Recovery and Follow-Up After Urethroplasty: Can the Stricture Return?

A urethral stricture is a narrowing of the urinary channel caused by scar tissue developing on its inner surface. The method giving the most durable results is urethroplasty, in which the narrowed segment is surgically repaired. When the decision to operate is made, how the surgery will be performed is usually discussed in detail; the period that most affects patients' daily lives, however, is the recovery and follow-up afterwards.

The questions asked most often during this period are how long the catheter will stay, when urine flow will improve and whether the stricture will return. This article covers how the process progresses after urethroplasty, which checks are carried out, how recurrence presents and why follow-up needs to be long-term.

What happens immediately after surgery?

After urethroplasty a urinary catheter is used for a period so that the repaired segment of the urinary channel can heal. By keeping urine from passing over the repair line, the catheter allows the tissue to rest and heal properly.

The length of hospital stay varies with the surgical technique used and the patient's general condition. During this time pain is controlled, antibiotics are used where indicated, and catheter care is taught to the patient.

Swelling, bruising and tenderness at the surgical site are expected findings in the first days. These settle over time; increasing pain, redness and fever, however, are assessed separately.

How long does the catheter stay and how is it cared for?

There is no standard duration; it is determined by the surgeon according to the site and length of the stricture, the technique used and how quickly the tissue heals. It is important that patients do not try to shorten this period themselves, as a catheter removed early can adversely affect healing of the repair line.

The points to observe while the catheter is in place are:

• Hygiene: Keeping the catheter entry site clean as advised.
• Securing it: Fixing the catheter so that it cannot be pulled; sudden traction can damage the repaired area.
• Bag position: Keeping the drainage bag below bladder level.
• Fluid intake: Drinking as much as the physician recommends.
• Avoiding constipation: Straining can put pressure on the repaired area.
• No heavy lifting: Avoiding strenuous physical activity for the period specified.

A small amount of leakage around the catheter may occur in some patients. No urine draining at all, a blocked catheter or a catheter coming out, however, require attention without delay.

What happens when the catheter is removed?

Removal is planned once healing is considered sufficient. At this stage an imaging study is usually performed to assess whether the repair line has closed. A film taken with contrast introduced into the channel shows whether there is any leak.

If no leak is found the catheter is removed and the patient begins passing urine normally. If there is a leak the catheter may need to stay a while longer; this does not mean the operation has failed, only that healing is taking a little more time.

Mild burning and a small amount of blood in the urine are usual during the first voids after removal. These findings settle within a short time.

When does urine flow improve?

Most patients describe a marked improvement in urine flow after the catheter is removed. In the early period, however, flow may not yet have reached its best because of swelling; it improves over time as the swelling subsides.

Monitoring how urine flow changes during this period is important. Patients are asked to report changes such as weakening flow, longer voiding times or a sense of incomplete emptying at their follow-up appointments.

Can the stricture return, and how is recurrence recognised?

Urethroplasty is accepted as the method giving the most durable results in urethral stricture; even so, it cannot be said for any surgical method that the possibility of recurrence is removed entirely. The likelihood varies with the site, length and cause of the stricture and the technique used.

The most common signs of recurrence are:

• Urine flow weakening again: Usually the first and most obvious finding.
• Longer voiding times and a need to strain
• An interrupted stream and dribbling
• A sense of incomplete emptying
• Recurrent urinary tract infections
• Pain on passing urine or blood in the urine

When these signs appear, attending a review rather than waiting is advised. A narrowing detected early can be addressed with a smaller intervention, whereas an advanced narrowing can also affect the bladder and kidneys.

How does the follow-up programme work?

Follow-up after urethroplasty is not limited to the first months. Although recurrences mostly appear in the first years, they can also occur later. Follow-up therefore needs to be planned for the long term.

Follow-up generally involves:

• Symptom assessment: Regularly reviewing questions about urine flow and voiding.
• Uroflowmetry: Measuring urine flow rate; one of the early indicators of recurrence.
• Post-void residual measurement: Showing whether the bladder empties.
• Urinalysis: Assessment for infection.
• Imaging or cystoscopy where indicated: Direct assessment of the channel in doubtful cases.

Feeling well is not in itself sufficient reason to stop follow-up; where a stricture progresses slowly, the person may not notice the change.

Is sexual function affected?

Some patients report temporary changes in erection quality, differences during ejaculation or a temporary reduction in penile sensation after urethroplasty. These findings mostly settle over time.

The site of the stricture and the extent of the technique used can be decisive here. Asking about this before surgery and sharing any changes openly at follow-up appointments allows the process to be managed properly.

When should help be sought without delay?

Attention should be sought without waiting for a scheduled appointment in the following situations:

• Being unable to pass urine at all
• Fever, shivering and increasing pain
• Increasing redness, swelling or discharge at the surgical site
• A blocked catheter or one that has come out
• Marked and persistent bleeding in the urine

The period after urethroplasty is not a short phase ending when the catheter is removed; it is a process in which urine flow is monitored, signs of recurrence are reviewed and long-term follow-up is maintained. Presenting early when flow weakens again can allow the problem to be addressed with a smaller intervention. Assoc. Prof. Zülfü Sertkaya practises in urology and andrology in Istanbul; assessment of urethral stricture and postoperative follow-up are carried out with individual planning and confidentiality.

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