urethral stricture

 

Urethral Stricture

Understanding the urethra

The urethra is the tube that urine flows out from the bladder. It passes through the penis in men. The urethra is much shorter in women and ends just above the vagina. (In men, semen is also ejaculated through the urethra.)

What is a urethral stricture?

A stricture occurs when a part of the urethra becomes narrowed. Any section of the urethra may be affected. There is usually some scar tissue around the affected part of the urethra that causes the narrowing. The length of strictures vary from less than 1 cm to the full length of the urethra. The diagram below illustrates a fairly long and severe stricture, but many are shorter than this. Urethral stricture is uncommon in men and rare in women.

What causes a urethral stricture?

�    Injury or damage to the urethra can heal with scar tissue that may cause a stricture. There are various types of injury that can damage the urethra. For example: an injury may occur during medical procedures to look into the bladder via the urethra; radiotherapy treatment may damage the urethra; a "fall astride" on to the frame of a bike can cause damage.

�    Infection of the urethra is another cause. For example:         Sexually transmitted infections such as gonorrhoea or chlamydia.         Infection as a complication of long-term use of a catheter to drain the bladder.

Infection may cause inflammation in the tissues in and around the urethra. These infections usually clear with treatment but may leave some scar tissue at the site of the inflammation which can cause a stricture. Note: most urethral infections do not cause a stricture. A stricture is just one possible complication from a urethral infection.

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Congenital - some babies are born with a urethral stricture.                 Cancer - very rarely, a cancer of the urethra can be the cause of a stricture.

What are the symptoms of a urethral stricture?

There may not be any symptoms initially. However, the following symptoms may occur which are likely to worsen with time:

Reduced urine flow is the usual first symptom. Straining to pass urine is common but a complete blockage of urine flow is rare.                 Spraying of urine or a 'double stream' may occur.                 Dribbling of urine for a while after going to the toilet to pass urine.                 Frequency sometimes occurs (needing to pass urine more often than normal).                 Urine infections.                 You may have a reduced force of ejaculation.                 Mild pain on passing urine sometimes occurs.

What are the possible complications?

More pressure is needed from the bladder muscle to pass urine out through a stricture (it acts like a bottleneck). Not all urine in the bladder may be passed when you go to the toilet. Some urine may pool in the bladder. This 'residual' pool of urine is more likely to become infected. This makes you more prone to bladder, prostate and kidney infections. An abscess (ball of infection) above the stricture may also develop. This can cause further damage to the urethra and tissues below the bladder. Cancer of the urethra is a rare complication of a longstanding stricture.

Are any tests needed?

Tests to determine the flow rate of urine are usually advised if a urethral stricture is suspected. This involves passing urine and measuring how much is passed per second. The flow rate is much reduced if you have a stricture.                 A look into the urethra by a special thin telescope will be needed to assess the stricture.                 Special X-rays may be taken whilst you pass urine which can show the site and severity of a stricture.

What is the treatment for urethral stricture?

Treatment is usually advised to improve the flow rate of urine, ease symptoms and to prevent possible complications. A specialist surgeon called a urologist advises on treatment. (A urologist treats problems of the urinary tract - such as prostate, bladder, kidney and penis problems.) Treatment options include the following. The one advised by your specialist will depend on factors such as the site and length of your stricture, and also your age and general wellbeing.

Dilatation (widening) of the stricture

This is usually done by passing a thin plastic rod (boogie) into the urethra. This procedure may be done either under a local or a general anaesthetic. Rods of increasing thickness are gently inserted to gradually widen (dilate) the narrowed stricture. The aim is to stretch and widen the stricture without causing additional scarring. However, a stricture often tends gradually to narrow again after each dilation. Therefore, a repeat dilation is commonly needed every so often when symptoms recur. (Some people are given a self-lubricating catheter which they insert themselves regularly to keep a stricture dilated.)

As a rule, the shorter the stricture, the greater the chance of a cure with dilation. It is a relatively easy procedure to do and so may be tried first.

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Urethrotomy

In this procedure a thin telescope is passed into the urethra to see exactly where the stricture is. This is done during a general anaesthetic. A tiny knife is then passed down the telescope to cut along the stricture. This widens the narrowed stricture. You will get some relief of symptoms from this procedure. About one in three cases are 'cured' for good. However, like dilation, the stricture may re-form and the procedure may have to be repeated from time to time in some cases.

Generally, the shorter the stricture, the greater the chance of a cure with this procedure. For example, one research study found that when a urethrotomy was done for a stricture less than 2 cm, there was a recurrence of symptoms within 12 months in about 4 in 10 cases. However, there was a recurrence in 8 in 10 cases within 12 months when the stricture was greater than 4 cm.

Surgery

A corrective operation may be an option if the above do not work. Various techniques are used. For example, a short stricture can be cut out and the two ends of the healthy urethra stitched together.

If the stricture is longer, then one kind of operation is similar to 'skin grafting' the inside lining of the urethra. A graft is usually used from the inside of your cheek to form the new section of your urethra. Techniques continue to improve and your specialist will advise if an operation is likely to be successful, and which operation is best for the length and site of your stricture. As a rule, there is a high success rate in curing symptoms with these operations.

