FAQs

Frequently Asked Questions

What is morbid obesity?

Morbid obesity is a Body Mass Index (BMI) of 40 or more. The disease of morbid obesity interferes with basic physical functions such as breathing or walking. Long-term effects of the disease include shorter life expectancy, serious health consequences in the form of weight-related health problems (co-morbid conditions) such as type 2 diabetes and heart disease, and a lower quality of life with fewer economic and social opportunities.

What is a co-morbid condition?

There are two definitions for a co-morbid condition: the presence of one or more disorder or disease in addition to a primary disorder or disease; or, the presence of a disorder or disease that is caused by or otherwise related to another condition in the same patient. The primary disease of morbid obesity can lead to several co-morbid conditions.

What is bariatric surgery?

Bariatric surgery is a procedure designed to make the stomach smaller so the patient feels satisfied with less food. It is intended for people with a Body Mass Index of 40 or greater, and who have not had success with other weight loss therapies such as diet, exercise, medications, etc. A person with a Body Mass Index (BMI) of 35 or greater and one or more co-morbid condition also may qualify for bariatric surgery.

What is Body Mass Index (BMI)?

BMI is a measure used to index a person’s height and weight. BMI allows healthcare professionals and patients to better understand health issues associated with a specific weight classification (classifications such as obesity and morbid obesity).

How do I know if I qualify for bariatric surgery?

Patients should have:

  • 45kgs or more of excess weight; or a BMI of 40 or greater
  • A BMI of 35 or greater with one or more co-morbid condition

Other common guidelines include:

  • Understanding the risks of bariatric surgery
  • Committing to dietary and other lifestyle changes as recommended by the surgeon
  • Having a history of weight loss treatments having failed the patient
  • Undergoing a complete examination including medical tests

Is bariatric surgery right for me?

Remember:

  • Bariatric surgery is not cosmetic surgery.
  • Bariatric surgery does not involve the removal of adipose tissue (fat) by suction or surgical removal.
  • The patient must commit to long-term lifestyle changes, including diet and exercise, the key to the success of bariatric surgery.
  • Problems after surgery are rare, but corrective procedures may be required.

What are the complications and risks associated with bariatric surgery?

As with any surgery, there are immediate and long-term complications and risks. Possible risks can include, but are not limited to:

  • Bleeding
  • Complications due to anaesthesia and medications
  • Deep vein thrombosis
  • Dehiscence (separation of areas that are stitched or stapled together)
  • Infections
  • Leaks from staple lines
  • Marginal ulcers
  • Pulmonary problems
  • Spleen injury
  • Stenosis (narrowing of a passage, such as a valve)
  • Death

What are the possible side effects of bariatric surgery?

Side effects include:

Vomiting
Dumping syndrome
Nutritional deficiencies
Gallstones
Need to avoid pregnancy temporarily
Nausea, vomiting, bloating, diarrhoea
Excessive sweating, increased gas, and dizziness

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