Specialist sleeve gastrectomy surgery guided by Dr Andrew Kiyingi – Masters of Surgery, International Bariatric Fellowship, ANZMOSS member, over two decades of precision bariatric care across three Perth locations.
Gastric Sleeve Surgery Perth – a proven path to lasting change.
Considering gastric sleeve surgery in Perth?
If you have tried everything – this is worth reading.

Most people who arrive here have spent years trying to lose weight through discipline alone. Diets that worked briefly. Exercise that helped, but never enough. Moments of real progress followed by frustrating setbacks.

If this is your experience, we want you to know something important: this is not just a failure of character or willpower. Obesity is a far more complex medical condition with hormonal, metabolic, and genetic drivers.

Gastric sleeve surgery (sleeve gastrectomy) works with your biology to reset hunger signals and improves the feeling of fullness to make lasting weight loss achievable. Dr Kiyingi’s role is not to judge your journey. It is to give you the most effective tool available – and to stand beside you, every step of the way.
How gastric sleeve surgery (sleeve gastrectomy) works in Perth – and why it is different from a diet or medications.
Hunger is driven in large part by a hormone called ghrelin – a large amount is produced in the top part (fundus) of the stomach. Sleeve gastrectomy uses keyhole surgery to remove this part of the stomach, resetting your hunger signals and reducing your stomach capacity. This is what makes it fundamentally different from any diet and weight loss medications.

What is removed during sleeve gastrectomy surgery
Approximately 70-80% of the stomach is permanently removed – including the top part (the fundus), the primary ghrelin production site. The remaining stomach is reshaped into a narrow sleeve of ~150-200ml, reduced from the normal 1.0-1.5 litres.

What is preserved – normal digestion maintained
The full length of the digestive tract is preserved. Unlike gastric bypass, there is no intestinal re-routing and no malabsorption.

The dual mechanism behind lasting weight loss
Sleeve gastrectomy produces lasting results through two simultaneous effects: a dramatically reduced stomach capacity and a hormonal reduction in ghrelin means your feel genuinely less hungry.

Laparoscopic sleeve gastrectomy technique – keyhole surgery in Perth
Performed as keyhole (laparoscopic) surgery. Typically 4–5 small incisions, faster recovery, less pain, and minimal scarring. Most patients return to normal activity within 2–3 weeks.
70-80%
Stomach removed
Reshaped into a banana-sized sleeve of ~150-200ml capacity
Ghrelin Reset
Hunger hormone reduced
Top part of stomach removed • reduction in appetite • not just portion control
60-80%
Excess weight lost
Typically within the first 12-18 months after surgery
Enquire Now
We will guide you through your options.
Your gastric sleeve surgery journey in Perth – guided every step of the way.
A structured, personalised process designed to support you before, during and long after surgery.
Initial consultation with Dr Kiyingi
A private, pressure-free conversation about your health history, goals and suitability for gastric sleeve surgery in Perth. No obligation. Honest, expert guidance.
Pre-operative preparation
Nutritional optimisation, lifestyle planning, and all necessary medical clearances. Your specialist dietician is involved from this stage onward.
Laparoscopic sleeve gastrectomy — keyhole bariatric surgery Perth
Keyhole surgery, typically 60 to 90 minutes. Performed at accredited hospitals with expert Perth bariatric anaesthetic and nursing teams.
Hospital stay — 1 to 2 nights
Short hospital stay, post-operative monitoring, pain management, and mobilisation guided by our nursing team.
Staged dietary recovery
From clear fluids, to puréed foods, to soft foods, to normal textures — a staged, dietitian-guided recovery over the first six weeks and beyond.
Long-term follow-up and support
Ongoing nutritional monitoring, regular follow-up with Dr Kiyingi’s team, and vitamin and mineral supplementation guidance. Follow-up is not optional – it is the standard of care.
Benefits of sleeve gastrectomy surgery in Perth: life on the other side
Our patients describe changes in ways that go far beyond numbers on a scale. Energy they had forgotten they could feel. Sleeping without machines. Playing with their kids again.
60-80% excess weight loss
The majority occurring within the first 12-18 months following sleeve gastrectomy surgery.
Improved metabolic health
Type 2 diabetes, hypertension, and sleep apnoea frequently improve substantially, in some cases resolve.
Renewed energy and mobility
Reduced joint pain, improved stamina, greater freedom of movement.
Psychological wellbeing
Patients consistently report greater confidence, mood and quality of life within the first year.
Improved fertility and PCOS
Weight loss often improves fertility and regulates hormones for women with PCOS.
Dr Andrew Kiyingi — Specialist Bariatric and Sleeve Gastrectomy Surgeon in Perth
Australian-trained. Master of Surgery qualified. International Bariatric Fellowship.
For more than two decades Dr Andrew Kiyingi has dedicated his practice to bariatric surgery — helping patients achieve lasting change through minimally invasive, laparoscopic gastrectomy and welcomed patients closely. A member of ANZMOSS and RACS, Dr Kiyingi understands the weight loss surgery in newly published peer-reviewed research and lectures internationally. He believes obesity is a chronic condition, not a personal failure, and combines empathy with rigorous surgical practice. Practising across three Perth locations — Murdoch, Mount Lawley and Kingsway — Dr Kiyingi and his multidisciplinary team have gained a reputation for delivering safe, evidence-based bariatric care to patients from across Western Australia.
Gastric sleeve surgery risks in Perth — and why your surgeon’s experience matters
Dr Andrew Kiyingi believes informed patients make the best decisions. Every surgical procedure carries risk, and we’ll discuss yours openly and honestly. Laparoscopic sleeve gastrectomy in experienced hands carries a well-established safety profile. In many cases, the risks of lifelong obesity outweigh the risks of surgery.

