Surgery – Weight Loss

Overview

The first step to achieving your weight-loss goals is to learn about obesity, weight-loss and bariatric surgeries. In this section, you will learn why weight-loss is important, why individuals choose weight-loss surgery, and how a weight-loss surgeon decides upon on the type of surgical procedure.

The extensive information published by the American Society of Metabolic and Bariatric Surgery is a great place to start.

The management of obesity in Australia is a national priority. Nearly 2 in 3 Australian adults and 1 in 4 Australian children are overweight or obese. Obesity is defined as a Body Mass Index (BMI) of 30+. It is based on weight, height, waist-measurement and gender. The more you weigh, the higher your BMI. You can calculate your BMI here.
Individuals with a high BMI have a lower quality of life. Excess weight increases the risk for cardiovascular disease, type 2 Diabetes, musculoskeletal conditions and cancers. Both moderate and severe obesity trims lifespans by years. In fact, morbid obesity (BMI 40+) cuts life spans by 5–20 years. Importantly, patients often feel better after getting their weight under control and resolving comorbidities.

Aged over 18 years.

BMI>40 without or >35 with obesity related health conditions.

Metabolic syndrome conditions (BMI>30) including high blood pressure, high triglycerides (lipids) and diabetes/insulin resistance.

Gastric Band

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Gastric Sleeve

This is a restrictive procedure. The stomach is reduced in size from a sac shape to a tube that holds around 150ml. It involves removal of over ¾ of the stomach, which is divided with a special stapling device. It used to be the first stage of the BPD bypass procedure but has been performed as a stand alone procedure for over 5 years. The operation significantly reduces hunger by reducing levels of the hormone “Ghrelin” which is predominantly produced in the upper stomach and is removed during this procedure.

  • Keyhole surgery usually takes just over 1 hour and requires 3-4 days in hospital
  • No adjustments required
  • No foreign material to get infected or leak
  • No fixed obstruction for food to get stuck
  • Normal dietary intake by the majority of patients
  • No malabsorption
  • Significantly safer than Bypass surgery
  • More effective and better tolerated than Gastric Banding
  • Reliable – provided you follow a sensible diet and exercise regularly then good results are expected
  • Low risk of requiring further surgery
  • Not reversible (however most people considering weight loss surgery are after a permanent solution)
  • Risk of leakage from the staple line (<1%) in the first 2 weeks is a major potential complication, which may require further surgery and intensive care
  • Those who want to not only feel full earlier, as with the procedures, but quiet their food cravings as well thanks to hormonal changes triggered by the surgery
  • Calorie counters: The procedure modifies the digestive system so it won’t process as many calories as before
  • 60-70% average excess weight loss (EWL) at 1 year

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Gastric Bypass

This is a restrictive procedure. The stomach is reduced in size from a sac shape to a tube that holds around 150ml. It involves removal of over ¾ of the stomach, which is divided with a special stapling device. It used to be the first stage of the BPD bypass procedure but has been performed as a stand alone procedure for over 5 years. The operation significantly reduces hunger by reducing levels of the hormone “Ghrelin” which is predominantly produced in the upper stomach and is removed during this procedure.

  • Highly effective for weight loss and diabetes
  • Effectively stops bile and gastric reflux
  • Gastric bypass patients may experience dumping syndrome, a very uncomfortable result of consuming high fat and high sugar foods.
  • More complex surgery with higher risks
  • Mild malabsorption which requires lifelong nutritional supplementation and annual screening blood tests to prevent vitamin and mineral deficiency
  • Potential for anastomotic stricture, ulcers, pouch dilatation
  • Small future risk of internal hernias causing bowel obstruction which can require emergency surgery and may be life-threatening
  • Further revision surgery is difficult with limited options
  • Those who want to not only feel full earlier, as with the procedures, but quiet their food cravings as well thanks to hormonal changes triggered by the surgery
  • Calorie counters: The procedure modifies the digestive system so it won’t process as many calories as before
  • 70% average excess weight loss at 1-2 years
  • Gastric bypass patients typically only need to stay 1-2 nights in hospital.
  • Most patients recover fully in 2 to 4 weeks.

Gastric Balloon

Please visit the link below to learn more about this product

www.orberaweightlosssystem.com.au

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Removal of Gastric Band

Whilst some patients have had excellent results with adjustable gastric banding, unfortunately, side effects and complications are becoming increasingly common.

These Include:

  • Reflux, Regurgitation, Vomiting
  • Inability to eat healthy foods
  • Maladaptive diet

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