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Department of Surgery
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 Obesity

Columbia University Center for Metabolic and Weight Loss Surgery
Surgical Procedures & Innovations  Obesity Surgery Revisions


Obesity Surgery Revisions

Incisionless Procedure to treat Weight Regain after Gastric Bypass Surgery

EndoSurgical Operating System
EndoSurgical Operating System

The Columbia University Center for Metabolic and Weight Loss Surgery is conducting a study to investigate a new, less invasive surgical option to treat weight regain in post-gastric bypass patients. If you were originally successful with your bypass surgery but now find yourself regaining some of your lost weight, you may be a candidate for the EROS procedure.



Adjustable Banded Gastric Bypass as a Revision of Gastric Bypass

Proximal Roux en Y bypass is the most common weight loss surgery in the United States. For patients who experience weight gain after gastric bypass, surgeons at the center have developed a procedure in which an adjustable band is placed on top of their bypass, allowing control of the size of the stretched tissue and offering the option to tighten the band in to prevent weight gain. This procedure may have less risk than other revisional options.

We also convert failed gastric bypass to duodenal switch.

Banded Gastric Bypass as a Revision of Gastric Banding

Lap Band Most commonly used bariatric procedure worldwide.
The gastric banding procedure.
Upper GI x-ray of a banded gastric bypass.
Upper GI x-ray of a banded gastric bypass.

If you originally had a gastric banding procedure, weight gain may occur if the band slips or if you have trouble tolerating the tightening of the band. Surgeons at the center can reposition the band, or they can add a gastric bypass, leaving the band in place, a procedure created by surgeons at the center. This allows doctors to operate on a fresh portion of the stomach rather than a scarred area, and save the adjustability of the band to enhance the overall results. Because the procedure does not involve stapling over scarring, it offers the effects of a bypass without the risks of revision surgery.

We also convert vertical banded gastroplasty into banded gastric bypass.

Endoscopic Sclerotherapy

Another option your doctor may choose is to tighten tissue that has stretched following gastric bypass. This is accomplished by scarring the opening between the stomach pouch and the intestine through injection of an acidic solution (this technique is also known as sclerotherapy). The scarring narrows the opening, slowing the exit of food from the stomach pouch and enabling patients to better restrict food intake. This procedure can be performed using a scope placed through the mouth, avoiding further incisions.


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