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Gastric Bypass Surgery And Weight Loss

Gastric bypass (also called bariatric generally lose two-thirds of their excess
surgery) closes off a large portion of weight within 2 years.
the stomach, leaving only a pouch the There are risks associated with gastric
size of an egg. Gastric bypass works by bypass surgery. People who undergo this
restricting food intake. Patients feel procedure are at risk for: pouch
full after eating small amounts of food. stretching (stomach gets bigger overtime,
Fewer calories are eaten and weight is stretching back to its normal size before
lost. Gastric bypass patients typically surgery), band erosion (the band closing
lose 70% of their excess weight, most of off part of the stomach disintegrates),
it in the first year after surgery. breakdown of staple lines (band and
Gastric bypass surgery combines the staples fall apart, reversing procedure),
creation of a small stomach pouch to leakage of stomach contents into the
restrict food intake and construction of abdomen (this is dangerous because the
bypasses of the duodenum and other acid can eat away other organs),
segments of the small intestine to cause nutritional deficiencies causing health
malabsorption (decreased ability to problems.
absorb nutrients from food). Gastric bypass operations also may cause
There are two types of gastric bypass "dumping syndrome," whereby stomach
surgery: Roux-en-Y gastric bypass (RGB) contents move too rapidly through the
and extensive gastric bypass small intestine. Symptoms include nausea,
(biliopancreatic diversion). weakness, sweating, faintness, and,
Roux-en-Y gastric bypass is the most occasionally, diarrhea after eating, as
common gastric bypass procedure performed well as the inability to eat sweets
in the U.S. First, a small stomach pouch without becoming extremely weak.
is created by stapling part of the Gallstones can occur in response to rapid
stomach together or by vertical banding. weight loss. They can be dissolved with
This limits how much food you can eat. medication taken after the surgery.
Next, a Y-shaped section of the small The limited absorption of vitamin B12 and
intestine is attached to the pouch to iron can cause anemia. The lack of
allow food to bypass the duodenum as well calcium absorption can cause osteoporosis
as the first portion of the jejunum. This and metabolic bone disease. People who
causes reduced calorie and nutrient undergo this procedure are required to
absorption. This procedure can now be take nutritional supplements that usually
done with a laparoscope (a thin prevent these deficiencies. The more
telescope-like instrument for viewing extensive the bypass operation, the
inside the abdomen) in some people. This greater is the risk for complications and
involves using small incisions and nutritional deficiencies. People who
generally has a more rapid recovery time. undergo extensive bypasses of the normal
In extensive gastric bypass ? a more digestive process require not only close
complicated gastric bypass operation - monitoring, but also lifelong use of
the lower portion of the stomach is special foods and medications.
removed. The small pouch that remains is Low carbs, the bottom line: you may lose
connected directly to the final segment weight quicker on a low-carbohydrate diet
of the small intestine, thus completely than on a diet to cut calories. However,
bypassing both the duodenum and jejunum. don't expect to lose as much weight as
Although this procedure successfully diet books say you will and remember that
promotes weight loss, it is not as widely the risks of heart disease, stroke,
used because of the high risk for cancer, and osteoporosis for people on
nutritional deficiencies. low-carb diets have not been tested.
Gastric bypass operations that cause There's plenty of research that shows the
malabsorption and restrict food intake way to go is moderation in eating a diet
produce more weight loss than restriction rich in fruits, veggies, beans, whole
operations, which only decrease food grains, seafood, poultry, and low-fat
intake. People who have bypass operations dairy products.




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