Gastric Bypass / Sleeve versus Lap Band Surgery

By 27th May 2016Latest News

When you have to make a choice, how do you decide which type of bariatric surgery is best for you? Like many other patients before you, you may know you want to undergo weight loss surgery, but you just aren’t sure which procedure to choose. Set up a weight loss consultation with one of our bariatric surgeons to see which one is best suited to your personal situation.

Weight Loss Procedure Lap Band Gastric Sleeve
Lap-Band Gastric Sleeve
Approach to Weight Loss
  • Restrictive
  • Limits amount of food that can be eaten
  • Slows digestion
  • Creates satiety
  • Restrictive
  • Limits amount of food that can be eaten
  • Reduces hunger sensations
Anatomy Changes
  • Stomach
  • Creates a new small (1-2 oz) stomach pouch by placing an adjustable silicone band around top part of stomach
  • Stomach
  • Reduces stomach size by removing 60% to 80% of the stomach along the greater curvature, leaving only a narrow tube
Dietary Guidelines
  • 800 calories per day during weight loss period (2-3 years)
  • 1000-1200 calories per day, once goal weight is achieved
  • eat protein-rich foods
  • avoid fibrous, dry, or doughy foods as they can get stuck if eaten
  • avoid high fat and high calorie foods
  • drink 6-8 cups of water a day
  • avoid carbonated drinks
  • 600 to 800 calories per day during weight loss period (1-2 years)
  • 1000-1200 calories per day, once goal weight is achieved
  • eat protein-rich foods
  • avoid high fat and high calorie foods
  • drink 6-8 cups of water a day
  • avoid carbonated drinks
Eating Habits
  • eat 3 small meals a day
  • avoid snacking
  • no drinking with meals
  • eat slowly and chew food thoroughly
  • eat five small meals a day
  • avoid snacking
  • do not eat and drink at same time
  • chew food thoroughly
  • do not lay down or rest horizontally after eating
Nutritional Supplements
  • Multivitamin
  • Calcium
  • Multivitamin
  • Calcium
  • Vitamin B12
Operating Time
  • 1 hour
  • 1 hour
Hospital Stay
  • less than 24 hrs – overnight
  • Average of 2 – 3 days
Time off Work
  • 1 week
  • 2 weeks
Recovery Time
  • 2 weeks
  • 3 – 4 weeks
Surgery Method
  • Laparoscopic
  • Laparoscopic
Adjustable
  • Yes
  • No
Reversible
  • Yes
  • No
Medical Implant
  • Yes
  • No
Surgery Risks and Disadvantages
  • General surgical risks including infection
  • Band slippage (<5%), band erosion (<1%), or port problems
  • Stoma obstruction
  • Band needs fills and adjustments by doctor
  • Requires more patient effort for initial weight loss than with gastric bypass or duodenal switch
  • General surgical risks, including blood clots, bleeding, infection, and pneumonia
  • Leakage at stomach suture/staple edge
  • Not reversible
  • Requires more patient effort for initial weight loss than with gastric bypass or duodenal switch
  • Some insurance companies consider it experimental and do not approve coverage
Surgery Benefits and Advantages
  • Simple and relatively safe procedure
  • Reversible
  • Adjustable
  • Does not remove or alter any part of the stomach or intestines
  • Short hospital stay
  • Quick recovery period
  • Low malnutrition risk
  • Low rate of major complications
  • Does not require a medical device implant into body
  • Pyloric valve and small intestine are kept intact
  • Reduces hunger (the portion of stomach that produces Ghrelin, the hunger stimulating hormone, is removed)
  • Option for patients who do not qualify for band or bypass
  • Few food intolerances
  • Low malnutrition risk
  • May be converted to gastric bypass or duodenal switch for additional weight loss
  • Revision option for gastric band patients
Average Weight Loss
  • Slow and steady rate of weight loss
  • Settles at final weight 3-4 years after surgery
  • 40-50% weight loss after 1 year
  • 55% weight loss after 5 years
  • Quicker rate of weight loss
  • Short term results primarily favorable, especially in low BMI patients (BMI 35 – 45)
  • Expected weight loss an average of 55% of excess weight at 2 years
  • Long term results not yet available

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