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Bariatric/ Obesity Surgery

Gastric bypass & other weight loss surgeries are basically designed to change the digestive system in order to help people lose weight by limiting how much one can eat & absorption of nutrients, or both through surgical intervention. These bariatric surgeries are usually sought when diet & exercise have failed to yield results & the person continues to have serious health problems due to weight gain.

There are several types of weight loss surgeries & which are collectively known as bariatric surgery. Gastric bypass surgery is, however, one of the most common types of bariatric surgery & many surgeons normally prefer this weight loss procedure due to the fact that it has fewer complications when compared to other weight-loss surgery procedures. Nevertheless, all forms o weight-loss surgeries including gastric bypass are major surgical interventions which can pose serious types of risks & side effects. Moreover, in order to ensure the long-term success of bariatric procedures, patients must be inclined to make permanent healthy changes in diet & also get regular exercise.

Bariatric/ Obesity Surgery
  • Obesity is normally caused by too much eating & moving far too little. When people consume high amounts of energy, particularly sugars & fat & do not burn off enough through exercise & physical activity, as a result much of this surplus energy will be stored by the body as fat.
  • This is the energy value of food which is measured in units known as calories. Normal & physically active average men need about 2,500 calories of energy everyday in order to maintain a healthy weight, while normal & physically active women need about 2,000 calories of energy every day. Although this amount of calories may sound high, it is easy to reach when people include certain types of foods in their diet. Like for example, large takeaway hamburger along with French fries & milkshake along may total up to 1,500 calories, & this would just be a single meal. Another problem is that most obese people are not physically active, so that lots of these calories end up being stored within their bodies as fat.
  • This is another important factor which is closely associated with obesity. Several people have jobs which simply involve sitting at a desk for the most part of the day. Moreover, these people rely on cars to commute, rather than cycling or walking. As a part of relaxation, obese people tend to watch television, play computer games, browse the internet & rarely take to exercising. Since they are not active enough, they do not consume the energy provided by the food they eat & the extra calories are therefore stored within the body as fat. It is recommended that adults perform at least 150 minutes of moderate-intensity aerobic activity like fast walking or cycling every week. This is not required to be put in one go, but can effectively be broken down into smaller periods. Like for example, one can exercise for 30 minutes every day for about 5 days every week. People who are obese & trying to lose weight may, however, need to exercise more than the regime specified above. Nevertheless, they may start slowly & gradually build up to increase the amount of exercise they put in every week. Some people also claim that it is useless trying to lose weight because it is in the genes or runs in the family. Although there are some rare genetic conditions which cause obesity like Prader-Willi syndrome, there is no reason as to why other people cannot lose weight. Though it may be true that certain inherited genetic traits from parents, like having a large appetite, may make it difficult to lose weight, this certainly does not make it impossible to do so. Obesity in several cases has more to do with environmental factors like poor habits of eating which were learned during childhood.
  • Some cases of obesity may have underlying medical conditions which contribute to weight gain. Some of these may include the following.
    • Hypothyroidism This condition denotes an underactive thyroid gland which is not producing enough hormones.
    • Cushing ’s syndromeThis is a rare disorder which causes overproduction of steroid hormones.

However, when these conditions are properly diagnosed & treated in time, they pose lesser barriers to weight loss programs. However, certain medications including corticosteroids, medicines for diabetes & epilepsy & some medicines which are given to treat mental illnesses, including medications for schizophrenia & antidepressants, can also contribute to weight gain. Moreover, weight gain can also sometimes happen as a side effect of quitting smoking.

  • Obesity basically is a medical condition where excess fat has accumulated to an extent that it creates an adverse effect on health. Body mass index (BMI) & relative weight are reasonable estimates of fitness as measured by the percentage of body fat. However, BMI will not be able to account for wide variation in the distribution of body fat & therefore may not be able to correspond to the same degree of fatness or associated health risk in different individuals & populations. Moreover, there are other methods of fat distribution which include body fat percentage & waist-hip ratio as well. Normal weight obesity is a condition where an individual is having normal body weight but a high percentage of body fat with the same amount of health risk as obesity. The classification system below calculates the individual body mass index (BMI) & classifies the patient according to standards laid down by the World Health Organization.
    • Underweight: < 18.5 kg/sq.m
    • Normal: 5 – 24.9 kg/sq.m
    • Obese Class 1: 30 – 34.9 kg/sq.m
    • Obese Class 2: 35 – 39.9 kg/sq.m
    • Obese Class 3: > 40 kg/sq.m
    BMI however, does not provide information about composition or distribution of weight & therefore cannot distinguish between bone, muscle & fat. Therefore, these limitations can cause the following problems.
    • Overestimation of body fat among patients gaining muscle & loose fat, but without any change in weight.
    • Underestimation of body fat among older patients as lean body mass is gradually declining with age.
    • Underestimation of body fat among South Asians. Criteria for South Asian populations, therefore, are as the following.
      • Normal BMI: 0 – 22.9 kg/sq.m
      • Overweight:0 – 24.9 kg/sq.m
      • Obese: > 25.0 kg/sq.m
    Measurement of waist circumference, therefore, is a progressive measuring tool for tracking body shape change, particularly when BMI is < 35 kg/sq.m

Good Candidates for Weight Loss Surgery    

Types of Bariatric Surgery    

How Bariatric Surgeries Work?    

Cost of Bariatric Surgery across the World    

Hospitals for Bariatric Surgery    

Why Choose DygnHealthCare for Weight Loss Surgery    

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