Weight Loss Procedures
Ready to help you reach your goals
Our team of specialists are at the forefront of bariatric and metabolic therapies. We integrate novel approaches and emerging techniques and technologies to ensure we provide the best possible care.
Gastrectomy surgery is the most rapidly growing procedure in Australia. This procedure offers patients long term results with minimal complications. Patients will generally spend 1-2 night stay in hospital, while the keyhole surgery generally takes about 90 minutes. Gastric sleeve surgery is not reversable.
This method works by restricting the amount of food that can be consumed with any given meal. Normally the human stomach can store up to two litres in volume before it distends enough to give a sensation of fullness.
The procedure involves dividing the stomach along the inner curve, removing 80% of the stomach and leaving behind only a sleeve. The gastric sleeve is much smaller than the natural stomach, therefore restricting the amount of food that can be eaten before it distends, giving a sensation of fullness.
Ghrelin is a hunger hormone secreted predominantly by the stomach. By removing 80% of the stomach, the amount of ghrelin secreted between meals is significantly reduced, hence patients who’ve had the sleeve gastrectomy don’t feel the need to snack between meals.
This method has the longest track record compared to the gastric band and the sleeve gastrectomy. Patients usually spend 3-4 days in hospital and the surgery takes about 120 minutes to perform.
Gastric bypass is also known as Roux-en-Y Gastric Bypass (RYGB) and involves dividing the stomach into two sections to create a small stomach pouch that is then attached to a segment of the small intestine. The remainder of the stomach is left inside the body but is disconnected from the normal food channel. The small stomach pouch restricts the amount of food that can be eaten.
The bypassed 100-150cm of small bowel reduces the absorption of fat, calories and nutrients. The change in configuration of the small bowel leads to changes in gut hormones that are responsible for weight loss and improvement in diabetes.
Gastric banding is designed to restrict the amount of food that can be eaten by creating a small pouch of stomach. Patients will generally stay in hospital for one day, and the keyhole surgery takes about 40 minutes to perform. An adjustable band is wrapped around the top of the stomach to reduce its size. The small pouch distends with a small amount of food giving patients a sensation of fullness and stops the need to eat large portion sized meals.
The band itself is made of special silicone and connected via plastic tubing to a reservoir port implanted in the patient’s abdominal wall under the skin. The amount of fluid injected into the port gradually increases the restriction on the stomach and sense of fullness.
Gastric band removal
While the vast majority of gastric banding procedures are very successful, there is always an inherent risk of band failure, requiring the band to be removed. This can be due to:
- Reflux and heartburn
- Frequent vomiting
- Food intolerance
- Weight regain
- Device failure (such as leaking port or tubing)
- Band erosion
Safe removal of a Gastric Band
Removal is simply performed using keyhole surgery and only involves an overnight stay in hospital. The band removed altogether along with the tubing and the injection port that lies underneath the skin and the stomach returns to function normally.
Can another surgical weight loss method be implemented once the band is removed?
Yes, it is possible to explore sleeve gastrectomy or gastric bypass after gastric band removal, once the removal surgery scar heals and softens (at least three months).
While most bariatric procedures have good long term results, there are a few isolated cases where revisional surgery is needed to relieve any difficulties. This can include:
- vomiting, reflux or heartburn
- unable to eat normally
- inadequate weight loss or weight regain
- food intolerance
- device failure such as leaking
- in relation to gastric bypass there may also be:
- abdominal pain from internal herniation
Suitability for revisional bariatric surgery is very dependent on individual circumstances. Revisional bariatric surgery requires a high degree of technical skill and understanding in metabolic surgery, not all bariatric surgeons are trained to perform this type of surgery.
Our experience in revisional surgery ensures that:
- revisional surgery is only performed if it is safe to do so, and
the procedure is performed with the highest level of expertise.
- If you have had any of the above symptoms, please let us know and we will arrange a consultation to discuss the options available for revisional surgery.
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