Am I Eligible for Weight Loss Surgery?

Introduction

Many people living with obesity consider weight loss surgery but are unsure whether they are eligible. Eligibility depends on several factors, including body mass index (BMI), obesity-related health conditions, previous weight loss attempts, and overall health.

This article provides general information to help you understand who may be suitable for bariatric (weight loss) surgery. It does not replace individual medical advice, and eligibility is always assessed on a case-by-case basis during a consultation.

What Is Weight Loss (Bariatric) Surgery?

Weight loss surgery, also known as bariatric surgery, includes procedures such as gastric sleeve and gastric bypass. These operations help with weight loss by:

• Reducing the size of the stomach

• Altering hunger and satiety hormones

• Helping patients feel full sooner and eat less

Bariatric surgery is recognised as an effective treatment for obesity and obesity-related medical conditions when combined with long-term lifestyle changes and medical follow-up.

BMI Criteria for Weight Loss Surgery

Body Mass Index (BMI) is one of the main tools used to assess eligibility.

In general, you may be considered for weight loss surgery if:

• Your BMI is 30 kg/m² or higher, or

• Your BMI is 30 kg/m² or higher with obesity-related medical conditions

Common obesity-related conditions include:

• Type 2 diabetes

• High blood pressure

• Sleep apnoea

• Joint pain or arthritis

• Fatty liver disease

• Polycystic ovary syndrome (PCOS)

BMI is a guide only and does not tell the whole story. A comprehensive medical assessment is always required.

Previous Weight Loss Attempts

Most patients who are considered for bariatric surgery have previously tried non-surgical approaches, such as:

• Diet and lifestyle programs

• Exercise programs

• Medically supervised weight loss

• Weight loss medications

Weight loss surgery is not a “quick fix.” It is a tool to support long-term weight management when other methods have not resulted in sustained weight loss.

Medical and Psychological Considerations

Eligibility also depends on a person’s overall health and ability to undergo surgery safely. This includes:

• Medical conditions and surgical risk

• Understanding of the procedure and its long-term implications

• Willingness to attend follow-up appointments

• Commitment to dietary and lifestyle changes after surgery

Psychological wellbeing and appropriate support are important components of the assessment process.

Age Considerations

Weight loss surgery is most commonly performed in adults.

In selected cases, surgery may be considered in adolescents, but this requires specialised assessment and a multidisciplinary team approach.

There is no strict upper age limit, however the risks and benefits of surgery are carefully assessed for each individual.

Who May Not Be Suitable for Weight Loss Surgery?

Weight loss surgery may not be appropriate for everyone. This can include individuals with:

• Certain untreated or unstable medical conditions

• Active substance misuse

• Inability to commit to long-term follow-up

• Conditions where surgery would pose an unacceptable risk

A thorough consultation helps determine whether surgery is appropriate.

What Happens During a Bariatric Surgery Consultation?

During a consultation, your surgeon will:

• Review your medical history

• Assess your BMI and obesity-related conditions

• Discuss surgical and non-surgical treatment options

• Explain potential risks, benefits, and alternatives

• Answer your questions

This ensures you are able to make an informed decision about your care.

Next Steps

If you are considering weight loss surgery and would like personalised advice, a consultation with a specialist bariatric surgeon is the best next step.

Dr Suzanne Ma provides comprehensive assessment and ongoing care for patients considering bariatric surgery on the Gold Coast.

Important Disclaimer

This information is general in nature and does not replace individual medical advice. Eligibility for weight loss surgery is determined following a detailed medical assessment by a qualified healthcare professional.