Gastric Bypass is a common operation for weight loss in patients with severe obesity.

Much data has proven that the laparoscopic approach to RYGB results in decreases in hospital stay, intraoperative blood loss, postoperative pain, pulmonary complications, and wound infections. Studies have shown a steep learning curve for the laparoscopic gastric bypass, and a possible increased rate of postoperative internal hernia (a surgical emergency.) Despite this, it is now considered safer and more cost-effective than traditional, open RYGB.

Today over 90% of gastric bypasses performed for weight loss are done laparoscopically. Despite being one of the most challenging, minimally invasive operations, it has become the most common foregut surgery performed in the United States. Of the many ways to perform this surgery, the fundamentals of each technique remain the same.

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