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Hernia is an opening formed by the lining of the abdominal cavity. Abdominal wall hernia occurs when the contents of the intestine bulges out of the abdominal wall. Hernias are developed at birth (congenital) or may appear later (acquired).
Hernias may be present at birth and occurs when the lining around the abdominal organs, fails to close before birth. Hernia may also result if the connective tissue degenerates in the abdominal wall due to which, pressure builds up in the abdominal wall leading to a bulge in the abdomen. Some of the other factors that worsen hernia are chronic cough, obesity, constipation, pregnancy, poor nutrition, smoking and stretching or straining abdominal muscles while lifting heavy objects.
Surgery is the only treatment and is usually performed for hernias that enlarge in size due to increased intra-abdominal pressure causing intestinal obstruction and restricted blood supply which may lead to death of bowel tissues.
A hernia repair is usually performed as an outpatient surgery with no overnight stay in the hospital. The operation may be performed as an “open” or “keyhole” (laparoscopic) surgery. Your surgeon will decide which procedure is suitable for the repair and performs with your consent.
In open hernia repair, a large incision is made on the groin (abdomen) and the bulge is pushed back into place. Laparoscopic hernia surgery is a surgical procedure in which a laparoscope (telescope) is inserted into the abdomen through a small incision. The laparoscope is a small fiber-optic viewing instrument made up of a tiny lens, light source and video camera.
- Hernioplasty: This type of procedure is done if the abdominal wall is completely ruptured and damaged. A synthetic mesh is used which is stitched along with the abdominal wall to provide support.
- Herniorrhaphy: This method is done if the abdominal wall is torn and causes leakage of the intestinal contents. Your surgeon opens the wall and pushes the content back into the abdomen and the torn tissue is stitched.
Laparoscopic or Keyhole surgery
This surgery is performed under general anaesthesia and several small incisions are made around the abdomen. Through one of the incision, a laparoscope a small, fibre-optic tube with a tiny camera is inserted. Through the other incisions, surgical instruments are inserted and hernioplasty and herniorrhaphy is performed.
Carbon dioxide (CO2) is put into the abdomen through a special needle that is inserted just below the navel. This gas helps to separate the organs inside the abdominal cavity, making it easier for the physician to see the reproductive organs during laparoscopy. The gas is evacuated at the end of the procedure.
As common with other surgeries, hernia surgery is also associated with certain complications such as local discomfort and stiffness, infection, damage to nerves and blood vessels, bruising, blood clots, wound irritation and urinary retention.
Advantages over an open surgery
- Less post-operative pain with smaller incisions and faster recovery
- No further incisions required for patients with hernias in both groins (bilateral hernia)
- Ideal method for patients with recurrent hernias after previous surgery
- Early discharge from hospital
- Earlier return to work