The safest bariatric surgery is the gastric sleeve.
The lap band is the easiest weight loss operation to perform and therefore the safest. This surgery involves no cutting of tissue and its associated risks.
All the common weight loss surgery procedures have become fairly safe, compared to 15 or 20 years ago. Among them, the lap band surgery has the lowest risk. However, possible complications include slippage of the band, wearing away (erosion) or infection after having the band for a long time.
The gastric sleeve is fairly safe both in the short and long term.
Gastric bypass has a slightly higher complication rate (less than 5 percent) but allows you to lose more weight and better treat any related medical problems.
The duodenal switch provides excellent weight loss and treatment of associated problems but it associated with a higher risk of complications. The revisional procedures also have more risks (but they are still less than 8 to 10 percent).
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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.