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Start a new chapter in your life - Find out more about weight loss surgery.

Dr Benedict Mackay offers patients an expert, multidisciplinary approach to weight loss surgery with a strong emphasis on ensuring an exceptional quality of care. As well as bariatric surgery (obesity surgery), he’s also available for upper gastrointestinal and general surgery.

It’s important to Dr Benedict Mackay to work in partnership with your GP to ensure a positive long-term outcome.

Successful, permanent weight loss requires ongoing lifestyle changes and we recognise the significant role that a patient’s GP has to play.

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Dr Benedict Mackay
BSc, MBChB, MRCS (England), FRACS
General, Upper GI and Bariatric Surgeon
You don’t have to suffer with obesity and health complications

Is weight loss surgery the answer you are searching for?

Obesity is a complex health disease.

There’s no denying that Australia is facing an obesity epidemic, but the factors that contribute to weight gain are many and varied.

Long work hours, increased access to fast foods, and sedentary lifestyles all contribute, as do genetic factors.

The challenge of losing weight can be very difficult for many people. Dr Benedict Mackay knows that many patients try their best with making dietary, exercise and lifestyle changes, only to find they can’t achieve the desired results.

Bariatric (weight loss) surgery is a proven and effective treatment pathway for many patients to lose weight and overcome obesity-related health complications.

Are you eligible for weight loss surgery?

One of the key criteria for being a bariatric patient is your BMI (Body Mass Index).

According to BMI categories:

40 - 49.9
is obese
is morbidly obese
30 - 39.9
is super obese

Use our BMI tool to find out if your weight is putting you at risk.

Surgery for obesity is considered an appropriate choice for patients:

  • With a BMI greater than 35
  • With a BMI greater than 30 and one or more obesity-related illness
  • Who have tried non-operative weight loss solutions without long-term success

In certain circumstances, patients with lower BMI may be candidates.

Patients - The Process:

Consultation with Dr Benedict Mackay

During your consultation with Dr Benedict Mackay you will discuss your options and which operation will be most appropriate for you. You will also discuss any medication you are currently on (bring a list) as you may need to stop taking some, such as aspirin, before surgery.

Preparation for Weight Loss Surgery

If you decide to proceed with surgery it's important to understand what to expect before during and after the operation and prepare well as this all contributes to a faster, smoother recovery.

You will be provided with a comprehensive pre-operation guide. Your preparation for weight loss surgery will include:

  • Undergoing physical assessments to make sure you are ready for surgery. This might include blood tests, X rays, cardiac function and lung function tests.
  • Adhering to a very low calorie diet (VLCD) for at least two weeks prior to the operation.
  • Cutting out or significantly reducing your smoking, if you smoke, to reduce surgery risks and improve recovery.
  • No eating or drinking after midnight the day before your surgery.
  • Ensuring you have support at home to care for you (cooking, laundry, caring for children etc) for five to seven days after coming home.
  • Reporting any pre-surgery infections to your surgeon as you may need to delay surgery while your infection is treated.
First few days after surgery

Most patients require a hospital stay of one to three days following weight loss surgery. You should plan to rest for at least a week after surgery to aid your recovery. You will not be able to drive for at least 24 hours after surgery.

After surgery, you must follow a strict liquid diet, starting with clear liquids and slowly introducing protein shakes and pureed foods.

First 6-8 weeks after surgery

Most people return to work within 3-4 weeks of surgery. You should continue to follow the liquid diet of pureed foods and shakes and slowly introduce soft foods under the supervision of one of our dietitians.

Exercise also plays a key part in post-surgery recovery. Physical activity is an important element of any healthy lifestyle. To begin, gentle movement such as walking and swimming is recommended. Again this can be done under the supervision of one of our exercise physiologists.

You will be able to introduce solid food within six to eight weeks, under the supervision of a dietitian. Your dietitian will also help you to plan the timing and frequency of meals and ensure you are meeting your nutritional needs and help you achieve your weight loss goals in a healthy and sustainable way.

After eight weeks of recovery, you can start to introduce more intense physical activity, such as strength training.

6 months after surgery

Your life should be getting back to normal by now. To maintain a healthy lifestyle and achieve your weight loss goals, you should be following a nutrition plan developed in consultation with a dietitian and you should practice regular physical activity in consultation with an exercise physiologist.

A great benefit of weight loss surgery is that you will feel less physical discomfort exercising as your weight decreases. Many patients discover a new-found enthusiasm for exercise and sports.

Meet the surgeon

Dr Benedict Mackay.

One of Australia’s most highly trained and qualified bariatric surgeons, Dr Benedict Mackay combines impressive experience with a deep knowledge of modern surgical techniques and a commitment to achieving the very best outcome for patients.

Dr Benedict Mackay is based on the Sunshine Coast and operates at Sunshine Coast University Private Hospital, so patients no longer need to travel to Brisbane or beyond for exceptional gastrointestinal surgical care.

Learn more
Dr Benedict Mackay
BSc, MBChB, MRCS (England), FRACS
General, Upper GI and Bariatric Surgeon

Professional Associations

Request an appointment with Dr Benedict Mackay.

Find out more about surgical options and speak to your GP about getting a referral to Dr Benedict Mackay. Or request an appointment today.