Lap Band Surgery (Gastric Banding)
Obesity is a growing concern. By medical standards, obesity is defined as having a body mass index (BMI) of over 30 kg/m2. While lifestyle modification remains the cornerstone for treatment, surgical options are becoming more popular. One of the surgical treatments for obesity is called gastric banding, commonly known as lap-band surgery. Some of the specifics of gastric banding will be addressed in this article.
What is gastric banding?
Laparoscopic adjustable gastric banding (LAGB) is a surgical procedure that involves the placement of an adjustable belt around the upper portion of the stomach using a laparascope. The band is made of silicone and can be tightened by adding saline to fill the band (like blowing air into a doughnut-shaped balloon). The band is connected to a port that is placed under the skin of the abdomen. This port is used to introduce or remove saline into the band.
LAGB ultimately restricts the size of the stomach and the amount of food it can hold. It also slows the passage of food to the intestine. By doing so, signals to the brain from the gut allow for a sensation of fullness and satiety with the consumption of less food. This signal is sent from a small pouch created by the band in the upper stomach. When the pouch fills, the same signal is sent to the brain that occurred previously when the entire stomach filled.
What is a lap band?
The LAP BAND® is a specific device brand name and is made by Allergan Inc. The term is often used in the lay community interchangeable with gastric banding (similar to the way we interchange the brand name Kleenex for facial tissue). There are different sizes and models of the LAP BAND. There are also other companies that make gastric banding devices such as the REALIZE® adjustable gastric band (by Ethicon), the MIDBAND®, and the Heliogast® gastric band (which are not available in the US).
Who are candidates for the lap band system?
Generally, candidates for LAGB have a body mass index over 40 kg/m2, or are more than 45 kilograms over their ideal body weight.
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Shared from: medicinenet.com