 2: permanent implantable pulse generator (IPG) placed in upper buttock pocket; lead connection.
05
Programming: amplitude, frequency, pulse width adjusted for optimal response and patient comfort.
06
Outcomes: 50-80% improvement in urge incontinence, 50-70% return to spontaneous voiding in retention, 70% improvement in fecal incontinence.
07
Postoperative restrictions: avoid extreme bending, lifting, twisting initially; gradual activity resumption.
08
Follow-up: 2-week wound check, 6-week programming optimization, 6-month and annual reviews.
09
Lifestyle education: device handling, magnet use, MRI considerations, generator replacement timing.
10
Complications management: lead migration (3-15%), infection (3-10%), pain at IPG site (10-15%), suboptimal stimulation.

Which Department to Visit?

You can visit our Üroloji department for these complaints. Our specialist physicians will create the most suitable treatment plan for you.

Learn About Üroloji Department

Let us help you

You can make an appointment with our specialists or contact us for your concerns.

Book AppointmentContact Us

Related Health Topics

Other articles from the same department you may want to explore.

Sacral Neuromodulation (InterStim)

Üroloji

An implantable neuromodulation system that uses electrical stimulation of the S3 nerve root to treat refractory overactive bladder, urinary retention and fecal incontinence.

Appendicitis

Genel Cerrahi

Appendicitis is inflammation of the appendix causing severe pain in the lower right abdomen. Early diagnosis and surgical treatment are life-saving.

Inguinal Hernia

Genel Cerrahi

Inguinal hernia is the protrusion of intestine or fat into the inguinal canal due to weakness in the abdominal wall. It can be permanently corrected with surgical treatment.

Umbilical Hernia

Genel Cerrahi

Umbilical hernia manifests as a soft swelling around the navel. While it often resolves spontaneously in infants, surgical treatment may be required in adults.

Gallstones and Cholecystectomy

Genel Cerrahi

Gallstones cause severe pain in the upper right abdomen, especially after fatty meals. They are safely treated with laparoscopic cholecystectomy.

Hemorrhoids (Piles)

Genel Cerrahi

Hemorrhoids result from swelling of the veins in the anus; they present with blood on toilet paper, itching, and pain. Various treatments are available, from lifestyle changes to surgery.

Anal Fissure

Genel Cerrahi

Anal fissure is a tear in the thin skin of the anal canal. It presents with sharp pain and bleeding and can be healed with medical or surgical treatment.

Pilonidal Sinus

Genel Cerrahi

Pilonidal sinus consists of tunnels and tracts prone to chronic infection, formed by hair becoming embedded under the skin in the tailbone area. Surgical treatment provides a permanent solution.

Health Disclaimer: The information on this page is prepared for general informational purposes only. It does not replace medical diagnosis and treatment. Please consult your physician for your complaints. Saygı Hospital does not accept responsibility for actions taken based on the information on this page.