Bariatric or weight loss surgery comprises of procedures like gastric bypass, gastric band etc. that are performed on people suffering with obesity.  The aim of the surgery for the patient is to achieve significant weight loss by opting for the most suitable procedure.

Bariatric surgical procedures aims at weight loss by restricting the holding capacity of the stomach which causes malabsorption of nutrients or the procedure can be a combination of both gastric restriction and malabsorption. Bariatric procedures also often cause hormonal changes which suppress the feeling of hunger bringing about a feeling of fullness.

Some techniques of Bariatric surgery performed at Wockhardt Hospital which is a premium institute for bariatric surgery as per international standards.

Most weight loss surgeries today are performed using minimally invasive techniques laparoscopic surgery.

The various procedures lead to weight loss is:

1) Reduction in the size of the stomach through placement of Gastric Band Surgery or

Gastric Bypass this is often called the ‘gold standard’ of weight loss surgery.

Some  Advantages and Disadvantages:


  • Brings about a long-term weight loss (60 to 80 percent excess weight loss)
  • Restricts the amount of food that can be consumed
  • May lead to conditions that increase energy consumption
  • Produces certain changes in gut hormones that reduce appetite and enhance satiety
  • >50% excess weight loss


  • potentially could result in greater complication rates
  • Can lead to long-term vitamin/mineral deficiencies particularly deficits in vitamin B12, iron, calcium, and folate
  • Generally has a longer hospital stay
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