Weight Loss Surgery
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This surgery is also called Bariatric surgery, Bypass surgery, Gastric banding and Obesity surgery.
If you’re very overweight and can’t lose pounds with a healthy diet and exercise, surgery might be an option for you.
The surgery is usually for men who are at least 100 pounds overweight and women who are at least 80 pounds overweight. If you are somewhat less overweight, surgery still might be an option if you also have diabetes, heart disease or sleep apnea.
Bariatric surgeons perform operations in which they remove large segments of a patient’s stomach and intestine. After the surgery, doctors noticed that in many cases patients were unable to maintain their pre-surgical weight.
Over the last decade these procedures have been continually refined in order to improve results and minimize risks.
Many people who have the surgery lose weight quickly. If you follow diet and exercise recommendations, you can keep most of the weight off. However, the surgery has risks and complications including infections, hernias and blood clots.
Types of Bariatric Surgery
The American Society for Bariatric Surgery advises three basic approaches that weight loss surgery takes to achieve change:
Restrictive procedures make the stomach smaller to limit the amount of food intake.
Malabsorptive techniques reduce the amount of intestine that comes in contact with food so that the body absorbs fewer calories.
Combination operations take advantage of both restriction and malabsorption.
The theory is simple. When you feel full, you will no longer feel hungry. In result you will eat less. Restrictive weight loss surgery works by decreasing the amount of food consumed at one time. It does not interfere with the normal digestion of food.
In a restrictive weight loss method, the surgeon ,Using a band ,creates a smaller upper stomach pouch. The pouch, with a capacity of approx. 1/2 to 1 oz. (15 to 30 ml), attaches to the rest of the stomach through an opening known as a “stoma.”
In a cooperative patient, the reduced stomach capacity can result in consistent weight loss.
With the research that has been done, people have reported great success with this type of surgery.
After surgery, patients must follow to the strict specific dietary guidelines and restrictions prescribed by the surgen.
When the time comes to resume eating “regular” food, the patient must learn to adapt to a new way of eating. At each meal, they are restricted to consuming approximately 1/2 to a full cup of food before feeling uncomfortably full. Patients who see the best results from a restrictive weight loss procedure are those who learn to eat slowly, eat less, and avoid drinking too many fluids, particularly carbonated beverages.
If the patient fails to follow these guidelines, they can stretch the stomach pouch and/or the stoma outlet and defeat the purpose of the surgery.
The effectiveness of a restrictive procedure is reduced by constant snacking or by drinking high-calorie, high-fat liquids.
Malabsorptive Procedures that Alter Digestion
It can be said that some of the restrictive approaches discussed above have not always achieved the excess weight loss that surgeons and patients expected. For this reason, weight loss procedures that alter digestion, known as malabsorptive procedures, were developed to work in combination with restrictive approaches.
This method involves a bypass of the small intestine. This procedure alter digestion and causing the food to be poorly digested and incompletely absorbed so that it is eliminated in the stool .
Malabsorptive or Malabsorptive/restrictive procedures have resulted in an overall increase in the loss of excess weight. The risk of complications and side effects generally increases with the lengthening of the small intestine bypass.
There are however more side effects and risks that are associated with this procedure, especially when it is used in conjunction with restrictive procedures.Your doctor will discuss all of the risks that are involved prior to the surgery.
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