Staple line leak
– less than 1%
Extremely rare risk. Substantially reduced by surgeon experience and technique.

Bleeding
– less than 1%
Well within accepted range for laparoscopic bariatric procedures.

Lifelong supplementation
– required
Vitamin and mineral supplementation for life; your care programme from the outset.

Risk of reflux
– 6%
Reflux is common post-sleeve surgery; some patients may experience reflux after surgery. We discuss this risk and how to manage it.

Surgeon experience directly reduces risk
Dr Kiyingi is widely regarded as one of the most experienced medical bariatric surgeons.



It’s more than weight loss.
It’s your life back.
There’s a moment many of our patients describe after gastric sleeve surgery that has nothing to do with the scales.
It’s saying yes to life again. To photos, to your children, to energy and confidence. To travelling without anxiety. To looking in the mirror and recognising yourself again.
For many, obesity affects more than appearance — it impacts confidence, mobility, relationships, health and quality of life for years. After trying countless diets and programs, many arrive feeling emotionally exhausted — not because they lacked discipline, but because they’ve been fighting biology alone.
Gastric sleeve surgery is a powerful tool that works with your body to reduce hunger, improve metabolic health and create the opportunity for lasting change.
What matters most is what life begins to look like afterwards.
At BMI Specialist Clinics, Dr Andrew Kiyingi and our multidisciplinary team guide you every step of the way — safely, honestly and with long-term support.
It’s about getting your life back.

Compassionate, judgement-free care

Safe, proven surgical expertise

Ongoing support from our team

Real people, real transformations
Ready to explore your options?
We’ll guide you through every step.
Gastric sleeve surgery Perth
Answers to the questions Perth patients ask most about sleeve gastrectomy and weight loss surgery in Western Australia.
Most candidates have a BMI of 35 or above, or a BMI of 30 or above with an obesity-related condition such as type 2 diabetes, sleep apnoea, or hypertension. Dr Kiyingi assesses every patient individually — BMI is a guide, not a rule. Book a consultation to find out if sleeve gastrectomy is right for you.
In the weeks before surgery, patients follow a high-protein, low-calorie pre-operative diet to reduce liver size and improve surgical safety. Your specialist dietitian will provide a specific plan tailored to you. Stopping smoking at least 12 weeks before surgery is also strongly advised.

