How to Prepare for Bariatric Surgery: Gastric sleeve vs gastric bypass


Are you considering weight-loss surgery? If so, there are a few different options available to you. Two common surgeries are gastric sleeve and gastric bypass. It’s important to understand the differences between these two procedures before deciding which is right for you. Let’s take a closer look at the specifics of each type of surgery and what they can do for you.

Gastric sleeve Surgery

Gastric sleeve surgery is also known as vertical sleeve gastrectomy or VSG. During this procedure, a surgeon removes approximately 75% of your stomach and creates a narrow tube resembling a banana shape in its place. This reduces the size of your stomach significantly, meaning that you feel fuller faster when eating. This portion also controls ghrelin, a hormone that affects hunger levels and cravings. Gastric sleeve is considered to be “restrictive” due to their reduction in stomach size, making it easier for patients to eat less food and lose weight quickly. However, since the anatomy of your digestive system remains intact after this procedure, it does not require any adjustments regarding how you absorb food or medications.

Gastric bypass Surgery

The second option for weight-loss surgery is called a difference between gastric sleeve and gastric bypass or Roux-en-Y gastric bypass (RYGB). Unlike gastric sleeve surgery, RYGB involves both restrictive and malabsorptive elements; not only does it reduce the size of your stomach by creating a small pouch, but it also reroutes the small intestine so that fewer calories are absorbed from food passing through it. As such, this surgery has more potential side effects than gastric sleeve due to its alterations in digestion; however, some people have seen greater success with this method because they absorb fewer nutrients from their meals and therefore consume fewer calories overall.


When choosing between gastric sleeve or gastric bypass surgeries, it’s important to consider all factors involved—including potential side effects—before making your decision about which route is best for you. Talk with your doctor about what each procedure entails and whether one would be more beneficial than the other given your particular situation. With the right information and support from your healthcare team, you can make an informed decision about which type of weight loss procedure will help you reach your health goals!

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