Weight Loss Surgery

Minimally Invasive Weight Loss Surgery

at World's Best Hospitals in India

Gastric Banding Weight Loss Surgery, Laparoscopic Obesity Surgery India

This procedure is one of the most popular techniques of modern-day medicine. Weightloss surgery not only reduces the patients’ weight but also decreases the chance of obesity-related health issues. This procedure is done using the laparoscopic method to minimize the scar and to enable a speedy recovery . Bariatric surgery, also referred to as weight loss surgery, is the procedure done for those people who are severely obese. In this weight loss procedure, the size of the stomach is reduced by implanting gastric banding medical device. This can also be done by re-routing and resecting the small intestines to a small stomach pouch and the process is termed as gastric bypass surgery. The other way could be a removal of the stomach (Biliopancreatic diversion with duodenal switch or sleeve gastrectomy).

Body Mass Index (BMI)

Body Mass Index expresses the ratio between a person’s body weight and height.

BMI= Weight in Kilograms/(Height in metres)2
  • Classification
  • Overweight = 25-29.9 BMI
  • Obesity 1 = 30-34.9 BMI
  • Obesity2 = 35-39.9 BMI
  • Morbidly Obese > 40 BMI

Obesity is a chronic disease since its symptoms develop gradually. Obesity may also cause joint pain, back aches, breathlessness and skin problems. In severe conditions morbid obesity may also lead to life threatening conditions such as type 2 diabetes, high blood pressure, high cholesterol levels ,sleep apnoea and cancer.

Who should consider Weight Loss Surgery?

The candidates should possess these following qualifications so that they can be considered for this weight-loss surgery

A candidate should have a BMI (Body Mass Index) in between 35-40. The candidate should also possess an obesity-related condition of diabetes mellitus, severe sleep apnea, cardiovascular disease and hypertension.

A candidate should have a BMI (Body Mass Index) of 40 or more. The BMI in between 20-25 is considered as normal. The calculation of BMI is done by dividing the weight of a person in kilograms by height in meters squared.


Types of Weight Loss Surgery

Adjustable Gastric Band

The Adjustable Gastric Band – often called the band – involves an inflatable band that is placed around the upper portion of the stomach, creating a small stomach pouch above the band, and the rest of the stomach below the band.

The Procedure

The common explanation of how this device works is that with the smaller stomach pouch, eating just a small amount of food will satisfy hunger and promote the feeling of fullness. The feeling of fullness depends upon the size of the opening between the pouch and the remainder of the stomach created by the gastric band. The size of the stomach opening can be adjusted by filling the band with sterile saline, which is injected through a port placed under the skin. Reducing the size of the opening is done gradually over time with repeated adjustments or "fills."

The notion that the band is a restrictive procedure (works by restricting how much food can be consumed per meal and by restricting the emptying of the food through the band) has been challenged by studies that show the food passes rather quickly through the band, and that absence of hunger or feeling of being satisfied was not related to food remaining in the pouch above the band. What is known is that there is no malabsorption; the food is digested and absorbed as it would be normally. The clinical impact of the band seems to be that it reduces hunger, which helps the patients to decrease the amount of calories that are consumed.

Advantages
  • Reduces the amount of food the stomach can hold
  • Induces excess weight loss of approximately 40–50 percent (Results may vary from patient to patient depending on their medical condition)
  • Involves no cutting of the stomach or rerouting of the intestines
  • Requires a shorter hospital stay, usually less than 24 hours, with some centers discharging the patient the same day as surgery
  • Is reversible and adjustable
  • Has the lowest rate of early postoperative complications and mortality among the approved bariatric procedures
  • Has the lowest risk for vitamin/mineral deficiencies
Sleeve Gastrectomy

The Laparoscopic Sleeve Gastrectomy – often called the sleeve – is performed by removing approximately 80 percent of the stomach. The remaining stomach is a tubular pouch that resembles a banana.

The Procedure

This procedure works by several mechanisms. First, the new stomach pouch holds a considerably smaller volume than the normal stomach and helps to significantly reduce the amount of food (and thus calories) that can be consumed. The greater impact, however, seems to be the effect the surgery has on gut hormones that impact a number of factors including hunger, satiety, and blood sugar control. Short term studies show that the sleeve is as effective as the roux-en-Y gastric bypass in terms of weight loss and improvement or remission of diabetes. There is also evidence that suggest the sleeve, similar to the gastric bypass, is effective in improving type 2 diabetes independent of the weight loss. The complication rates of the sleeve fall between those of the adjustable gastric band and the roux-en-y gastric bypass.

Advantages
  • Restricts the amount of food the stomach can hold
  • Induces rapid and significant weight loss that comparative studies find similar to that of the Roux-en-Y gastric bypass. Weight loss of >50% for 3-5+ year data, and weight loss comparable to that of the bypass with maintenance of >50%
  • Requires no foreign objects (AGB), and no bypass or re-routing of the food stream (RYGB)
  • Involves a relatively short hospital stay of approximately 2 days
  • Causes favorable changes in gut hormones that suppress hunger, reduce appetite and improve satiety
Gastric Bypass

The Roux-en-Y Gastric Bypass – often called gastric bypass – is considered the ‘gold standard’ of weight loss surgery and is the most commonly performed bariatric procedure worldwide.

The Procedure

There are two components to the procedure. First, a small stomach pouch, approximately one ounce or 30 milliliters in volume, is created by dividing the top of the stomach from the rest of the stomach. Next, the first portion of the small intestine is divided, and the bottom end of the divided small intestine is brought up and connected to the newly created small stomach pouch. The procedure is completed by connecting the top portion of the divided small intestine to the small intestine further down so that the stomach acids and digestive enzymes from the bypassed stomach and first portion of small intestine will eventually mix with the food. The gastric bypass works by several mechanisms.

First, similar to most bariatric procedures, the newly created stomach pouch is considerably smaller and facilitates significantly smaller meals, which translates into less calories consumed. Additionally, because there is less digestion of food by the smaller stomach pouch, and there is a segment of small intestine that would normally absorb calories as well as nutrients that no longer has food going through it, there is probably to some degree less absorption of calories and nutrients. Most importantly, the rerouting of the food stream produces changes in gut hormones that promote satiety, suppress hunger, and reverse one of the primary mechanisms by which obesity induces type 2 diabetes.

Advantages
  • Produces significant 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 expenditure
  • Produces favorable changes in gut hormones that reduce appetite and enhance satiety
  • Typical maintenance of >50% excess weight loss

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