Revisional Weight Loss Surgery
You may have had a weight loss procedure in the past or overseas which has led to insufficient weight loss or which has led to problems.
You may have had a weight loss procedure in the past or overseas which has led to insufficient weight loss or which has led to problems.
After gastric bands many patients have problematic reflux and regurgitation limiting their quality of life. These can necessitate removal of the band. Simply removing the band is likely to lead to significant weight regain, often to the patient’s initial pre-band weight. Many people also just do not achieve the expected weight loss they initially hoped for.
Many patients may have insufficient weight loss following a sleeve gastrectomy, or even good initial weight loss and then later weight regain. A SADI-S procedure (which may also incorporate a re-sleeve) is often ideal in these circumstances.
Reflux after a sleeve gastrectomy can also be a major problem. Conversion to a gastric bypass in these patients provides immediate relief to the reflux and will provide some but at times limited further weight loss.
Sometimes further surgery is not wise and if this is our opinion we will tell you. A revisional procedure can be a good option to ensure optimum weight loss – our goal is always a healthy weight for you.
William Robb is an extremely experienced robotic surgeon who has trained extensively in the field of complex surgical procedures for weight loss, the oesophagus and the stomach. Robotic surgery is the optimal way to carry out difficult revisional surgery and maximises patient safety.
We are always happy to discuss what your various options may be. Your Health – We Care.
Submit the form below and we will be in touch soon to take you through the next steps and start your weight loss journey with Blackrock WeightCare
Revisional weight loss surgery is surgery carried out after a previous bariatric procedure, such as a gastric band, gastric sleeve or gastric bypass. It may be considered when the first procedure has not led to enough weight loss, when weight has been regained, or when symptoms such as reflux, regurgitation or other complications are affecting quality of life.
Revisional bariatric surgery may be suitable for patients who have had gastric band problems, insufficient weight loss after a gastric band or sleeve gastrectomy, weight regain after previous weight loss surgery, or severe reflux following a gastric sleeve. Suitability depends on your medical history, previous operation and current health.
Yes. A gastric band can be removed if it is causing problems such as reflux, regurgitation, swallowing difficulty, discomfort or poor quality of life. Some patients also choose band removal because they have not achieved the weight loss they had hoped for.
Weight regain can happen after gastric band removal, particularly if the band is simply removed without another weight loss procedure. Many patients regain a significant amount of weight, sometimes close to their pre-band weight. This is why a full assessment is important before deciding on the safest next step. At Blackrock WeightCare we often remove gastric bands and perform a gastric bypass at the same operation.
Yes, many patients are suitable for another bariatric procedure either at the time of band removal or after gastric band removal. The right option depends on your symptoms, BMI, previous surgery, eating patterns and overall health. Your surgeon will discuss whether a further procedure is appropriate and safe for you.
If you have regained weight after a sleeve gastrectomy, revisional options may include conversion to SADI-S, a re-sleeve in selected cases, or conversion to gastric bypass depending on the reason for the weight regain and whether reflux is present. A careful assessment is needed before deciding.
Yes. SADI-S is an ideal operation to perform for patients with poor weight loss or significant weight regain after sleeve gastrectomy. It is often considered for patients who have had a previous sleeve gastrectomy and have not lost enough weight or have regained weight later on. It may be particularly useful for patients with a higher BMI or metabolic complications such as type 2 diabetes or high cholesterol.
Severe reflux after sleeve gastrectomy can be difficult to live with. In some patients, conversion to a Roux-en-Y gastric bypass may help relieve reflux and provide further weight loss. The best option depends on the severity of symptoms, investigation findings and your overall health.
Revisional weight loss surgery is usually more complex because the anatomy has already been changed and there may be scar tissue from the previous operation. This is why experience, careful planning and the right surgical approach are very important. Robotic surgery provides precision and dexterity and is ideal in this scenario.
Revisional weight loss surgery at Blackrock WeightCare is performed by Mr William Robb, a highly experienced robotic bariatric surgeon with extensive training in complex weight loss, stomach and oesophageal surgery.
Revisional surgery can help some patients achieve further weight loss, especially where the previous procedure has not worked as expected or weight has been regained. Results vary depending on the type of previous surgery, the revision performed and long-term follow-up.
Yes, further weight loss after revisional surgery may help improve obesity-related conditions such as type 2 diabetes, high blood pressure, sleep apnoea, high cholesterol and joint pain. The level of improvement varies from person to person.