Antibiotics

A long course of antibiotics may be advised to prevent urine infections until a stricture has been widened.

Peyronies

Disease  

Treatment

Bent Penis Surgery & Penis Curvature Correction

Peyronie's Disease Treatment

There are two principal ways of correcting penile deformity. The first one is plication technique, a procedure that shortens the longer side of the penis that has normal length by means of tucks in the walls done by cutting out healthy tissue opposite the plaque — straighter but shorter. This is frequently referred to as the the Nesbit procedure.

In cases such as dorsal curvature, when viewed from the side, the penis will normally have a concave dorsal side with an inward curve and a convex ventral side. Plication technique simply shortens normal penile length 2-3 cm (1 inch) or more to equalize it with the already deformed dorsal side.

Dr Perovic has done this procedure only a few times in recent years on patients with a very mild degree of curvature so there was insignificant loss of length. Otherwise, he almost never performs it because how many man choose to have a drastically shorter penis? Professor Perovic has also noticed that after plication, recurrence of Peyronies disease is much more common after

http://www.peyronies-surgery.com/peyronies-treatment.htm

plication than after using his grafting procedure, the second principal way of correcting bent penis disease.

Dr Perovic's standard technique is a radical and exact grafting procedure which restores shape and length of the tunica albuginea that existed before onset of Peyronies disease. It is done by geometrical calculation of the defect in a very logical and simple mathematical way.

The Perovic Procedure is complex and difficult but removes the plaque causing your bent penis and replaces it with a healthy tissue graft

— the exact opposite of plication which cuts out healthy tissue and leaves all the diseased tissue.

About 85-90% of Dr Perovic's Peyronies disease patients do not develop erectile dysfunction after surgery. When ED occurs a penile prosthesis implant will be needed to achieve or keep an erection.

Correction procedures have two basically different results: Nesbit and plication give you a shorter penis; grafting gives you a longer, larger penis.

Perovic Peyronie's Treatment differs from almost all other bent penis correction surgery techniques in the world in that very exact measurements of the penile defects are taken and

appropriate grafting done to restore its original shape prior to Peyronie's disease. Few surgeons in the world are able to perform the Perovic Peyronie's Procedure and most of them learned it directly from Professor Perovic.

majority of other surgical centers, they do only empirical grafting and their penis surgery does not re-establish penile shape exactly. In the majority of cases, there remains residual penile curvature after bent penis correction.

Starting in 2006, Dr Perovic also started restoring penile girth in Peyronie's Disease patients. In addition to transversal grafting of the penis, the Perovic Team also began doing longitudinal grafting to widen it. Penile girth enhancement is also based on geometrical calculation of the defect and of the graft that should be inserted.

During the same period, the Sava Perovic Team also introduced the regular use of InteXen® LP™ (lyophilized [freeze-dried] porcine), the acellular collagen dermal matrix graft material of American Medical Systems (AMS) Holdings Inc of Minnesota, USA. This soft, pliable biomaterial (harvested from animals) is the best grafting material the surgical team has found so far in his more than 36 years of practice. This proprietary biomaterial facilitates tissue integration and cellular remodeling, conforms to patient anatomy, has good hardness, promotes early vascularization, improves early cellular infiltration, promotes collagen rebuilding, maintains graft integrity and has many other good characteristics and gets excellent results. It is very similar to tunica albuginea and semi-resorbable which means that after several months the surrounding tissue grows into it.

http://www.peyronies-surgery.com/peyronies-treatment.htm

26/9/2009

The United Statest Department of Agriculture (USDA) regulates the facilities where the grafts are made according to Food and Drug Administration (a federal agency of the USA Department of Health and Human Services) and ISO 9001 standards.

Surgery normally takes 2½-3 hours and sometimes up to four hours if the grafts are big.

In patients who require a penile implant, very exact grafting is performed first, as with other Peyronie's patients, completely re-establishing penile structure and shape, then penile implant surgery is done with either a semi-rigid or inflatable prosthesis.

In a small percentage of patients (10-15%) there is post-operative progression of the disease. Nobody in the world can predict or estimate who will experience progression of the disease or who will not. The great thing about penile implant surgery for Peyronie's disease patients is that it ALWAYS stops the disease. The disease is completely beaten. When post-operative progression of Peyronie's occurs, the only proper solution is immediate penile prosthesis implantation in a second surgery.

For patients who have erectile dysfunction, we immediately implant a penile prosthesis and there is no re-occurence of disease in these patients. Both semi-rigid and inflatable prostheses can be implanted during surgery. We have no special preference and none of them have any special advantage.

This procedure is very radical but safe and effective. It is always done simultaneously with mobilization, complete penile disassembly — disassembly of the penis into it's basic parts — mobilization of the neurovascular bundle. Depending on whether the curvature is ventral or lateral, we also mobilize the urethra. After grafting, all penile parts are re-assembled again.

The procedure is not popularly performed in many surgical centers because penile disassembly is a little bit risky and results in complications if the surgeons are not experienced. However, Dr Perovic and the other surgeons comprisng his Team have performed this procedure for a very long time, even in small babies, without ANY complications to date (30 April 2009).