Urethral Bulking for Urinary Incontinence
Urethral bulking to treat urinary incontinence involves injecting material around the urethra. This may be done to:
- Close a hole in the urethra through which urine leaks out.
- Build up the thickness of the wall of the urethra so it seals tightly when you hold back urine.
Most bulking materials are injected around the urethra just outside the muscle of the urethra at the bladder outlet. Injecting the bulking material may be done through the skin, through the urethra or, in women, through the vagina. Needle placement is guided by the use of a cystoscope inserted into the urethra.
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Urethral bulking procedures are usually done under local anesthesia in women, but men may require a general or regional anesthesia. A local anesthetic allows the person to stand up after an injection to find out if continence has been achieved. If continence has not been restored, another injection may be done immediately.
The surgery is used mostly for women and sometimes for men.
What To Expect After Surgery
Most urethral bulking injections can be done in a doctor's office or surgery center. They rarely require hospitalization. You may need to take it easy for a few days afterward.
Why It Is Done
Urethral bulking may be done to treat:
- Mild stress incontinence in women.
- Stress incontinence in women who don't want or can't have surgery.
- Mixed (stress and urge) incontinence.
- Mild stress incontinence in men that results from prostate surgery.
How Well It Works
Urethral bulking may work for some women. But fewer than 4 out of 10 women have long-term benefits.1 Many women need 2 or 3 injections.2
Risks
The main risks related to urethral bulking are pain at the injection site, injury to the urethra, and migration of the bulking material.
What To Think About
This surgery is used mostly for women and sometimes for men.
Collagen used for bulking is obtained from cows and is used after being chemically modified. It may cause allergic reactions in some people. So before collagen is used, a skin test is done to check for allergies. Collagen is absorbed slowly by the body, which makes it necessary to repeat the injections after several years. Collagen therapy is expensive.
This treatment method avoids the risks associated with abdominal surgery.
Before having urethral bulking treatment, ask your doctor about the following:
- How much success has the doctor had in treating incontinence with surgery? The success of surgical procedures for urinary incontinence depends on the experience and skill of the surgeon.
- Is there anything you can do to increase the likelihood of a successful surgery? Losing weight, quitting smoking, or doing pelvic floor (Kegel) exercises before surgery may increase the likelihood of regaining continence after surgery.
Complete the surgery information form (PDF)
(What is a PDF document?) to help you prepare for this surgery.
Citations
American Urological Association (2009). Guideline for the surgical management of female stress urinary incontinence: Update (2009). Available online: http://www.auanet.org/content/guidelines-and-quality-care/clinical-guidelines.cfm.
Keegan PE, et al. (2007). Periurethral injection therapy for urinary incontinence in women. Cochrane Database of Systematic Reviews (3).
WebMD Medical Reference from Healthwise
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