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BARIATRIC PROCEDURES

 

Gastric Bypass Surgery

Gastric Bypass Benefits

Gastric Bypass Risks

Laparoscopic Gastric Banding

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Vertical Sleeve Gastrectomy

Sleeve Benefits & Risks

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PATIENT INFORMATION

 

Bariatric Surgery and Diabetes

Childhood Obesity

Obesity Health Risks

Obesity and Cancer

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Preparation Required

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Post Operative Food Issues

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Post Operative Food Issues



The following problems related to food may be encountered after surgery

Managing Liquids

  • Fluids are needed to replace normal water loss and to prevent dehydration. You should aim to drink at least 2 litres of water every day.

  • Avoid liquids with meals, saving room for solid foods.

  • When drinking liquids, sip them slowly. If liquids are gulped too quickly, abdominal cramping, discomfort, and/or vomiting may occur.

  • Avoid carbonated drinks and drinking from a straw. Doing this can help you to avoid excess gas and pressure.

Nausea, vomiting, bloating and/or heartburn
Nausea, vomiting, bloating and/or heartburn can occur from any of the following:
  • Eating and drinking too quickly

  • Not chewing food well enough

  • Drinking cold fluids

  • Eating too much

  • Eating rich or sweet foods, fried, or high-fat foods
  • Eating gas-producing foods or drinking carbonated beverages

Dumping Syndrome (applicable to Gastric Bypass Surgery)

Dumping syndrome can be a feeling of abdominal fullness, weakness, warmth, rapid pulse, cold sweats, nausea, possible vomiting, and possible diarrhea. This happens whenever foods and drinks that are too high in sugar are consumed. To avoid dumping syndrome, avoid concentrated sweets (ice-cream, milkshakes, sweets, cakes etc.). You may only be able to tolerate a very small amount of these items at a time, if any at all.

Blocking of the Stoma

The new opening created by the surgery is smaller than the original opening that released food from the stomach into the intestine. The new opening may become blocked when food has not been thoroughly chewed, which can result in abdominal pain or vomiting.

To prevent blockage from occurring:
  • Avoid eating high fibre foods, such as raw fruit and vegetables, for the first 6 weeks after surgery. After the 6 weeks make sure you chew high fibre foods thoroughly.

  • Chew all foods to the consistency of mush before swallowing.

  • Use chewable or liquid multivitamins.
Overeating

The purpose of gastric bypass and sleeve gastrectomy surgery is to create a smaller stomach that is unable to hold the large volumes of food it had previously held. Constant overeating can stretch the stomach pouch. Meals should be small. The more solid the food, the less you will be able to eat.

To prevent stretching the pouch:
  • Eat only three small meals each day to prevent overfilling of your stomach.

  • Eat slowly so that the nerve receptors in your stomach area can relay the message to your brain that your stomach is full. It takes approximately 15-20 minutes for the message of fullness to reach the brain. Take time between bites of food and stop eating as soon as fullness is experienced.

  • Recognise when you are full, which can feel like pain or pressure in the centre just below the rib cage, nausea, or a pain in your shoulder or upper chest. The next step is to stop eating when you feel full.

  • Constant nibbling, grazing or snacking may not stretch your stomach pouch, but it will make it difficult to meet your target weight.

Undernutrition
Total food consumption is reduced after surgery, and therefore, intake may be nutritionally inadequate.
To compensate for reduced nutrient intake:
  • Consume a varied diet. Include foods such as lean meats, low fat dairy, fruits and vegetables, and high fibre breads and cereals. Avoid foods such as carbonated drinks, crisps, pastries, sweets and fried foods.

  • Take recommended vitamins (multivitamin, calcium, iron and B12 supplements) every day.
Food Intolerance
Food intolerance varies widely and one individual may tolerate a food that disagrees with another person. Therefore, it is important to try a variety of foods. Each individual must try new foods carefully to test his or her reactions after surgery.

The following foods may be difficult to eat, especially for the first few months:
  • Tough meats – dry, gristly meats may be difficult to digest

  • Bread – fresh, doughy bread can form a ball and stick at the opening from the stomach.

  • Pasta – pasta may form a paste and be more difficult to pass.

 
 
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