The right revision procedure depends on your previous operation, current BMI, reflux symptoms, weight history, medical conditions and surgical risk. A consultation allows the team to review your history and explain your safest options.
Yes. Patients who had weight loss surgery abroad can be assessed at Blackrock WeightCare if they are now experiencing problems, insufficient weight loss or weight regain. It is helpful to bring any available records from your previous surgery.
Revisional bariatric surgery may be covered by private health insurance in some cases, depending on your policy, symptoms, medical need and eligibility criteria. Insurance cover can vary and needs to be pre-approved. The Blackrock WeightCare team can guide you on the information that may be needed for your insurance query.
The first step is to make an enquiry with Blackrock WeightCare. The team will review your previous weight loss surgery, current concerns, BMI, symptoms and medical history before advising on the next steps. You can submit the enquiry form on the page or call 01 255 2479.
Emer O’Driscoll holds an MSc in Nutrition and Dietetics from the University of Ulster, Coleraine (2014). Emer has experience in clinical and outpatient settings, in particular, her passions are intuitive eating, counselling, and weight management. Emer is actively involved in the support of patients before and after weight loss surgery. She recognises the importance of consistent follow-up care with a dietitian through your pre and post-surgical journey.
She holds a certificate in Motivational Interviewing from the National Institute for Preventive Cardiology (NIPC) and is a Certified Intuitive Eating counsellor. Emer developed and leads the SUCCEED Programme. She is a member of the Irish Nutrition & Dietetic Institute (INDI) and a CORU registered dietitian.
David Johnston is a Senior Dietitian at Blackrock WeightCare. He holds a BSc in Human Nutrition and Dietetics from Trinity College Dublin and TU Dublin, and has completed additional training in behaviour change skills and the delivery of evidence-based obesity management.
David has worked in rehabilitation and integrated care services in both Ireland and Australia, supporting patients living with obesity, diabetes and other long-term health conditions. Chronic disease management has been a key area of interest throughout his career, and he understands the importance of a multidisciplinary approach when supporting people with obesity.
As part of the Blackrock WeightCare team, David provides education and follow-up care for patients before and after surgery. He helps patients prepare for surgery, supports them as they adjust to changes in eating and drinking afterwards, and works with them to build sustainable habits that support long-term health and weight management.
David is a CORU registered dietitian and a member of the Irish Nutrition and Dietetic Institute (INDI). His approach is practical and patient-centred, with a focus on helping patients better understand their nutrition and managing it in a way that works for them.
Niamh Forster is a Senior Dietitian at Blackrock WeightCare, with 6 years of experience working with people living with obesity and supporting them with practical nutrition and lifestyle advice. She has worked in both clinical and outpatient settings, including weight management, and has a particular interest in supporting patients before and after bariatric surgery.
Niamh holds a BSc in Human Nutrition and an MSc in Clinical Nutrition and Dietetics from University College Dublin, completed in 2020. She has also completed further training in Behaviour Change, Intuitive Eating Counselling and Nutrition for PCOS.
She is a CORU registered dietitian and a member of the Irish Nutrition and Dietetic Institute (INDI).
As part of the Blackrock WeightCare team, Niamh supports patients in making sense of the dietary changes that come with bariatric surgery and helps them build habits that are realistic, manageable and suited to everyday life. Her approach is practical, evidence-based and centred around the individual, with a strong focus on supporting patients in a way that feels steady, respectful and achievable.
Nikki O’Toole is a Bariatric Candidate CNS at Blackrock WeightCare, with over 18 years of nursing experience and a strong background in surgical nursing. She has worked in Blackrock Clinic for more than 10 years, caring for bariatric patients at ward level and now supporting patients throughout their journey before and after surgery.
Nikki holds a BSc Degree in Nursing and has recently completed a course in An Integrated Approach to Cardiometabolic Chronic Disease. In her role, Nikki provides education, preparation and ongoing support to patients at each stage of their journey. She helps patients feel informed and ready for surgery, and continues to support them after their procedure, both during their hospital stay and long after they go home. She understands how important it is for patients to feel reassured and know that support is always there when they need it.
Nikki gets great fulfilment in being part of transformation for patients and their families. She is committed to helping each patient feel cared for and confident throughout their time with Blackrock WeightCare.
Susan Healy is a Bariatric Clinical Nurse Specialist (CNS) at Blackrock WeightCare, with more than 20 years of nursing experience and a long-standing specialist interest in bariatric care. She first began working with bariatric patients in Australia almost 19 years ago and has been caring for bariatric patients in Blackrock Clinic for the past 10 years. She became a Bariatric CNS in June 2024.
