Urethral Stenosis

Urethral stenosis is the narrowing of the urethra, which can obstruct the flow of urine and cause urinary difficulties. It is often caused by scarring resulting from injury, infection, or inflammation.

Symptoms

Difficulty Urinating:

Straining or prolonged urination.

Weak Urine Stream

Reduced flow of urine.

Frequent Urination

Need to urinate more often.

Urinary Retention:

Inability to empty the bladder completely.

Painful Urination:

Discomfort or burning sensation.

Urinary Tract Infections (UTIs):

Increased risk due to urine retention.

Causes

Injury or Trauma:

Direct injury to the urethra from accidents, medical procedures, or catheterization.

Infections:

Sexually transmitted infections or other bacterial infections causing inflammation.

Surgery:

Previous surgeries on the urinary tract can lead to scarring.

Radiation Therapy:

For pelvic cancers, which can damage the urethra.

Risk Factors

History of UTIs or STIs:

Increased risk of scarring.

Previous Urethral Surgery:

Higher likelihood of developing strictures.

Use of Catheters:

Long-term catheter use can cause damage and scarring.

Investigations

Medical History and Physical Examination

To identify symptoms and potential causes.

Urine Flow Test

Measures the rate of urine flow.

Cystoscopy: Insertion of a scope to visualize the urethra and bladder.

Retrograde Urethrogram: X-ray with contrast dye to outline the urethra and identify the location and extent of the stricture.

Management

Optilume

A balloon dilation procedure combined with drug coating to prevent restenosis.

Dilation

Gradually stretching the urethra using increasing sizes of dilators.

Urethrotomy

Incision through the stricture using a scope with a cutting instrument.

Urethroplasty

Surgical reconstruction or replacement of the narrowed section of the urethra for severe or recurrent cases.

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