Hernias (umbilical hernia, groin hernia)

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What is hernia?

A hernia occurs when an organ inside the body sticks out through another part where it doesn't belong. For this to happen, there must be an opening or weakness in the muscle wall, tissue or membrane that normally holds the organ in place.

There are many types of hernias, but the most common ones in children involve two potentially weak points in their abdominal muscle wall.

These are called umbilical (the area around the navel or belly button) or inguinal (the place in the groin where the testicles descend to the scrotum during development) hernias.

If what's inside the abdomen presses against these weak areas, a pouch or hernia can develop there. This pouch may contain intestines or just fatty tissue. These hernias can be present at birth or may appear later in childhood. They often change size with movement or activity, such as growing bigger with crying, lifting or straining.

Hernias in children sometimes arise as a result of obesity, chronic constipation, or too much coughing or screaming; that is, anything that increases pressure inside the abdomen.

Symptoms

Symptoms and signs

Umbilical and inguinal hernias usually appear as soft lumps under the skin.

An umbilical hernia usually appears in the belly button area during the first few weeks or months of life. The hernia can become more visible throughout the course of the day, and can increase in size when the child cries or passes a stool. This occurs because crying and having a bowel movement increase the pressure in the abdomen, forcing what's inside the abdomen out through the weakness in the abdominal wall. The hernia itself is usually not painful or sensitive to touch.

An inguinal hernia will appear during infancy in the groin area of boys and girls, or far down in the scrotum of boys.

Inguinal hernias are more common in boys, can be big or small, and may occur on one or both sides of the groin. Premature baby boys are more likely to have an inguinal hernia. Usually the hernia does not bother the child and the contents of the hernia pouch slide back into place easily.

In rare cases, the intestine sticking out can become trapped (also called incarcerated). This is extremely painful and potentially life-threatening, so it needs to be surgically repaired immediately. 

Complications

Complications

Most umbilical hernias go away in the first few years of life without treatment.

Inguinal hernias are unlikely to go away and can become trapped or incarcerated.

An incarcerated hernia occurs when the abdominal contents that are inside the hernia pouch cannot slide back into place.

Whereas most hernias do not produce symptoms, incarcerated hernias become extremely painful, hard, more swollen, and blue or red in color and the child may vomit.

This is a serious condition because the intestine can become strangulated, meaning that the blood supply is cut off to that part of the intestines trapped within the hernia. When this happens, the intestine can be injured or even die.

A strangulated hernia is an emergency; immediate surgery is required to prevent permanent injury to the intestines.

Home treatment

Treatment / What you should do

A hernia should always be evaluated by a doctor.

An umbilical hernia will almost always disappear on its own over time without special treatment.

If the hernia does not go away, is very large, or causes symptoms, it may be necessary to close up the abdominal weakness with an operation.

Because inguinal hernias can become incarcerated or strangulated, they usually are repaired with surgery.

Prevention

It is impossible to prevent hernias in children.

However, you can decrease the risk of developing a hernia by treating medical problems that can lead to hernias.

Preventing excessive weight gain in your child, treating your child if she is constipated, and having your child checked if she has a chronic cough are a few things you can do to lower the risk of developing hernias.

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