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Gastric Balloon

Overview

What is a Gastric Balloon?

A gastric balloon is a non-surgical weight loss procedure, often referred to as an intragastric or endoscopic gastric balloon. For individuals not suitable for a permanent surgical alteration like a sleeve or bypass or wish to avoid it, but still struggle with obesity, it serves as a useful tool.

The procedure is straightforward. A soft, deflated silicone balloon is inserted into the stomach via a thin, flexible camera called an endoscope through the mouth. The balloon is filled with a sterile saline solution and then roughly expands to the size of a grapefruit. It takes up significant space in the upper stomach, creating an immediate and constant sensation of fullness. It helps the patient feel satiated for longer periods by physically limiting the volume of food that can be consumed in one sitting.

An endoscopic gastric balloon, unlike bariatric surgery, involves no incisions. No cutting of the stomach or bowel is performed, and no permanent anatomical change is made. It acts as a temporary but powerful aid for portion control and appetite suppression and remains in place for six months which gives patients a structured window to reset their eating habits.

Types of Gastric Balloon

The most commonly placed device is the six-month, fluid-filled balloon, such as the FDA-approved Orbera® system. This balloon is inserted and removed endoscopically and is ideal for patients with a BMI between 30 and 35 needing significant, structured intervention to lose 10-20% of their total body weight.

We also offer a swallowable gastric balloon, for individuals with a slightly lower BMI, or those seeking a procedure without sedation or endoscopy. This is a capsule containing a deflated balloon attached to a fine delivery catheter. The patient swallows the capsule and when its position is confirmed via X-ray, the balloon is then filled with fluid. It later passes naturally. This option is truly incision-free, carrying no risk of sedation.

Six-month and twelve-month adjustable balloons are also available for selected candidates. A small port allows the specialist to adjust the fluid volume under endoscopic guidance. This means the level of restriction can be fine-tuned according to how well the patient is tolerating the balloon and whether their weight loss has started to plateau.

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A gastric balloon isn't typically for someone with a BMI over 40. For that group, surgery tends to offer more substantial and lasting results. Where it does work well is for patients sitting in that BMI range of 30 to 35 who have genuinely tried, and struggled, to shift weight through diet and exercise alone. It's also a strong option for those with a BMI above 35 who are carrying too much surgical risk due to heart or lung problems. In those cases, we use the balloon as a bridge to a safe sleeve or bypass down the line.

There are patients who just aren't sure about permanent surgery. They want to know what real restriction actually feels like before committing to something irreversible with a balloon allowing that. For someone dealing with pre-diabetes, high blood pressure or PCOS, where losing 10 to 15 percent of body weight can genuinely improve fertility or metabolic health, it can serve as the exact solution needed.

First, we take the time to understand a patient's weight history, what they've tried before, their eating patterns and any underlying gut conditions. Certain issues like large hiatus hernias, severe oesophagitis or active stomach ulcers need to be ruled out as if they're present, a balloon isn't the right option. A thorough assessment ensures we're recommending something that's genuinely safe and suited to them. A GI endoscopy is performed to examine the oesophagus, stomach lining and duodenum carefully. This takes place during the same session as the balloon placement itself. Significant inflammation, ulcers or abnormal growths are all reasons to postpone balloon placement.

We also take time to assess whether a patient is psychologically ready for the procedure. The gastric balloon isn't a passive tool, it requires active participation. Patients need to be willing to follow a structured dietary plan and attend regular follow-up appointments with our bariatric dietitian. Being honest about this commitment upfront is part of ensuring the right fit.

We tailor balloon systems according to the patient's BMI, goals and anatomy, recognising that one weight loss tool does not fit all. We believe the gastric balloon is not merely a device insertion, but a catalyst, and with education and habit changes, lasting results can be achieved.

The 20-to-30-minute procedure is performed under mild sedation. The deflated balloon is passed through an endoscope into the stomach and filled with saline and methylene blue dye. If a leak occurs, urine turns blue-green, providing an early warning. Patients are monitored post-procedure and may find the initial days the most challenging. They can experience nausea, cramping and reflux as the stomach adjusts. We provide comprehensive medication to manage symptoms and remain in close contact throughout this settling-in period.

Over the following six months, the patient works intensively with our bariatric dietitians who provide the education behind the restriction like how to progress from liquids to solids, distinguishing true hunger from emotional triggers, and how to structure meals safely.

At the six-month mark, the balloon is removed during a brief endoscopic procedure, often quicker than the insertion, but critically, the programme does not end there. We provide a further six months of structured dietary and behavioural support to cement the habits learned while the balloon was in place. This helps prevent the rapid weight gain that can occur when the tool is removed without a plan. Whether a patient is seeking a gastric balloon Dubai, gastric balloon Abu Dhabi or gastric balloon Sharjah, the programme structure is identical and integrated.

Consultant gastroenterologists and bariatric physicians who hold specialist training in advanced endoscopy and therapeutic bariatric lead our gastric balloon programmes and dedicated teams of bariatric dietitians and clinical nurse coordinators support them.

At NMC, our specialists guide with transparency. The gastric balloon is never presented as an easy alternative to effort. Our consultants are clear, explaining exactly what the balloon feels like, the expected side effects and the reality of weight loss, which averages 10-15% of total body weight typically. This is different to the dramatic losses seen with surgery. Transparency is always appreciated by our patients, allowing them to enter the programme with realistic expectations and a clear understanding of their role in its success.

FAQs

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Frequently Asked Questions

Performed under sedation, the insertion itself is not painful. The first three to five days post-insertion, however, can be uncomfortable where nausea, cramping and a feeling of fullness are normal. To manage this, we provide anti-nausea and anti-spasmodic medication and within a week, most patients report feeling adjusted and comfortable.
It’s very rare, occurring in less than 1% of cases. It only happens if the balloon deflates spontaneously and migrates into the small intestine. This is why the blue dye is added as it provides an immediate visual warning of a leak. Patients are instructed to look for blue or green urine and to contact us immediately if this occurs.
Yes. Immediately after the first or at a later date, some patients opt for a second balloon. For patients who have successfully lost weight, we generally encourage them to maintain that loss through lifestyle changes. A second balloon is recommended only for those who’ve regained significant weight due to circumstances beyond their control.
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