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Gastric Bypass Surgery And Weight Loss

Gastric bypass (also called bariatrictwo-thirds of their excess weight within
surgery) closes off a large portion of2 years.
the stomach, leaving only a pouch theThere are risks associated with gastric
size of an egg. Gastric bypass works bybypass surgery. People who undergo this
restricting food intake. Patients feelprocedure are at risk for: pouch
full after eating small amounts of food.stretching (stomach gets bigger
Fewer calories are eaten and weight isovertime, stretching back to its normal
lost. Gastric bypass patients typicallysize before surgery), band erosion (the
lose 70% of their excess weight, most ofband closing off part of the stomach
it in the first year after surgery.disintegrates), breakdown of staple
Gastric bypass surgery combines thelines (band and staples fall apart,
creation of a small stomach pouch toreversing procedure), leakage of stomach
restrict food intake and construction ofcontents into the abdomen (this is
bypasses of the duodenum and otherdangerous because the acid can eat away
segments of the small intestine to causeother organs), nutritional deficiencies
malabsorption (decreased ability tocausing health 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 bypasssmall intestine. Symptoms include
(biliopancreatic diversion).nausea, weakness, sweating, faintness,
Roux-en-Y gastric bypass is the mostand, occasionally, diarrhea after
common gastric bypass procedureeating, as well as the inability to eat
performed in the U.S. First, a smallsweets without becoming extremely weak.
stomach pouch is created by staplingGallstones can occur in response to
part of the stomach together or byrapid weight loss. They can be dissolved
vertical banding. This limits how muchwith medication taken after the surgery.
food you can eat. Next, a Y-shapedThe limited absorption of vitamin B12
section of the small intestine isand iron can cause anemia. The lack of
attached to the pouch to allow food tocalcium absorption can cause
bypass the duodenum as well as the firstosteoporosis and metabolic bone disease.
portion of the jejunum. This causesPeople who undergo this procedure are
reduced calorie and nutrient absorption.required to take nutritional supplements
This procedure can now be done with athat usually prevent these deficiencies.
laparoscope (a thin telescope-likeThe more extensive the bypass operation,
instrument for viewing inside thethe greater is the risk for
abdomen) in some people. This involvescomplications and nutritional
using small incisions and generally hasdeficiencies. People who undergo
a more rapid recovery time.extensive bypasses of the normal
In extensive gastric bypass ? a moredigestive process require not only close
complicated gastric bypass operation -monitoring, but also lifelong use of
the lower portion of the stomach isspecial foods and medications.
removed. The small pouch that remains isLow carbs, the bottom line: you may lose
connected directly to the final segmentweight quicker on a low-carbohydrate
of the small intestine, thus completelydiet than on a diet to cut calories.
bypassing both the duodenum and jejunum.However, don't expect to lose as much
Although this procedure successfullyweight as diet books say you will and
promotes weight loss, it is not asremember that the risks of heart
widely used because of the high risk fordisease, stroke, cancer, and
nutritional deficiencies.osteoporosis for people on low-carb
Gastric bypass operations that causediets have not been tested. There's
malabsorption and restrict food intakeplenty of research that shows the way to
produce more weight loss thango is moderation in eating a diet rich
restriction operations, which onlyin fruits, veggies, beans, whole grains,
decrease food intake. People who haveseafood, poultry, and low-fat dairy
bypass operations generally loseproducts.



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