Roux-en-Y Gastric Bypass
in Brisbane
For patients seeking a long-established procedure for weight loss and metabolic conditions, Dr Aaron Lim offers the Roux-en-Y Gastric Bypass.
As a specialist General and Bariatric Surgeon, Dr Lim uses this procedure not only for weight loss but also as a treatment option for chronic GORD (reflux) and type 2 diabetes.
Dr Lim also performs the gastric sleeve and mini gastric bypass. You can compare all weight loss surgery options.
About the Procedure
What is a Roux-en-Y Gastric Bypass?
The Roux-en-Y is a sophisticated procedure that reshapes your digestive system to improve health. Dr Lim performs this by:
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Creating a Small Pouch
The upper portion of the stomach is separated to create a small pouch, restricting the amount of food you can eat.
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Rerouting the Digestion
A section of the small intestine is connected directly to this new pouch. Food "bypasses" the rest of the stomach and the first part of the small intestine, leading to significant metabolic changes and calorie reduction.
Why Choose Us
Why Dr Aaron Lim for Your Gastric Bypass?
A Gastric Bypass is a complex procedure that requires a high level of surgical skill and a deep understanding of human physiology. Dr Lim's background includes MBBS (Hons), BPharm and FRACS qualifications.
The Pharmacist's Perspective
Dr Lim's foundational training in Pharmacy is invaluable for Bypass patients. He provides expert guidance on how the rerouting of your digestive tract will affect medication absorption and nutritional needs.
The Reflux Specialist
The Roux-en-Y is the preferred procedure for patients suffering from severe Gastro-Oesophageal Reflux Disease (GORD). Dr Lim's sub-specialty in upper GI surgery means he can address both weight and chronic heartburn in a single operation.
A "Teamwork" Mentality
Success with a Gastric Bypass depends on long-term nutritional management. Dr Lim integrates his surgical care with the BGOS multidisciplinary team, ensuring you have dietitian and nursing support to manage your vitamins and health markers for life.
What to Expect
Benefits of the Roux-en-Y
Under Dr Lim's care, patients choosing a Gastric Bypass may experience:
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Reflux control
It is commonly recommended for patients living with obesity and reflux.
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Weight management
Weight loss varies from person to person. Dr Lim will discuss a realistic goal with you at your consultation.
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Type 2 diabetes
Blood sugar control often improves after surgery, and diabetes medication is reviewed during follow-up.
Recovery
Your Surgical Journey & Recovery
Dr Lim utilises Advanced Laparoscopic (Keyhole) Surgery for all Gastric Bypass procedures to ensure a smoother recovery.
Minimally Invasive
Smaller incisions mean less pain and a lower risk of wound complications compared to open surgery.
Hospital Stay
Patients typically spend 1 to 2 nights in hospital under the watchful care of Dr Lim and his team.
Lifelong Partnership
Because the bypass affects how you absorb certain nutrients, Dr Lim stays with you for the long haul, with regular follow-ups to ensure your vitamin levels and health remain optimal.
Candidacy
Is This the Right Choice for You?
Dr Lim may recommend a Roux-en-Y Gastric Bypass if you meet any of the following criteria. A thorough assessment is completed at your initial consultation.
BMI >35 with metabolic conditions
Including type 2 diabetes or high blood pressure, conditions the Roux-en-Y may help improve.
Severe chronic acid reflux (GORD)
The Roux-en-Y is commonly recommended for patients living with obesity and reflux, addressing both weight and heartburn in one operation.
Revision from previous surgery
Seeking a revision from a Gastric Band or Gastric Sleeve, and discussing whether a Roux-en-Y may be suitable.
Your Surgeon
Dr Aaron Lim
MBBS (Hons) · BPharm · FRACS
Subspecialty in Bariatric & Oesophagogastric
Surgery
Dr Lim's background in pharmacy gives him a rare perspective on how the Roux-en-Y affects medication absorption and long-term nutrition, knowledge that directly benefits his patients post-surgery.
He consults at several convenient Brisbane locations including Redcliffe, Kangaroo Point (South Brisbane), Cleveland, and Capalaba. Financial assistance is available through the Early Release of Superannuation via SuperCare.
Meet Dr Aaron LimPatient Stories
Real results. Real stories.
Sarah M.
8 months ago
Dr Lim took the time to explain every option available to me. I never felt rushed or pressured. The whole team made what could have been a daunting experience feel completely manageable.
Gastric Sleeve · Brisbane
James T.
1 year ago
I'd been struggling with my weight for over a decade. After seeing Dr Lim, I finally had a clear, personalised plan. Twelve months on and I've lost over 40kg — it's been life-changing.
Mini Gastric Bypass · Redcliffe
Michelle K.
10 months ago
The Allurion balloon was the right first step for me. Dr Lim and his team guided me every step of the way. I felt supported from day one and the results speak for themselves.
Allurion Balloon · Cleveland
David R.
6 months ago
From my very first appointment I knew I was in great hands. Dr Lim is genuinely invested in your success. The level of care and follow-up from the entire team has been outstanding.
Gastric Sleeve · Capalaba
Professional Associations & Credentials
FAQ
Common Questions
What makes the Roux-en-Y different from the Gastric Sleeve?
The Gastric Sleeve removes a portion of the stomach to reduce its size, while the Roux-en-Y also reroutes part of the small intestine. This creates metabolic changes that may help patients with type 2 diabetes and GORD.
How long will my recovery take?
Most patients stay 1–2 nights in hospital. You can return to light activity within 2–3 weeks and full activity by 4–6 weeks. Dr Lim and the care team will guide your recovery with regular follow-ups throughout.
Can the Roux-en-Y help with type 2 diabetes?
It may. Blood sugar control often improves after surgery, and diabetes medication is reviewed during follow-up. Results vary by individual and the duration of diabetes.
Will I need to take vitamins for life?
Yes. Because the Roux-en-Y bypasses part of the small intestine, absorption of certain vitamins and minerals is reduced. Daily supplementation, including B12, iron, calcium, and vitamin D, is essential for life. Dr Lim's team monitors your levels at every follow-up.
Is the Roux-en-Y reversible?
Technically it can be reversed, but this is rarely done and considered a complex revision operation. The Roux-en-Y is intended as a permanent procedure. If you have concerns about long-term commitment, discuss them with Dr Lim at your consultation.
Related Services
Gastric Sleeve
Permanent surgical reduction of stomach volume, performed laparoscopically.
Mini Gastric Bypass
A single-loop bypass combining restriction and mild malabsorption for sustained weight loss.
General & Reflux Surgery
Specialist care for GORD, hernias, gallbladder, and general surgical conditions.
Where we work
Across Brisbane,
Redlands & Moreton Bay.
Five operating hospitals and five consulting suites, chosen so patients can be seen close to home, with continuity of care between consult and theatre.
Operating hospitals
Where procedures are performed
- Directions
Redland Hospital
Cleveland
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Mater Private Hospital Redland
Cleveland
- Directions
Mater Private Hospital
South Brisbane
- Directions
North West Private Hospital
Everton Park
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Peninsula Private Hospital
Kippa-Ring
Consulting clinics
Where you'll see Dr Lim
- Directions
Your Health Specialist
Kangaroo Point
- Directions
Brisbane General & Obesity Surgery
Redcliffe
- Directions
Capalaba Medical Centre
Capalaba
- Directions
Mater Health Centre Redland
Cleveland
- Directions
North West Private Specialist Suites
Everton Park
Ready to Take the Next Step?
Book a consultation with Dr Aaron Lim to discuss whether the Roux-en-Y Gastric Bypass is right for you. Financial assistance is available through SuperCare.