Susan holds a BSc Degree in Nursing and is a Registered Nurse (RN) and Certified Bariatric Nurse (CBN) through the American Society for Metabolic and Bariatric Surgery (ASMBS). She is also a member of BOMSS, the British Obesity and Metabolic Surgery Society.
In her role, Susan supports patients right through their bariatric journey, both physically and emotionally, with a strong focus on education, reassurance and ongoing care. She is a steady point of contact before and after surgery, helping patients feel informed, prepared and well supported. Susan is passionate about providing patient-centred care and believes that people should be met with compassion and respect at all times. She takes great satisfaction in seeing the positive difference bariatric surgery can make and is committed to making sure each person feels listened to and supported throughout their journey.
Dr Matilde Mijares Zamuner is a Consultant Endocrinologist and Diabetologist at Blackrock WeightCare, with a particular interest in obesity, diabetes and the medical management of weight-related conditions. She graduated from medical school at the Central University of Venezuela in Caracas and completed her Higher Specialist Training in Endocrinology, Diabetes and Nutrition at Alicante University Hospital in Spain in 2013. She also completed a Master’s Degree in Clinical Research in Spain.
During her specialist training in Spain, she gained extensive experience in the management of metabolic conditions, including obesity and related conditions such as type 2 diabetes, high blood pressure and high cholesterol. She moved to Ireland in 2014 and completed a research fellowship in diabetes at the Mater Misericordiae University Hospital.
As part of the Blackrock WeightCare team, Dr Mijares Zamuner supports patients by assessing hormonal, metabolic and nutritional factors that may be contributing to weight gain, including conditions such as PCOS and thyroid disease. She also works closely with patients before and after bariatric surgery and is involved in the medical treatment of obesity, including prescribed medication where appropriate.
Dr Mijares Zamuner is a member of the Irish Endocrine Society, the Spanish Endocrine and Diabetes Society, the European Society of Endocrinology and the Royal College of Physicians of Ireland. Her approach is centred on helping patients understand obesity as a chronic disease and supporting them in a clear and compassionate way to improve their long-term health and quality of life.
Achille Mastrosimone is a Consultant General and Upper Gastrointestinal Surgeon with a specialist interest in upper gastrointestinal surgery, diagnostic and therapeutic endoscopy, and bariatric and metabolic surgery. He works across Connolly Hospital, Hermitage Clinic and Blackrock Clinic, and is also an Honorary Clinical Senior Lecturer at RCSI University of Medicine and Health Sciences.
He holds an MD, a PhD in Clinical and Molecular Oncology, a Professional Diploma in Clinical Leadership from RCSI, and a Master in Bariatric and Metabolic Surgery from Gemelli Hospital, Rome.
As part of the Blackrock WeightCare team, he supports patients through pre-operative endoscopic assessment and post-operative endoscopic follow-up.
Excitingly, Achille also brings expertise in endobariatric procedures, including TORe (Transoral Outlet Reduction), to help manage post-bypass weight regain and dumping syndrome.
Achille is registered on the Irish Medical Council Specialist Register in General Surgery and is a member of IFSO (International Federation for the Surgery of Obesity and Metabolic Disorders), ESGE (European Society of Gastrointestinal Endoscopy), ISDE (International Society for Diseases of the Esophagus) and EAES (European Association for Endoscopic Surgery).
His approach is centred on giving patients clear, compassionate and personalised support, helping them feel informed, reassured and well cared for before and after endoscopy.
Dr Finian Fallon provides psychological support and assessments for patients seeking bariatric surgery at Blackrock WeightCare. He works closely with bariatric teams in Ireland and has a strong interest in supporting patients as they prepare for surgery and adjust to the changes that come with it.
Finian has contributed to research and published work in the area of obesity, and was previously a Research Fellow at St Vincent’s University Hospital, where he provided group support for people living with obesity. He has also worked as Dean of Psychology at a private college in Dublin, where he developed education programmes in areas including CBT, addiction and traumatology.
His academic work has included External Examinerships and supporting PhD students in their development. He has also presented at the SCOPE School on Obesity, an internationally recognised training programme in obesity led by experts in the field.
Finian has a particular interest in the psychological impact of obesity, including the effect of stigma and self-stigma on people’s lives. He is also very aware of the role trauma can play for some patients living with obesity. His research includes a widely reported study on trauma and wellbeing among more than 2,000 members of An Garda Síochána.
