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Mexicali, Baja California, México
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Surgery Risks - Riesgos Quirúrgicos
 
 
   
 
 

More Information...

 

   In normal digestion, food passes through the stomach and enters the small intestine, where most of the nutrients and calories are absorbed. It then passes into the large intestine (colon), and the remaining waste is eventually excreted.

   In a gastric bypass, the stomach is made smaller by creating a small pouch at the top of the stomach using surgical titanium staples. The smaller stomach is connected directly to the middle portion of the small intestine (jejunum), bypassing the rest of the stomach and the upper portion of the small intestine (duodenum).

   This procedure can be done by making a large incision in the abdomen (an open procedure) or by making a small incision and using small instruments and a camera to guide the surgery (laparoscopic approach). At DOCS we are trained to do it by laparoscopy.

What To Expect After Surgery

  This surgery usually involves a 3- to 5-day hospital stay. Most people can return to their normal activities within 3 weeks.

  Gastric bypass surgeries may cause dumping syndrome if eating highly refined, high-calorie foods (like sweets). This occurs when food moves too quickly through the stomach and intestines. It causes nausea, weakness, sweating, faintness, and possibly diarrhea soon after eating.

 

Why It Is Done

 

  Although guidelines vary, surgery is generally considered when your body mass index is 40 or higher or you have a life-threatening or disabling condition related to your weight. Your doctor may only consider doing gastric bypass surgery if you have not been able to lose weight with other treatments.

 

The following conditions may also be required or are at least considered:

  • You have been obese for at least 5 years.
  • You do not have an ongoing problem with alcohol.
  • You do not have untreated depression or another major psychiatric disorder.  

All surgeries have risk, and it is important for you and your health professional to discuss your treatment options to decide what is best for your situation. See surgeries risks.

How Well It Works

   Most people who have gastric bypass surgery quickly begin to lose weight and continue to lose weight for up to 12 months. One study noted that people lost about one-third of their excess weight (the weight above what is considered healthy) in 1 to 4 years. Some of the lost weight may be regained if there is no nutritional care.

   The highest impact of the gastic bypass is on the diabetic patient. Studies show that on more than 80% of these patients have a total remision for up to 8 years. The other 20% have lower the use of medication even insuline.

   Also there is a large benefit on high blood pressure and high cholesterol level improvement. There is also an ongoing study on how it could reduce the risk of breast cancer and colon cancer.

Risks

Risks common to all surgeries for weight loss include an infection in the incision, a leak from the stomach into the abdominal cavity or where the intestine is connected (resulting in an infection called peritonitis), and a blood clot in the lung (pulmonary embolism). Fewer than 3 in 200 (1.5%) people die after surgery for weight loss.

  • An iron and vitamin B12 deficiency occurs more than 30% of the time. About 50% of those with an iron deficiency develop anemia.
  • The connection between the stomach and the intestines narrows (stomal stenosis) 5% to 15% of the time, leading to nausea and vomiting after eating.
  • Ulcers develop 5% to 15% of the time.
  • The staples may pull loose.
  • Hernia may develop.
  • The bypassed stomach may enlarge, resulting in hiccups and bloating.

What To Think About

   In a gastric bypass, the part of the intestine where many minerals and vitamins are most easily absorbed is bypassed. Because of this, you may have a deficiency in iron, calcium, magnesium, or vitamins. To prevent vitamin and mineral deficiencies, you will work with a dietitian to plan meals, and you may need to take extra vitamin B12 as pills.

   There is also a possibility that you may develop gallstones after gastric bypass. Sometimes the gallbladder is removed as part of the surgery.

   Early studies of the laparoscopic approach to surgery for obesity suggest that it reduces recovery time and postsurgery complications.

 

Bypass surgery gives the best metabolic control - La cirugía de bypass ofrece el mejor control metabólico.