1. Lauren Lim, Shaili Mehta, Lisa Yu
Bariatric Surgery
Lauren Lim, Shaili Mehta, Lisa Yu
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2. Overview Purpose: Weight Loss surgery
Restricts the amount of food the stomach can hold
Malabsorption of nutrients
Causes hormonal changes
Used in cases of severe, unremediated obesity
Mostly performed by minimally invasive techniques (laparoscopic surgery)
Minimally invasive techniques/laparoscopic techniques - the surgeon makes small incisions and uses advanced technology and specialized equipment to help guide the surgery
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3. History 1950s - Jejunoileal Bypass 1960s - Gastric Bypass
First operations for the purpose of weight loss
Many complications that resulted in the required reversal of the procedure
1960s - Gastric Bypass
Developed by Drs. Mason and Ito
Inspired from partial stomach removal for ulcers
Adjustable Gastric Band
Introduced by Wilkinson
Biliopancreatic Diversion with Duodenal Switch (BPD/DS)
First performed by Dr. Doug Hess
jejunoileal bypass - Induced state of malabsorption
Bypassed most of intestines while keeping stomach intact
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4. When It’s Used BMI must be greater than 40
BMI of with conditions such as high BP, diabetes, asthma
BMI of with diabetes or metabolic syndrome
BMI = body mass index
Bariatric surgery is used on people who are obese.
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5. Types Gastric Bypass (Roux-en-Y) Sleeve Gastrectomy
stomach divided into two parts to create small stomach pouch and small intestine is brought up to new stomach pouch
Sleeve Gastrectomy
removes approx % of stomach, resulting in a sleeve-like/tube-like structure
Adjustable Gastric Band
slow consumption of food with an inflatable band around upper part of stomach
Biliopancreatic Diversion with Duodenal Switch (BPD/DS) Gastric Bypass
removes around 70% of stomach and reroutes food away from small intestine
Gastric bypass- bypasses most of the stomach
Most common
Ruin why!!!!!!
Sleeve gastrectomy - just
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6. Diagram of Gastric Bypass (Roux-en-Y)
Bypassed portion of stomach
Esophagus
New gastric pouch
Bypassed duodenum
Jejunum
Most common type of bariatric surgery
The surgeons often connect the jejunum part of the small intestine into the new gastric pouch, which allows the food to bypass a large portion of the stomach and the duodenum.
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Drawn by Lauren Lim

7. Diagram of Open Gastric Bypass Bariatric Surgery
Before Surgery
After Surgery
Stomach
Pouch
Flow of Food
Staples divide stomach
Part of stomach and duodenum is bypassed
Jejunum
Duodenum
Jejunum
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Drawn by Shaili Mehta

8. Diagram of Closed (Laparoscopic) Bariatric Surgery
10-12 mm
5mm for liver retractor
Camera
10-12 mm
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Drawn by Shaili Mehta

9. Effectiveness & Complications
Helps patients lose weight quickly
Treats Type II diabetes effectively
Psychological health improves
Improves high blood pressure
Complications:
Hemorrhage
Infection
Gastric Dumping Syndrome
Hernias (long term)
Pneumonia
Gallstones (due to rapid weight loss)
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10. Works Cited Enoyreve Tub erom ekil on eno
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obesity.aspx
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