How ESG and the Gastric Balloon Actually Work

The quick difference

• ESG reshapes the stomach into a narrower sleeve using sutures (stitches) placed through an endoscope - a thin camera passed via the mouth. The stomach itself is made smaller.
• Gastric balloon places a soft balloon inside the stomach and fills it, so the balloon takes up space and leaves less room for food. The stomach's shape is unchanged; something is simply occupying it.

Both are done endoscopically, with no external cuts. The core distinction is reshaping the stomach (ESG) versus filling space within it (balloon).

How each one works

ESG uses sutures to fold the stomach inward. Because the stomach's capacity is genuinely reduced and it empties more slowly, you feel satisfied sooner. With ESG combined with lifestyle changes, patients generally lose about 15-20% of body weight within a year; results vary by individual.

The gastric balloon reduces available space so smaller portions feel filling. It is generally a shorter-term tool: the balloon is designed to stay in place for a defined period and is then removed. It can be a helpful starting point or a step for people who want a less involved, time-limited option.

Duration and reversibility

This is one of the biggest practical differences:

• Gastric balloon is temporary by design. It is removed after its set period, which some people find reassuring as a "try it for a while" approach.
• ESG does not remove any stomach tissue, but the reshaping is intended to last and is not a device that is simply taken out. It represents a more durable structural change while still being non-surgical.

Neither approach removes part of the stomach, which sets both apart from certain surgical procedures.

Recovery and daily life

Both are minimally invasive and typically allow a return home the same day, and both involve a staged reintroduction of food afterwards. With the balloon, some people experience an adjustment period of nausea as the body gets used to it. With ESG, mild fullness or cramping can occur early on. In both cases, many people recover quickly, and your team guides the eating stages.

Which might fit you?

There is no single "better" option - only what fits your situation. In broad terms:

• A gastric balloon may appeal if you prefer a shorter-term, removable option or a first step, and your health picture suits it.
• ESG may appeal if you are looking for a more durable non-surgical change and are ready to commit to the lasting habits that protect results.

Crucially, both are tools that work alongside lifestyle change. Neither succeeds on its own, and weight can return without habit change regardless of which you choose. The right match depends on your BMI, health, goals, and preferences - best determined through an individual assessment.

A note on expectations

Whichever route you consider, honest expectations serve you best. These are supportive tools within a physician-led program of nutrition, activity, and follow-up - not stand-alone solutions. Framing them that way tends to lead to the most satisfying outcomes.

Compare your options with a physician

The clearest way to choose between ESG and a gastric balloon is a proper assessment of your health and goals.

To find out whether ESG suits your goals, our medical team can arrange an initial assessment. Contact us on LINE (@younifyclinic) or WhatsApp +66 81 556 9696.