Revision Bariatric Surgery in Melbourne
Revision bariatric surgery is a corrective procedure for patients who have experienced complications, insufficient weight loss, or significant weight regain following a previous bariatric operation.
At Specialist Surgical Group, our Melbourne-based bariatric surgeons have experience managing the added complexity of revision surgery, which involves operating on previously modified anatomy with scar tissue from the original procedure. We perform a range of revision procedures, including gastric band removal and conversion, sleeve-to-bypass conversion, and pouch or anastomosis revision.
Revision surgery is not about starting over. It is a tailored surgical response to a specific problem with your previous procedure. According to the Australian Bariatric Surgery Registry, approximately 3,600 revision procedures are performed in Australia each year, representing around 18% of all bariatric surgeries [1].
You don’t need to have had your original surgery with us. We regularly see patients whose primary procedure was performed by other surgeons, and we’ll work with you to understand your surgical history and determine the best approach.
We consult from our Essendon and Bundoora clinics, with procedures performed at accredited hospitals in Melbourne.
Call us today at (03) 9466 7338 to book a consultation.
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We are located in the heart of Essendon and Bundoora.
Do you need revision bariatric surgery?
Revision bariatric surgery may be appropriate for you if:
- You have experienced significant weight regain after initially successful weight loss from bariatric surgery
- Your primary bariatric procedure has not achieved the expected weight loss despite following recommended dietary and lifestyle guidelines
- You are experiencing persistent complications from your original surgery, such as severe reflux, gastric band problems (slippage, erosion, dysphagia), or ongoing nutritional difficulties
- You have persistent obesity-related health conditions despite previous bariatric surgery
- Your previous surgical anatomy has changed in a way that is causing symptoms or reducing effectiveness
During your initial consultation, we will thoroughly review your previous surgical records, assess your current health, and discuss your goals to determine whether revision surgery is the most appropriate option for you.
Common revision pathways
Revision surgery is not a single procedure. The approach depends entirely on what was done originally and why revision is needed.
Band removal and conversion
Gastric band removal is the most common revision procedure in Australia. If your band is causing problems such as slippage, erosion, reflux, or dysphagia, or if it hasn’t achieved adequate weight loss, the band and access port can be removed laparoscopically.
Many patients then choose to convert to a gastric sleeve or gastric bypass for more consistent long-term weight loss.
This may be done at the same time as band removal or as a staged procedure, depending on your circumstances [2].
Sleeve to bypass conversion
If you’ve had a gastric sleeve and are experiencing severe reflux (GORD) or significant weight regain, conversion to a Roux-en-Y gastric bypass or mini gastric bypass may be recommended.
The bypass reroutes food away from the lower oesophageal area, which typically resolves reflux while also providing an additional malabsorptive component for further weight loss.
Reflux is the most common reason for sleeve-to-bypass conversion, followed by weight regain [3].
Pouch or anastomosis revision
For patients who have had a previous gastric bypass and experienced weight regain, the gastric pouch or the connection (anastomosis) between the pouch and intestine may have stretched over time.
Revision surgery can reduce the pouch size or tighten the anastomosis to restore restriction. This may be done surgically or, in some cases, endoscopically [4].
Potential benefits
- Renewed weight loss. Many patients achieve meaningful additional weight loss following revision surgery, helping them progress toward their health goals [4][5].
- Resolution of complications. Revision surgery can effectively address persistent reflux, band-related problems, and nutritional difficulties that developed after the initial procedure [2][3].
- Improved metabolic health. Patients often experience renewed improvements in type 2 diabetes, high blood pressure, and sleep apnoea following successful revision [5]
- Enhanced quality of life. Many patients report improvements in physical function, comfort, and overall satisfaction after their revision [4].
- Correction of anatomical changes. Revision can address stretched pouches, dilated connections, or other changes that may have contributed to weight regain or ongoing symptoms [4].
Potential risks
- Increased surgical complexity. Revision surgery is generally more complex than primary bariatric procedures due to scar tissue and altered anatomy. Complication rates are higher than for first-time surgery [6][7].
- Scar tissue and technical challenges. Previous surgery creates adhesions and scar tissue that can increase operative time and difficulty. In some cases, a laparoscopic procedure may need to be converted to open surgery [7].
