Roux-en-Y Gastric Bypass

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Roux-en-Y gastric bypass surgery uses a combination of restriction and malabsorption. During the procedure, the surgeon creates a smaller stomach pouch. The surgeon then attaches a Y-shaped section of the small intestine directly to the pouch. This allows food to bypass a large portion of the small intestine, which absorbs calories and nutrients. Having the smaller stomach pouch causes patients to feel fuller sooner and eat less food; bypassing a portion of the small intestine means the patient’s body absorbs fewer calories.

Advantages of Roux-en-Y Gastric Bypass (RYGB):

  1. A reasonably low mortality rate (0.2% to 1%).
  2. Excellent weight loss when compared to Vertical Banded Gastronplasty (VBG).
  3. Overall improved health.
  4. Resolution or elimination of co-morbidities (e.g., type II diabetes, sleep apnea, hypertension and more).

Disadvantages of Roux-en-Y Gastric Bypass (RYGB):

  1. Disruption of the staple line can lead to leakage or serious infection.
  2. Possible malnutrition or anemia.
  3. Possible obstruction of the GI tract.
  4. Risk of a hernia.
  5. Risk of chronic vomiting and diarrhea, or dumping syndrome.
  6. Various other post-surgical complications.
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