His approach is thoughtful, respectful and compassionate, with a strong focus on helping patients feel understood, supported and well prepared throughout their journey.
Professor John McDermott is Consultant Endocrinologist at the Hermitage Medical Clinic. Working closely with Mr Robb and the team at Blackrock WeightCare, he supports patients through their weight loss journey with a focus on metabolic health, endocrine assessment and long-term aftercare. He plays an important role in guiding patients before and after bariatric surgery, and supporting them as they adjust to the hormonal, metabolic and lifestyle changes that follow treatment.
Professor McDermott graduated from the University of Galway with first-class honours and the gold medal for first place in medicine. Following his specialist training, he was appointed as a Consultant Endocrinologist in 2007. He has extensive experience in endocrinology, diabetes and general internal medicine, and a strong commitment to clinical research and medical education.
Dr Conor Woods is an Endocrinologist and Bariatric Physician at Blackrock WeightCare, with specialist interests in obesity medicine, endocrinology and diabetes. He completed his undergraduate medical training at RCSI and his Higher Specialist Training in Endocrinology in Ireland. He also holds a PhD from UCD in steroid metabolism and obesity, and completed a fellowship in Oxford.
Dr Woods supports patients with the medical assessment and management of obesity and related metabolic conditions. As part of the multidisciplinary team, he helps ensure patients are well informed, appropriately assessed and supported throughout their care.
Barkha Jain is the Digital Marketing Manager at Blackrock WeightCare, with over 20 years of experience in advertising, marketing and business development. She holds a Bachelor’s degree in Journalism and Mass Communication from DAVV University, India, and a Master’s degree in Digital Marketing from UCD, Ireland.
For the past 10 years, she has specialised in healthcare marketing, working with surgeons across bariatric surgery, plastic surgery, respiratory medicine, IVF and orthopaedics. Before moving to Ireland, she founded a digital marketing agency in India in 2016 and worked with healthcare clients across the country, including spending 8 years with Mohak Bariatrics, an internationally renowned bariatric service in Indore, India. Barkha has facilitated a collaboration between Mohak Bariatrics and Blackrock WeightCare – a connection we are proud to have established.
Her work is rooted in a genuine belief that healthcare communication should do more than promote services. It should bring clarity, build trust and help people make informed decisions for their health and wellbeing.
Susan Anderson is a Patient Co-Ordinator at Blackrock WeightCare and is often the first point of contact for patients enquiring about weight loss surgery. Susan speaks with patients by phone to guide them through the process, answer their questions and provide clear information about the process from first appointment, assessment for surgery and our dedicated follow up program of care. She follows up with detailed information on the next steps, helping patients feel informed from the outset.
Susan also attends clinics and values meeting patients in person, offering support as they move through different stages of treatment. She understands that reaching out about bariatric surgery can feel like a big step and how important it is for patients to be given time, information and reassurance to make the decision that is right for them.
With almost two decades of experience working in a hospital setting, Susan is committed to helping each patient feel comfortable, informed and well supported from their first contact with Blackrock WeightCare.
Lucy O’Shea is a Patient Co-Ordinator at Blackrock WeightCare, where she supports patients throughout all phases of their treatment – from bariatric surgery, to medical follow up with optimisation of health and weight and then also co-ordinating body contouring surgery for those patients who require this final phase.
Lucy helps guide patients through each stage of the process, from explaining what to expect and preparing them for consultations to providing support before and after surgery.
Working closely with the clinical team, Lucy ensures that patients feel informed, supported and reassured throughout their journey to better health. She understands that this can be a significant step, and Lucy is committed to making the experience as comfortable and straightforward as possible.
Lucy helps each patient feel heard, supported and at ease throughout their care with Blackrock WeightCare.
Maria Cray is the Practice Manager at Blackrock WeightCare, with over 20 years of experience managing busy private surgical clinics. Before joining the team, she spent two decades as Practice Manager for a consultant eye surgeon, where she ran a successful multi-staff practice and supported patients through every stage of their care.
She brings a calm, organised and caring approach to the role, with a great understanding of what patients need from specialist care. From coordinating appointments and referrals to helping manage surgical schedules, Maria plays a central role in ensuring that every patient’s experience is as smooth as possible.
WIth the whole team, Maria creates a welcoming and professional environment where patients feel supported, informed and genuinely cared for throughout their journey with Blackrock WeightCare.