- Bleeding, infection, and anastomotic leak. Standard surgical risks apply, with a slightly higher risk than for primary procedures [6].
- Nutritional deficiencies. Patients may require closer nutritional monitoring and supplementation following revision, particularly with conversion procedures that add a malabsorptive component [8].
- Extended recovery. Recovery may take longer compared to primary procedures due to the added complexity [6].
- Serious complications. As with any major surgery under general anaesthesia, serious complications, including, rarely, death, can occur. The risk profile for revision surgery is generally higher than for primary procedures [6].
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(03) 9466 7338Meet our weight loss surgeons
Your revisional bariatric journey
The following steps provide a brief overview of your revision surgery journey. Individual experiences will vary significantly based on the type of revision, your previous surgery, and your specific health circumstances.
1. Comprehensive assessment
Your journey begins with a thorough consultation with one of our bariatric surgeons. We’ll review your previous surgical records, assess your current weight and health status, and discuss your goals.
This assessment may include blood tests, imaging studies, and an endoscopy to evaluate your current anatomy.
Understanding exactly what was done during your original surgery is essential for planning an effective revision.
2. Pre-operative preparation
Depending on the type of revision planned, you may follow a very low-calorie diet for 2-4 weeks before surgery to reduce liver size and improve surgical access.
You’ll receive instructions about medications and fasting requirements.
Our team coordinates any remaining medical clearances and arranges your hospital admission.
3. The revision surgery
Revision surgery is performed under general anaesthesia at an accredited Melbourne hospital. Operating times vary depending on the type and complexity of your revision, typically ranging from 1-3 hours.
Your surgeon uses laparoscopic techniques where possible, working carefully around scar tissue and altered anatomy from your previous procedure. The specific approach depends on what’s being revised:
- Pouch or anastomosis revision. The existing gastric pouch or connection is modified to restore restriction or address complications.
- Band removal or conversion. The band and access port are removed. If converting to sleeve or bypass, this may be done in the same operation or as a staged procedure.
- Sleeve-to-bypass conversion. The existing sleeve is connected to the small intestine to add a malabsorptive component, typically to address reflux or weight regain.
4. Hospital recovery
You’ll stay in the hospital for 2-4 nights, depending on the complexity of your revision. Our nursing team monitors your recovery, manages pain relief, and watches for any complications.
You’ll be encouraged to walk within hours of surgery. Your diet begins with clear fluids, progressing to full liquids before discharge.
5. Recovery and long-term support
Recovery at home follows a structured dietary progression tailored to your specific revision type. Our dietitian provides guidance suited to your procedure and individual needs.
We schedule follow-up appointments at 2 weeks, 6 weeks, 3 months, 6 months, and 12 months after surgery, then annually. Each visit includes a check-up with your surgeon and blood tests to monitor your nutritional levels.
Access to counselling services and support groups is available throughout your journey.
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(03) 9466 7338Revisional bariatric surgery FAQ
We typically recommend waiting 12-18 months after your initial procedure before considering revision surgery. This allows your body to heal fully and gives us time to accurately assess the outcomes of your primary surgery.
Every patient’s timeline is different, so we’ll evaluate your specific situation during consultation.
Revision bariatric surgery costs depend on the type and complexity of the procedure. Medicare may provide rebates for medically necessary revision procedures. Private health insurance coverage varies between insurers and policies, and revision surgery may be assessed on a case-by-case basis.
We’ll provide a detailed cost estimate during your consultation [9].
Coverage varies significantly between insurers and individual policies. Most private health funds consider revision surgery on a case-by-case basis, particularly when it’s medically necessary. We recommend contacting your insurer directly to discuss coverage, and our team can provide supporting documentation for your claim.
Revision surgery is generally more complex due to scar tissue and altered anatomy from your previous procedure. Complication rates are higher than for primary bariatric surgery [6].
However, when performed by experienced bariatric surgeons using modern laparoscopic techniques, revision surgery can be completed safely. We’ll thoroughly discuss your individual risk factors during consultation.
Weight loss varies depending on the type of revision, your starting weight, and your level of commitment to your lifestyle. Many patients achieve meaningful additional weight loss, though results may differ from primary surgery.
Weight loss following revision is generally less than after a first-time procedure [4]. We’ll set realistic expectations based on your specific circumstances.
