SIPS /SADI–S Bariatric
Surgery In Perth

Reaching your weight loss goals can seem impossible if you have been struggling. Perth Surgical & Bariatrics offers a possible solution with SIPS/SADI-S surgery.

Options of SIPS/SADI-S Surgery Perth

Dr Ravi Rao in Perth performs SIPS Surgery which is also known as SADI-S (Single anastomosis Duodeno-ileal Bypass with Sleeve gastrectomy) is an effective weight loss procedure. Certainly, the weight loss results are encouraging. Analyses of results suggest that on average, patients will lose over 12-19 BMI units, 1 year from surgery. SIPS (SADI-S) combines a vertical sleeve that is slightly larger than standard VSG, with an intestinal shortening procedure. By shortening the intestinal length, combined with the resection of the fundus and greater curvature, food consumed reaches the distal intestine more rapidly. This stimulates the cells in this region to release incretins that alter hunger and satiety. The preservation of 3m of the intestine along with the ileocecal valve may reduce the risk of malnutrition and diarrhoea.

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  • Retained Stomach
  • Removed portion of stomach
  • Bypassed small bowel

Unlike the roux-en-y gastric bypass, the pylorus is preserved in this operation. The pylorus provides control of solid emptying, reducing the chances of dumping syndrome, and assisting in maintaining a physiologically based rate of gastric emptying. Thus, with SIPS-Surgery (SADI-S), our hope is that we can provide an efficacious procedure that offers improved quality of life, adequate intake and rely on the passage of ingested food into the faecal stream.

SIPS/SADI-S surgery is an effective bariatric procedure for weight loss and has a beneficial effect on diabetes.

Who might prefer this procedure?

Those who not only want to feel full earlier, as with the procedures, but quieten their food cravings as well, thanks to the hormonal changes triggered by the surgery

Calorie counters: The procedure modifies the digestive system so it won’t process as many calories as before

Length of stay

RNY, SIPS/SADI-S and other gastric bypass patients only need to stay 1-2 nights in the hospital

Most patients recover fully in 2 to 4 weeks

Benefits of SIPS/SADI-S Surgery

Less protein–energy malnutrition and fewer vitamin deficiencies

Facilitates absorption of iron, calcium and vitamin B12

Beneficial effect on diabetes

Ability to eat normally like with the sleeve

No dumping syndrome as pylorus is preserved

No increased risk of anastomotic ulcers

No increased risk of internal hernias

Excellent technique for failed sleeves as it avoids anastomosis in areas of adhesions and induration from prior surgery

Avoids the controversy of gastric cancer in the gastric remnant due to bile reflux as in Omega loop or Mini gastric bypass

Risks of SIPS/SADI-S Surgery

Data beyond 5 years or longer term is not available

SIPS/SADI-S cannot be reversed

Increase in number of bowel movements to average 2.5 times

Cardiovascular problems (especially with unidentified, pre-existing heart disease): Heart attack, stroke or death

Respiratory problems: Pneumonia, pulmonary embolus

Wound problems: Wound infection (<5%) hernia development (1% for laparoscopic surgeries)

Circulation: Problems include blood clots in legs and blood clots migrating to lungs

Death Can Occur: For Laparoscopic Gastric Bypass (0.5 – 1%)

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Frequently asked questions

01
What is SIPS/SADI surgery?
SIPS/SADI is a simplified duodenal switch combining a sleeve gastrectomy with a single intestinal bypass, offering strong metabolic benefits.

SADI provides greater malabsorption, more dramatic diabetes improvement, and often more weight loss, but requires strict vitamin monitoring.

Most patients lose 80–90% of excess weight within 18–24 months.

Lifelong supplementation is mandatory:

  • Bariatric multivitamin
  • Vitamin D + calcium
  • Vitamin A
  • Vitamin B12
  • Iron
  • Fat-soluble vitamins (A, D, E, K)

Yes, it is often used after failed sleeve gastrectomy when additional weight loss is required.

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