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Comparing The Types Of Bariatric Surgery

Gastric Bypass vs Lap Band vs Gastric Sleeve

If you are pursuing bariatric weight loss surgery in Sydney, there are a number of factors to consider when choosing which procedure is right for you. Our comparison chart below covers the main differences between lap band vs gastric bypass vs sleeve gastrectomy. To further understand the differences of these bariatric surgery procedures, including if you would like to compare the prices of gastric band surgery, lap band surgery, and gastric sleeve surgery, schedule a consultation with our certified bariatric surgeon, Dr. Kuzinkovas, at Advanced Surgicare today.


Minimally invasive laparoscopic procedure

Moderately invasive laparoscopic procedure, removing a 75% of the stomach.

Invasive laparoscopic procedure, involving multiple areas of the abdomen. Changes normal processes of digestion.



Non reversible


Operating time

30-40 min

45-60 min

60-90 min


No change to normal digestion
Lower risk of early surgical complications
Lowest mortality rate

No hunger
No foreign body around the stomach
Low mortality rate
Less follow up appointments after surgery
Improved quality of life
Improved or resolved conditions associated with obesity
Regarded as “set and forget” procedure.

Best known long term operation
Rapid initial weight loss
Improves or totally resolves diabetes
Maximum amount of weight loss

Risks or Complications

Tubing leak
Band Infection
Band erosion into the stomach
Food intolerances
Gastric acid reflux
Reoperation risk

Staple separation or leakage
Gastric acid reflux (rare)

Changes to normal digestion
Staple separation or leakage
More follow up than after sleeve gastrectomy
Gastric stomal ulcer
Dumping syndrome
Risk of internal hernia,
No gastroscopic access to duodenum

Average Hospital Stay

1 day

2-3 days

2-4 days

Average time off Work

1 week

2-4 weeks

2-4 weeks

Quality of life

Can be compromised
Some types of foods are not tolerated.

Very good Most type of foods are well tolerated Eating is normal, but portions are restricted


productive burping

Frequent, if the band is overtight.

None to very rare

None to very rare


Regular visits to adjust the band are crucial for successful weight loss

Regular follow-ups every 1-2 months for the first 6 months, then 3 -6 monthly to check on the progress

Regular follow-ups every 1-2 months for the first 6 months, then 3 -6 monthly to check on the progress

Excess weight loss