Common indicators include significant weight regain after initial success, persistent complications like severe reflux or band problems, inadequate weight loss despite following guidelines, or ongoing obesity-related health conditions.
If you’re experiencing any concerning symptoms or outcomes, it’s worth discussing with our team. We can also advise whether a non-surgical option, such as a gastric balloon, may be appropriate before considering reoperation.
We regularly see patients who had their original bariatric procedure performed elsewhere. The main difference is that we’ll need to obtain your previous surgical records and may require additional imaging or endoscopy to understand your current anatomy.
Once we have a clear picture, we can plan the most appropriate revision approach. Your care with us will be the same regardless of where your original surgery was performed.
Dietary guidelines may be similar but often vary depending on your revision type. Some revisions may require stricter or different nutritional protocols than your original surgery.
Our dietitian will provide guidance specifically tailored to your revision procedure and individual needs.
While possible, multiple revisions become increasingly complex with each procedure. Most patients achieve their goals with a single, well-planned revision. However, some circumstances may require additional interventions, which we would discuss thoroughly if necessary [10].
Medical disclaimer
The information on this page is for general educational purposes only. It does not constitute medical advice, diagnosis, or treatment recommendations, and does not create a doctor-patient relationship. Individual circumstances vary significantly, and nothing on this page should be used as a substitute for personalised advice from a qualified medical professional.
If you have concerns about your health, please seek medical attention promptly. To discuss your specific condition and treatment options with our team, please book a consultation by calling us at (03) 9466 7338.
References
[1] Bariatric Surgery Registry. 2023 Annual Report. Monash University, Australian Government Department of Health and Aged Care. https://www.monash.edu/medicine/sphpm/registries/bariatric
[2] Dang JT, Switzer NJ, Wu J, et al. Gastric Band Removal in Revisional Bariatric Surgery, One-Step Versus Two-Step: a Systematic Review and Meta-analysis. Obes Surg. 2016;26(4):866-873. https://doi.org/10.1007/s11695-016-2051-8
[3] Clapp B, Cottam S, Salame M, et al. Comparative Analysis of Sleeve Conversions of the Metabolic and Bariatric Surgery Accreditation and Quality Improvement Program 2020 Database. Surg Obes Relat Dis. 2023;19(7):735-741. https://doi.org/10.1016/j.soard.2023.07.011
[4] Brethauer SA, Kothari S, Sudan R, et al. Systematic review on reoperative bariatric surgery: American Society for Metabolic and Bariatric Surgery Revision Task Force. Surg Obes Relat Dis. 2014;10(5):952-972. https://doi.org/10.1016/j.soard.2014.02.014
[5] Kermansaravi M, Shahmiri SS, DavarpanahJazi AH, et al. One Anastomosis/Mini-Gastric Bypass (OAGB/MGB) as Revisional Surgery Following Primary Restrictive Bariatric Procedures: a Systematic Review and Meta-Analysis. Obes Surg. 2021;31(2):370-380. https://doi.org/10.1007/s11695-020-05079-x
[6] Chang SH, Stoll CR, Song J, et al. The effectiveness and risks of bariatric surgery: an updated systematic review and meta-analysis, 2003-2012. JAMA Surg. 2014;149(3):275-287. https://doi.org/10.1001/jamasurg.2013.3654
[7] Oyefule O, Do T, Karthikayen R, et al. Secondary Bariatric Surgery: Does the Type of Index Procedure Affect Outcomes After Conversion? J Gastrointest Surg. 2022;26:1830-1837. https://doi.org/10.1007/s11605-022-05360-3
[8] Eisenberg D, Shikora SA, Aarts E, et al. 2022 American Society for Metabolic and Bariatric Surgery (ASMBS) and International Federation for the Surgery of Obesity and Metabolic Disorders (IFSO): Indications for Metabolic and Bariatric Surgery. Surg Obes Relat Dis. 2022;18(12):1345-1356. https://doi.org/10.1016/j.soard.2022.08.013
[9] Australian Government Department of Health. Medicare Benefits Schedule. https://www.mbsonline.gov.au/internet/mbsonline/publishing.nsf/Content/Downloads
[10] Daigle CR, Aminian A, Romero-Talamas H, et al. Outcomes of a third bariatric procedure for inadequate weight loss. JSLS. 2014;18(3):e2014.00117. https://doi.org/10.4293/JSLS.2014.00117