Now the laparoscope also allows physicians to perform minimally invasive surgery with just a small incision in the abdomen. This technology, known as laparoscopic assisted surgery, enables the minimally invasive removal of the colon, the kidney (for living donors in kidney transplants), and weight reducing procedures such as gastric bypass and vertical banding gastroplasty (VBG).

Finally, large operations such as liver and pancreatic resections may begin with laparoscopy to exclude the presence of additional tumors (metastatic disease) that would preclude curative resection. For complex laparoscopic operations, patients should consult with their primary health care provider to find a center of excellence in the specific operation.

How the Test is Performed

The procedure is usually done in the hospital, under general anesthesia, and after informed consent has been obtained. A catheter (a small flexible tube) is inserted through the urethra into the bladder. An additional tube may be passed through the nostril and into the stomach to remove intestinal contents (N-G tube). The skin of the abdomen is cleansed, and sterile drapes are applied.

A small incision is made above or below the navel to allow the insertion of a trocar (essentially a tube extending from inside the abdomen to the outside), which allows passage of a video camera. Prior to insertion of the trocar, a needle is inserted into the incision and carbon dioxide gas is injected to elevate the abdominal wall, and thereby create a larger space to work in. This allows for easier viewing and manipulation of the organs.

After an adequate amount of gas is instilled, the laparoscope is inserted, and the organs of the pelvis and abdomen are examined. Additional small incisions are made for instruments that allow the surgeon to move the abdominal organs, cut tissue, suture, and staple structures to safely and effectively perform the necessary procedure.

Following the examination, the laparoscope is then removed, the incisions are closed with sutures, and bandages are applied. Depending upon the operation performed, a drain may be left through one of the incisions to allow for removal of accumulated fluid.

How to Prepare for the Test

You cannot have any food or fluid for 8 hours before the test. You must sign a consent form.

Infants and children:
The physical and psychological preparation you can provide for this or any test or procedure depends on your child's age, interests, previous experiences, and level of trust. For specific information regarding how you can prepare your child, see the following topics as they correspond to your child's age:

• Infant test or procedure preparation (birth to 1 year)
• Toddler test or procedure preparation (1 to 3 years)
• Preschooler test or procedure preparation (3 to 6 years)
• Schoolage test or procedure preparation (6 to 12 years)
• Adolescent test or procedure preparation (12 to 18 years)

How the Test will Feel

Under general anesthesia, no pain will be felt during the procedure, however the incisions site may throb and be slightly painful afterward. A pain reliever may be given by your physician.

With local anesthesia, you may feel a prick and a burning sensation when the local anesthetic is given. Pain may occur at the incision site. Afterward, the incisions may throb for several hours and be slightly painful. A pain reliever will be administered by your physician.

Additionally, you may experience shoulder pain for a few days, since the gas can irritate the diaphragm, which shares some of the same nerves as the shoulder. Finally, you may experience an increased urge to urinate since the gas can put pressure on the bladder.

The specific procedure performed may preclude the ability to drink liquids or eat solid foods, until it is considered safe to do so by your health care provider.

Why the Test is Performed

The indications for operation are the same as the indications for an open (laparotomy) procedure.

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