What is a gastric bypass surgery or Roux-en-Y surgery and why is it necessary?
Gastric bypass procedures (GBP) are any of a group of similar operations used to treat morbid obesity – the severe accumulation of excess weight as fatty tissue – and the health problems (co-morbidities) it causes. Gastric bypass surgery, which is also known as stomach stapling makes the stomach smaller and allows food to bypass part of the small intestine. This makes you feel full more quickly than when your stomach was its original size, which reduces the amount of food you eat and thus the calories consumed. Bypassing part of the intestine also results in fewer calories being absorbed. This leads to weight loss, typically dramatic and markedly reduces co-morbidities. 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 consider doing gastric bypass surgery if you have been unable to achieve satisfactory and sustained weight loss by dietary effo
