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Hypospadias Surgery in Karachi – Dr. Shehab Baig

Hypospadias is a congenital (present at birth) problem affecting a boy’s penis.

It is a combination of three separate problems:

the hole through which urine passes (meatus) is not at the tip of the penis
the foreskin is gathered at the back of the penis with none at the front
the penis may be bent when stiff.
The position of the meatus varies. In some boys, the hole is only a small distance away from the tip of the penis, whereas in others, it is at the base of the penis, in the scrotum or behind the scrotum.

What causes hypospadias?
About one in every 300 boys has hypospadias, although this figure seems to be rising. We do not know what causes hypospadias – more research is needed to learn more about the causes. It is unlikely to have been caused by anything that happened during pregnancy.

Hypospadias can be associated with other conditions, such as inguinal hernia or undescended testicles, but the doctor will thoroughly check the child to confirm or rule out any other problems.

What are the signs and symptoms of hypospadias?
The appearance of the penis is the most obvious sign of hypospadias but also, urine will not pass through the tip of the penis. This means peeing standing up may not be possible. Later on, having an adequate erection and having sex may be difficult.

How is hypospadias diagnosed?
Hypospadias is usually diagnosed by clinical evaluation of the appearance of the penis and the symptoms reported by the parents. Most boys are assessed when a few months’ old, so that treatment can be planned for when the child is between six months and a year old. It is important that circumcision does not take place, as the foreskin is needed during the operation.

How is hypospadias treated?
Although hypospadias does not cause any immediate problems and is not life threatening, it means that peeing standing up may not be possible, and later on, having an adequate erection and having sex may be difficult.

The aim of the operation is to straighten the penis, move the meatus to the tip of the penis and to carry out a circumcision by removing the excess foreskin. By doing this, the penis will also look more normal.

Usually, the surgeon is able to make these corrections in one operation, but if the hypospadias is severe, he may decide to correct it in two stages, in separate operations.

What happens before the operation?
You will receive information about how to prepare your child for the operation in your admission letter. We will also invite you to come to a pre-admission clinic. This is an outpatient appointment where you will be able to discuss the operation with the team before coming in to hospital. Your child will also have various tests and investigations during this appointment. This avoids any delays on the day of the operation.

On the day of the operation, your child should not have anything to eat or drink before the operation, for the amount of time specified in the letter. It is important to follow these instructions, otherwise your child’s operation may need to be delayed or even cancelled.

Your child’s surgeon will visit you to explain about the operation in more detail, discuss any worries you might have and ask you to give permission for the operation, by signing a consent form. An anaesthetist will also visit you to explain about the anaesthetic and pain relief after the operation. If your child has any medical problems, such as allergies, please tell the doctors. Please also bring in any medicines your child is currently taking.

What does the operation involve?
The operation is carried out under a general anaesthetic and lasts between one and three hours, depending on the severity of the hypospadias. The surgeon uses the skin on the penis to create a tube, which extends the length of the urethra so that a new hole can be created at the tip of the penis.

Sometimes there is not enough skin on the penis for the surgeon to create the urethra. In such cases, an initial operation to add extra skin to the penis using a skin graft would be needed. After at least six months, the second operation would be carried out as above.

Are there any risks?
All surgery carries a small risk of bleeding during or after the operation. There is also a small risk of infection, but your child may be given antibiotics as a precaution.

Every anaesthetic carries a risk of complications, but this is very small. Your child’s anaesthetist is an experienced doctor who is trained to deal with any complications. After an anaesthetic some children may feel sick and vomit. They may have a headache, sore throat or feel dizzy. These side effects are usually shortlived and not severe.

For about one in 15 boys, the original hole opens up again, so that your son passes urine through two holes. This can happen at any point after the operation, and will need to be fixed in an operation. Occasionally, the new hole at the tip of the penis is too small, so your son will need another operation to make the hole larger.

What happens after the operation?
Your child will recover from the anaesthetic and operation on the ward and will be able to eat and drink soon afterwards, if he feels like it. When he comes back from the operating theatre, there will be a thin, plastic tube (catheter) draining urine from your child’s bladder and a large dressing covering the penis. These will both need to stay in place for one week.

The drainage tube can irritate the inside of the bladder, causing ‘bladder spasm’, but we will give your child some medicine to reduce this as well as pain relief medicine. Bladder spasms can show up as tummy pain or discomfort in the penis or bottom area. Constipation can make the spasms worse, so make sure that your child is eating a balanced diet and drinking plenty of fluids when you are back home. If you are at all concerned about bladder spasms, please telephone the ward. You and your son will be able to go home the day after the operation.

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