Gastric bypass

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Adjustable gastric banding	Biliopancreatic diversion (BPD)	Biliopancreatic diversion with duodenal switch	Dumping syndrome
Roux-en-Y stomach surgery for weight loss	Vertical banded gastroplasty

Gastric bypass surgery may be an option if you are significantly obese and have tried unsuccessfully to lose weight on diet and exercise programs and are unlikely to lose weight successfully with non-surgical methods.

Gastric bypass surgery is not a "quick fix" for obesity. The surgery can take several hours and has risks and possible complications. For example, vomiting following the surgery is not uncommon because of eating more than the new, small stomach can accommodate.

Your commitment to diet and exercise must be very strong because even after the surgery, you must adhere to these lifestyle changes. Otherwise, complications from the surgery are likely to develop.

The procedure may be considered for obese individuals who have:

• A Body Mass Index (BMI) of 40 or more. BMI is a calculation based on height and weight that is used to determine whether you are of normal weight or are overweight. Someone with a BMI of 40 or more is at least 100 pounds over their recommended weight. A normal BMI is between 18.5 and 25.
• A BMI of 35 or more along with a life-threatening illness that can be made better with weight loss, such as sleep apnea, type 2 diabetes, and heart disease.

LAPAROSCOPY

Not everyone is a candidate for the laparoscopic (minimally invasive) approach. You are probably NOT a good candidate for laparoscopy if you weigh more than 350 pounds. Others who have had past abdominal surgery may also not be candidates, due to scar tissue. Your surgeon will determine the best and safest approach for you.

Review Date: 05/15/2006
Reviewed By: Eugene A. Trowers, Jr., MD, MPH, FACP, Department of Gastroenterology, Florida State University College of Medicine, Assistant Dean, Tallahassee Regional Campus, Tallahassee, FL. Review provided by VeriMed Healthcare Network.