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Urethral Stricture Treatment – Methods & Options

Urethral stricture treatment includes procedures to widen or reconstruct a narrowed urethra. The goal is to restore normal urine flow and relieve associated symptoms.

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Things worth knowing about "Urethral Stricture Treatment"

Urethral stricture treatment includes procedures to widen or reconstruct a narrowed urethra. The goal is to restore normal urine flow and relieve associated symptoms.

What Is a Urethral Stricture?

A urethral stricture is a narrowing of the urethra caused by scar tissue, which restricts or obstructs the flow of urine. It can develop as a result of injury, inflammation, or surgical procedures and may range from mild to severe. Without treatment, a urethral stricture can lead to serious complications including recurrent urinary tract infections, bladder damage, and even kidney problems.

Causes of Urethral Stricture

Traumatic injury: Pelvic fractures, straddle injuries, or trauma from urinary catheters
Infections: Recurrent urethritis, including sexually transmitted infections such as gonorrhea
Surgical procedures: Prostate surgery (e.g., transurethral resection), hypospadias repair, or urethral instrumentation
Radiation therapy: Scar formation following pelvic radiation
Congenital causes: In rare cases, narrowing may be present from birth

Symptoms

Weak or interrupted urinary stream
Pain or burning during urination
Frequent urge to urinate with low output
Incomplete bladder emptying
Recurrent urinary tract infections
In severe cases: acute urinary retention (complete inability to urinate)

Diagnosis

Several diagnostic tools are used to confirm the presence and extent of a urethral stricture:

Uroflowmetry: Measures the rate of urine flow to assess the degree of obstruction
Urethrocystoscopy: Direct visualization of the urethra using a thin flexible or rigid scope
Retrograde urethrography: X-ray imaging using contrast dye to precisely locate and measure the stricture
Ultrasound: Used to assess bladder function and measure post-void residual urine

Treatment Options

1. Dilation (Bougienage)

Urethral dilation involves gradually stretching the narrowed urethra using progressively larger instruments called bougies or balloon catheters. It is a minimally invasive outpatient procedure but has a high recurrence rate, often requiring repeated treatment sessions.

2. Internal Urethrotomy

Internal urethrotomy is an endoscopic procedure in which the scar tissue causing the stricture is cut with a cold knife or laser under anesthesia. It is most effective for short, uncomplicated strictures in the bulbar urethra. However, it carries a significant risk of the stricture recurring, especially with longer or recurrent lesions.

3. Urethroplasty (Open Surgical Reconstruction)

Urethroplasty is considered the gold standard for treating urethral strictures, particularly those that are long, complex, or recurrent. The scarred segment is either surgically excised and reconnected (anastomotic urethroplasty) or reconstructed using tissue grafts, most commonly from the inner cheek (buccal mucosa graft). Long-term success rates are significantly higher than endoscopic methods.

4. Laser Urethrotomy

The use of laser technology (e.g., holmium laser) allows for precise incision of scar tissue with reduced bleeding and potentially faster recovery compared to conventional cold knife urethrotomy.

5. Urethral Stents

Urethral stents are small mesh-like devices inserted into the urethra to keep it open. They are rarely used today due to a high rate of complications including re-scarring and chronic discomfort.

6. Suprapubic Catheter (Temporary Measure)

In cases of acute urinary retention or as preparation for surgery, a suprapubic catheter may be inserted through the abdominal wall directly into the bladder to temporarily divert urine flow.

Follow-Up and Recurrence Prevention

Regular follow-up examinations, including uroflowmetry and post-void residual measurement, are essential after treatment to detect early recurrence. In selected patients, periodic self-dilation using a thin catheter may be recommended to help prevent re-narrowing of the urethra.

References

Lumen N, Campos-Juanatey F, Greenwell T, et al. - European Association of Urology (EAU) Guidelines on Urethral Strictures. EAU Guidelines 2023. https://uroweb.org/guidelines/urethral-strictures
Santucci RA, Eisenberg L. - Urethrotomy has a much lower success rate than previously reported. Journal of Urology. 2010;183(5):1859-1862.
Mundy AR, Andrich DE. - Urethral strictures. BJU International. 2011;107(1):6-26.

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