Question: What percent of gastric bypass surgeries are successful?

Weight loss averages 65% for most patients with over 85% of patients losing and maintaining 50% initial excess weight loss.

What is the failure rate of gastric bypass surgery?

Failure after bariatric surgery is defined as achieving or maintaining less than 50% of excess weight loss (EWL) over 18 to 24 months or a body mass index (BMI) of greater than 35. The failure rate of LRYGB has been reported to be ∼15% with a long-term failure rate of 20–35% and a revision rate of 4.5%.

How many gastric bypass surgeries are successful?

Conclusions. Almost 20% of the patients that undergo bariatric surgery will not lose more than 50% of the EBW during the first 12 months. Some of these patients will probably also fail to reach that goal in the subsequent years.

What is the life expectancy after gastric bypass?

Median estimated life-expectancy gains after bariatric surgery for patients with and without diabetes were 9.3 and 5.1 years, respectively. Treatment effects were similar for gastric bypass, sleeve gastrectomy, and gastric banding, although differences could emerge with larger studies or longer follow-up.

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