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Abdominal Hernia

Abdominal Hernia - What it is

Hernia is the protrusion of abdominal contents (fat or intestines) through a weakness in the abdominal wall muscles, which present as a swelling over the abdominal wall. There are several types of hernia but the most common is the inguinal (groin) hernia. When a hernia occurs in another part of the abdominal wall other than the groin, it is called a ventral hernia. When a hernia is related to a previous surgical incisional scar, it is also called an incisional hernia.

How common is it?

Approximately 6% of all men will develop an inguinal hernia. Although a lot rarer in women, it is still the most common type of groin hernia in women. It can occur on either the right or the left side or less commonly, on both sides. Hernia can develop in all age groups: during childhood, in adults and in the elderly. Ventral and incisional hernias are less common compared to inguinal hernias. The most common type is the paraumbilical hernia where the weakness in the abdominal wall is just beside the belly button.

Abdominal Hernia - Symptoms

A hernia may become more apparent or bigger when the patient is standing or straining, and may disappear when lying down. It may be associated with discomfort, a pulling sensation, or even pain. If left untreated, a hernia may become larger and irreducible which can be further complicated by obstruction or strangulation of the bowel that is being trapped inside the hernia sac. This happens when the lumen of the bowel passing through the hernia opening (neck) becomes blocked or when the blood supply to the bowel inside the hernia is cut off by the tight narrowing at the hernia neck.

Is a hernia dangerous?

If a complicated hernia is left untreated, the patient will develop vomiting from bowel obstruction or severe pain in the hernia or abdomen from bowel strangulation. When such complications occur, the patient can become very ill and the condition may be potentially fatal.

Abdominal Hernia - How to prevent?

Abdominal Hernia - Causes and Risk Factors

Abdominal Hernia - Diagnosis

Abdominal Hernia - Treatments

If you suspect you have a hernia, or if you have an abdominal swelling, please see a doctor. Diagnosis is usually made by physical examination of the abdomen. For less obvious swelling, an ultrasound or a CT scan may help confirm the diagnosis. X-rays or a CT scan may also be performed to look for acute complications such as bowel obstruction or bowel strangulation. You may be advised surgery to prevent or treat the complications.

Surgery involves returning the abdominal contents to the abdominal cavity and reinforcing the weakened area of the abdominal wall. This is usually done with either suture repair and/or with a piece of mesh placed either under or over the weakened area. The mesh causes the body to form strong scar tissue in the region it is placed, hence strengthening the abdominal wall in that region.

The hernia repair surgery may be performed via an open approach by creating an incision over the length of the abdominal hernia, or via a laparoscopic (keyhole) approach where a camera and instruments are inserted through 5-10mm incisions into the abdominal cavity. Procedural time may vary depending on the size and complexity of your hernia. The details of hernia surgery will be discussed with you when you consult a surgeon.

Abdominal Hernia - Preparing for surgery

Abdominal Hernia - Post-surgery care

You may resume light activities as soon as your doctor advises. When the wound is no longer painful, you may start doing light exercises including brisk walking, climbing stairs, jogging as well as cycling only escalating as your physical condition allows. You may be advised to refrain from lifting heavy loads over 10kg or doing strenuous exercises early in your recovery. An abdominal binder for supporting the abdomen may also be provided to you to wear during this period.

Abdominal Hernia - Other Information

The information provided is not intended as medical advice. Terms of use. Information provided by SingHealth
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