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Gastric Bypass

Gastric Banding

Gastroplasty

Biliopancreatic Diversion (with or without Duodenal Switch) 

What's involved?Staples partition the stomach below the esophagus to make a small pouch. This pouch connects to the lower small intestine, bypassing the upper segment (duodenum).A band constricts the stomach just below the esophagus, creating a small pouch with a narrow outlet to the larger part of the stomach. The band may be adjustable.Staples and a band divide the stomach in two, creating a small pouch below the esophagus, with a narrow outlet to the larger section of stomach.Removes part of the stomach. The small intestine is cut. One end attaches to the stomach. The bypassed segment of small intestine reconnects near the colon.
TypeCombinationRestrictiveRestrictiveCombination
How common is this surgery?Most common -- about 90% of weight loss surgeryCommon -- about 10%-15% of weight loss surgeryRarely doneLess common -- about 5% of weight loss surgery
How much excess weight do people typically lose after surgery?    

in 1 year

38%21%26%53%-68%

in 2 years

62%47%68%70%
Average absolute weight loss    

in 1 year

96 lbs67 lbs71 lbs114 lbs

in 2 years

96 lbs63 lbs88 lbs102 lbs
How well does it work in the long term?    
Average percent weight loss10 years, 25%10 years, 13%10 years, 17%8 years, 60%-70%
What are the risks of surgery?    
DeathLaparo
scopic
OpenLaparo
scopic
OpenLaparo
scopic
OpenLaparo
scopic
Open
DeathLess than 1%Less than 1%Less than 0.1%Less than 1%Less than 1%Less than 1%1%Less than 1%
Internal leaking of the bowel or stomach2%NA1%2%
Internal bleeding2%Less than 1%Less than 1%Less than 1%
Repeat surgery2%8%11%4%
What percent of people have side effects after surgery?    

Gastrointestinal symptoms, such as:

Vomiting
Reflux
Difficulty swallowing

Dumping syndrome

17%7%18%38%
Any nutrient or vitamin deficiency17%NA3%Up to 50%
GallstonesUp to 36%   
How long is the average hospital stay for this surgery?    

Laparoscopic

2 days1 day1 day3 days

Open

3 days4 days4 days
What's the average price of the surgery?    

Laparoscopic

$30,000$22,000$22,000NA

Open

$32,000$39,000$39,000

 

 

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