Bariatric operations are types of surgeries that help in weight loss. The idea is to reduce the food that can be held by the stomach at a given point in time (which reduces food intake) or to reduce the absorption of both. Some modalities achieve their results through both mechanisms. Gastric bypass surgery is one of the commonly performed weight loss operations in New York.
Weight-loss surgeries should only be considered after other conservative measures such as lifestyle changes have proved to be ineffective. They are suitable for persons that are at a high risk of developing weight related complications such as high blood pressure, type 2 diabetes, heart disease, stroke and gastro-esophageal reflux disease among others. The candidate should have a body mass index of 40 or more unless they already have complications where the cutoff is lowered to 35.
Once you have qualified as a candidate for the operation, your doctor will instruct you on how you should prepare. A number of tests may have to be done as part of preoperative preparation. Restrictions may be placed on foods and drugs before and after the operation. If you are a smoker, you should stop the habit for two weeks before the operation and for the same duration afterwards.
There are several types of gastric bypass operations that exist. The most common is known as the Roux-en-Y. It can be performed through a small incision which helps to reduce the time needed for recovery. The first step in this operation is to staple the stomach together or to place a band in the vertical plane which converts the organ into a small pouch. This reduces the amount of food that can be held at any given point in time.
The second step is the fashioning of a Y-shaped portion of the intestines and attaching it onto the pouch. This means that the food can move directly from the pouch (stomach) into the Y-shaped portion and bypass another part (hence the term). The result of this is a reduction in the absorption of nutrients and calories. The rate of weight gain is markedly reduced within weeks to months.
A rare type of operation that may be performed is extensive gastric bypass. This is also known as biliopancreatic diversion. It is more complicated and takes a lot longer than the conventional bypass procedure. In the operation the lower part of the stomach is removed and the remainder is connected to the last intestinal part leaving out the first two parts. Due to the associated severe nutrient deficiency, it is not done routinely.
One needs to be familiar with the possible risks of these operations. One of the risks is the fact that the pouch can dilate over time and increase in size. The dilatation may even cause it to revert to its original size. The band may be eroded causing it to disintegrate together with the staples. This effectively reverses the procedure. In rare circumstances, stomach acids can leak and cause injury to internal organs.
Dumping syndrome refers to a number of symptoms that are experienced in some patients that have undergone these procedures. It is characterized by nausea, sweating, fainting, weakness and diarrhea. These symptoms occur after ten to thirty minutes following the consumption of food. They are most likely to be experienced when one eats sugary foods or sweets. The underlying cause is the rapid movement of food through the stomach.
Weight-loss surgeries should only be considered after other conservative measures such as lifestyle changes have proved to be ineffective. They are suitable for persons that are at a high risk of developing weight related complications such as high blood pressure, type 2 diabetes, heart disease, stroke and gastro-esophageal reflux disease among others. The candidate should have a body mass index of 40 or more unless they already have complications where the cutoff is lowered to 35.
Once you have qualified as a candidate for the operation, your doctor will instruct you on how you should prepare. A number of tests may have to be done as part of preoperative preparation. Restrictions may be placed on foods and drugs before and after the operation. If you are a smoker, you should stop the habit for two weeks before the operation and for the same duration afterwards.
There are several types of gastric bypass operations that exist. The most common is known as the Roux-en-Y. It can be performed through a small incision which helps to reduce the time needed for recovery. The first step in this operation is to staple the stomach together or to place a band in the vertical plane which converts the organ into a small pouch. This reduces the amount of food that can be held at any given point in time.
The second step is the fashioning of a Y-shaped portion of the intestines and attaching it onto the pouch. This means that the food can move directly from the pouch (stomach) into the Y-shaped portion and bypass another part (hence the term). The result of this is a reduction in the absorption of nutrients and calories. The rate of weight gain is markedly reduced within weeks to months.
A rare type of operation that may be performed is extensive gastric bypass. This is also known as biliopancreatic diversion. It is more complicated and takes a lot longer than the conventional bypass procedure. In the operation the lower part of the stomach is removed and the remainder is connected to the last intestinal part leaving out the first two parts. Due to the associated severe nutrient deficiency, it is not done routinely.
One needs to be familiar with the possible risks of these operations. One of the risks is the fact that the pouch can dilate over time and increase in size. The dilatation may even cause it to revert to its original size. The band may be eroded causing it to disintegrate together with the staples. This effectively reverses the procedure. In rare circumstances, stomach acids can leak and cause injury to internal organs.
Dumping syndrome refers to a number of symptoms that are experienced in some patients that have undergone these procedures. It is characterized by nausea, sweating, fainting, weakness and diarrhea. These symptoms occur after ten to thirty minutes following the consumption of food. They are most likely to be experienced when one eats sugary foods or sweets. The underlying cause is the rapid movement of food through the stomach.
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