Gastric sleeve surgery changes the size of your stomach by removing about 75% of the lower part of the stomach, creating a thin, vertical tube the size and shape of a small banana.
The new stomach tube has a significantly smaller volume than the normal stomach and helps to significantly reduce the amount of food (and therefore calories) that can be consumed. But the bigger effect is on gut hormones, which influence a number of factors such as hunger, satiety and blood sugar control.
Health Benefits
- It causes rapid and significant weight loss, which comparative studies have found to be similar to gastric bypass.
- It does not require bypassing or redirecting the food flow.
- It involves a relatively short hospital stay of about 2 days.
- It causes positive changes in gut hormones that suppress hunger, reduce appetite and increase the feeling of satiety.
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