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Roux-en-Y Gastric Bypass (RGB) Weight Loss Surgery Operation - Obesity Treatment

Roux-en-Y Gastric Bypass (RGB)
Information About Roux-en-Y Gastric Bypass
Weight Loss Surgery Information

Calories Information - Calories In Food
Exercise Calorie Burning Advice - Exercise Equipment to Burn Calories

Roux-en-Y Gastric Bypass (RGB) Weight Loss Surgery Operation

Roux-en-Y Gastric Bypass (RGB) - Weight Loss Surgery Operation

The Roux-en-Y gastric bypass operation has been shown to be the best surgical procedure for the treatment of severe obesity. (See Fig 1.) Roux-en-Y gastric bypass is called a "restrictive" operation because the severely reduced size of the stomach significantly restricts the patient's ability to eat large meals. This facilitates many patients to lose over 75 percent of their excess body weight over the first 18-24 months after Roux-en-Y surgery.

Figure 1. Roux-en-Y gastric bypass (RGB)

During Roux-en-Y gastric bypass surgery, a small stomach pouch is first created to restrict food intake. The capacity of the stomach is reduced to only 30cc (equivalent to two tablespoons) by stapling across the stomach with a special metal device. Thus, approximately 90 percent of the stomach is below the staple line and is therefore isolated from the passage of food through the stomach.

Next, a Y-shaped section of the small intestine (typically 50-100 cm) is attached to the pouch to allow food to bypass the lower stomach, the duodenum (the first segment of the small intestine), and the first portion of the jejunum (the second segment of the small intestine). This bypass reduces the amount of calories and nutrients the body absorbs.

Advantages of Roux-en-Y Gastric Bypass (RGB)

- Greatly controls food intake
- Reversible in an emergency

Disadvantages of Roux-en-Y Gastric Bypass (RGB)

- Staple line failure
- Ulcers
- Narrowing/blockage of the stoma
- Vomiting if food is not properly chewed or if food is eaten to quickly

National Institute of Diabetes & Digestive & Kidney Diseases


Weight Loss Surgery Information

How Weight Loss Surgery Works - Morbid Obesity - Morbid Obesity Surgery
Treatment of Obesity - Bariatric Surgery Health Risks - Abdominoplasty
Gastric Banding - Gastric Bypass - Mini Gastric Bypass - Gastroplasty
Laparoscopic Gastric Bypass - Roux En Y Gastric Bypass - Lap Band Surgery
Lap Band - Lap Band FAQs - Biliopancreatic Diversion - Duodenal Switch
Liposuction - Liposuction Surgery - Superwet Liposuction - Tumescent
Ultrasonic Liposuction - Tummy Tuck - Mini Tummy Tuck - Stomach Stapling

Dietary Calories In Main Food Groups

Calories in Alcohol - Calories in Bacon/Pork - Calories in Bagels - Calories in Beans - Calories in Beef - Calories in Beer - Calories in Bread - Calories in Breakfast Bars - Calories in Breakfast Cereal - Calories in Butter - Calories in Cakes - Calories in Candy - Calories in Cheese - Calories in Chicken - Calories in Coffee/Creamers - Calories in Condiments - Calories in Cookies - Calories in Croissants - Calories in Deli Meat - Calories in Donuts - Calories in Dressings - Calories in Eggs - Calories in Fast Food - Calories in Fats/Cooking Oils - Calories in Fish/Seafood - Calories in Frozen Entrees - Calories in Fruit - Calories in Game Meat - Calories in Herbs/Spices - Calories in Ice Cream - Calories in Jelly/Jam - Calories in Juice - Calories in Lamb - Calories in Mexican Food - Calories in Muffins - Calories in Milk/Yogurt - Calories in Noodles - Calories in Nuts - Calories in Pancakes - Calories in Pasta - Calories in Pies - Calories in Pizza - Calories in Popcorn - Calories in Potatoes - Calories in Pretzels - Calories in Rice - Calories in Sauces - Calories in Snacks - Calories in Soft Drinks - Calories in Soup - Calories in Soy Food - Calories in Sugar - Calories in Toppings - Calories in Turkey - Calories in Veal - Calories in Vegetables - Calories in Whole Grains - Calories in Wine - Energy in Food - Nutrition in Food

Information About Energy Needs and Calorie Deficit to Lose Weight

Definition of Calorie - Definition of Kilocalories (kcals) - Calorie Needs to Maintain Weight - Calorie Needs for Teens - Calorie Intake per Day - Calorie Intake and Expenditure - Energy Burned by Exercise - Calories in Pound of Body Fat - Weight Loss Diets - Calorie Controlled Weight Loss Diet - Low Calorie Diets - Low Calorie Recipes - Calorie-Counting to Lose Weight - Basal Metabolic Rate - Calories Needed to Lose Weight - How to Reduce Calories - How to Reduce Fat Calories - Weight Loss and Calories

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