How much weight will I lose after weight-loss surgery?


After gastric bypass surgery and gastric sleeve surgery, patients can expect to lose between 60% and 75% of excess weight. Some patients regain weight after their surgery and it has been shown that patients can keep off between 25% and 60% of excess weight over a ten year period. Following gastric band surgery patients typically lose around 50% of their overall weight initially but many struggle to maintain the results if they don’t drastically change their lifestyles.

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