Bariatric Surgery

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Restriction vs. Malabsorption

There are several bariatric surgery procedures, but the two general ways in which they work are restriction and malabsorption:

  • Restriction limits the amount of food you can eat. Whether it is a gastric banding device around the stomach or a surgically-created, smaller stomach pouch, restriction ensures that the patient feels satisfied with less food.
  • Malabsorption limits the number of calories and nutrients your body can absorb. During malabsorptive procedures, the surgeon reroutes the small intestine so that fewer calories and nutrients are absorbed.

Commonly performed bariatric procedures at Evan include:

  • Gastric bypass
  • Gastric banding

Only you and your surgeon can decide if surgery is right for you. Read about the benefits of bariatric surgery.


To lose weight, your body must burn more calories than you eat and/or drink. A diet plan should be based on your health and lifestyle needs, and would include reducing the number of calories you take in. If you are considering this option, speak with your primary care physician about nutritional guidelines, and keep in mind that many bariatric programs also offer medically supervised weight loss programs.


Frequent and regular physical activity is beneficial to most anyone—whether they are pre- or postsurgery. Generally, an exercise program includes cardiovascular exercise such as walking, swimming, or cycling, strength training using resistance bands, weights, or machines, and stretching. Speak with your primary care physician before beginning any physical activity.

Prescription Weight Loss Medications

Prescription weight loss medications may be considered a supplement to diet and exercise. Only a healthcare professional can prescribe these weight loss medications.