Severe obesity defined as having a body mass index (BMI) of 40 or more and/or being 100 lbs overweight if you’re a male, and 80 lbs overweight if your a woman, makes you a possible candidate for bariatric surgery, also known as gastric bypass surgery. When diet and exercise haven’t produced results adequate over time, many who meet the criterion above elect bariatric surgery with great results The procedure itself is quite helpful because it restricts food intake regardless of what variety bariatric surgery one chooses. Furthermore, once a large amount of weight is lost after the operation, weight related complications such as diabetes, sleep apnea, and hypertension are known to get better.

There are four types of operations which are commonly offered in the United States: adjustable gastric band or AGB, Roux-en-Y gastric bypass or RYGB, biliopancreatic diversion with a duodenal switch or BPD-DS, and vertical sleeve gastrectomy or VSG. To select the option that is best for you, you and your physician will carefully consider each surgery’s pros and cons along with different factors, including BMI, eating habits, health issues associated with obesity, and prior surgeries.

AGB works primarily by decreasing food intake by placing an inflatable band around the upper part of the stomach which makes a small pouch approximately the size of your thumb. The opening is controlled by a round distend inside the band that is inflated or deflated with saline solution to control ingestion according to needs of the patient.

RYGB restricts food intake through creation of a small pouch that is similar in size to the adjustable gastric band pouch. In addition, absorption of food is reduced by bypassing much of the digestive tract as food is channeled directly from the pouch into the small intestine. It’s estimated that patients lose up to 60-70% of excess weight through this operation.

BPD-DS, known as a duodenal switch, is a complex bariatric operation that involves removing a sizeable portion of the stomach to reduce meal sizes. In short, the surgery combines restriction and malabsorption to help the patient realize greater results. While the smaller stomach restricts ingestion, the re-outing of food away from much of the small intestine will prevent absorption of food. Furthermore, this operation involves re-channeling bile and other digestive liquids to impair the digestive process even further.

In removing a large portion of the stomach, a tube shaped gastric sleeve known as a vertical sleeve gastrectomy (VSG) is formed. The smaller stomach sleeve remains affixed to a short part of the duodenum, which is then joined to a lower part of the small intestine. This procedure leaves only a small portion of the duodenum available for food and the absorption of some vitamins and minerals.

The distance between the stomach and colon is much shorter following this procedure which can result in more pronounced malabsorption. Hence, BPD-DS is known to produce quite significant weight loss. Going forward though, there is greater risk of long-term difficulties because of decreased absorption of food, vitamins, and minerals. In this case, taking bariatric vitamins and supplements becomes a key component going forward after the operation.

VSG is a purely restrictive procedure in which a 2-3 ounce pouch is created through stapling and removing part of the stomach. The VSG operation restricts food intake but does not lead to lessened absorption of food which helps preserve more appropriate of nutrients in the blood stream. This reduces (but not eliminates) the need to take bariatric vitamins following surgery. Because most of the stomach is removed, the patient may experience a decrease in production of a hormone known as ghrelin. Reducing ghrelin production is known to minimize hunger over and above the restrictive part of the procedure. VSG is considered to be quite favorable for severely obese people.

Your doctor will instruct you how to adapt to your new body and eating habits. Many doctors require periodic meetings up to 12 weeks following surgery and some request check ups annually indefinitely. Mainting proper nutrition, exercise, and supplementation are all important factors to your long-term success.

Weight loss surgery has grown 10 times over the past several years as it’s shown to be an exceptionally effective way to lose alot of weight. It’s vitally important though to pay particular attention to nutritional considerations as they relate to the newly restructured digestive system. Neglecting appropriate dietary and supplementation actions will almost undoubtedly cause a bariatric surgery patient to develop a variety of difficulties. On the contrary, taking bariatric supplements and bariatric vitamins specifically designed to meet your post surgery supplemental needs will result in a healthier, fruitful life. For example, it is common for a gastric bypass surgery patient to become anemic in over time following surgery if they don’t take proper iron supplements. Vitamin A, B12, D, and calcium deficiencies will also lead to negative conditions, potentially some quite serious. Under the guidance of your doctor, maintaining a proper diet and supplementation plan will make an enormous difference in your long term success.

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