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Lap Band Compared to Gastric Bypass Surgery

In Gastric Sleeve, Lap Bands, Weight Loss Surgeries by OC Staff

Both procedures are effective and both carry certain risks and benefits. Which is right for you?

Procedure Gastric Bypass Lap Band
Operative Time 2 Hours 45 Minutes to 1 Hour
Complication Rate Low Low
Death Rate Low Very Low
% Weight Loss 65% to 85% 30% to 55%
Reversible No Yes
Cost 25k 15k
Insurance Cover? Yes Yes
Appetite Suppression Yes No

Gastric Bypass Surgery

Laparoscopic gastric bypass forces a patient to lose weight. And that is why most doctors consider laparoscopic gastric bypass the standard to which other weight loss surgeries should be compared. Check out our expected weight loss calculator to find out how much you can expect to weigh after gastric bypass surgery.

  • Risks with gastric bypass surgery are more serious.
  • A leak along the new stomach or the re-routed intestines can lead to death.

Both surgeries carry a low overall complication rate when performed with an experienced surgeon. Many patients report a decreased level of hunger after surgery. Gastric Bypass removes part of the stomach that produces ghrelin. Ghrelin is the hormone responsible for hunger!

Lap Band

This procedure is very effective when patient’s are able to follow the post-operative nutritional guidelines. While both surgeries require a lifestyle and diet change, lap gastric banding relies solely on restriction to lose weight (gastric bypass uses restriction and reduces calorie absorption). Once the food passes the band, a patient can eat once again.

  • Often this leads patients who snack to snack more often because they remain hungry.
  • Lap Band patients still feel hungry and that may be the reason that bypass patients lose more weight.

Key Differences

  • Both surgeries are effective for weight loss in patients that are morbidly obese.
  • Ultimately, an honest evaluation of your lifestyle, ability to change your diet, and input from your surgeon should determine your bariatric procedure.


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