Medically reviewed by Qin Rao, MD Gastric sleeve and gastric bypass are two types of weight loss surgery. They are effective for weight loss and for managing metabolic disorders such as diabetes ...

Major intestinal surgery, including stomach reduction for obesity, may boost the chances of subsequent vitamin A deficiency, suggests a small study published ahead of print in the British Journal ...

It’s important for people who have had gastric sleeve surgery to closely monitor their nutrient consumption, particularly iron. Iron deficiency is a prevalent problem in these patients, often ...

Experts explain what signs to look for when it comes to vitamin B12 deficiency, plus how to replenish your stores.

We are not aware of any other cases of this particular problem, but it is important for any woman who has had this form of gastric bypass surgery to be checked for vitamin deficiency--and have it ...

A barium upper gastrointerstinal swallow showed a good sleeve caliber, no obstruction and no delayed gastric emptying (Figure 1).

Long-term weight loss outcomes Research indicates gastric sleeve surgery produces average weight loss of 25 to 30% of total body weight within the first one to two years after surgery.

Few studies have investigated the effects of bariatric surgery on vitamin status in the long term. We examined changes in vitamin status up to 5 years after Roux-en-Y gastric bypass surgery. Using ...