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Gastric Ring Surgeries - eg. Silastic Ring Vertical Banded Gastroplasty

Use of Gastric Rings in Stomach Bypass and Gastroplasty
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Gastric Ring Surgery

Bariatric surgeons use gastric silastic rings in both gastroplasty and gastric bypass operations to maintain the function and width of the stoma. A silastic ring is flexible, but inelastic, so is particularly useful for this stoma-maintenance role.

Silastic Gastric Ring in Gastroplasty

In vertical banded gastroplasty, through the use of gastric staples, the stomach is divided into two sections - an upper (proximal) stomach pouch and a lower (distal) stomach section. A small gap (stoma) in the staple-line is left to allow digested food in the pouch to pass through into the distal stomach. Because the upper stomach pouch is so small (egg-size, compared to melon-size before the operation), the patient feels full very quickly and therefore calorie-intake is drastically reduced. However, because the muscular stomach wall has a tendency to stretch, the stoma can widen thus permitting greater food and calorie intake. To reduce this possibility, weight loss surgeons place a silastic ring as a sort of "collar" around the stoma, to prevent stretching and enlarging of the passage into the lower (distal) stomach.

Silastic Ring in Gastric Bypass

The successful utilization of silastic gastric rings to control the stoma size in vertical banded gastroplasty, has led bariatric surgeons to use both silastic rings and Marlex bands in gastric bypass procedures, (eg. Fobi Pouch) to maintain the stoma size and reduce stretching. Ring circumference is typically larger than that provided for in primary bariatric procedures, so that their regulatory effect is only triggered after some degree of stretching of the pouch has occurred. A Silastic Ring Gastric Bypass with a 6.0 cm ring achieves equivalent weight loss to one with a 5.5 cm ring, but with better quality of eating, and less prospect of requiring ring removal. However, there remains a small proportion of patients in whom a 6.0 cm ring is poorly tolerated. For this reason a 6.5 cm ring should be tested.

See also:
Gastroplasty
Vertical Banded Gastroplasty
Fobi Pouch Gastric Bypass
Fobi Pouch Health and Weight Loss Benefits
Fobi Pouch Health Complications

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Laparoscopic or open bariatric surgery, such as gastric banding or bypass is not an easy solution to morbid obesity and weight loss. It is a serious surgical procedure, involving health risks. To produce lasting weight loss it requires a long-term patient commitment to eating a healthy diet and following a regular program of physical exercise. Life-long use of nutritional supplements may also be necessary. So, before deciding, discuss your options fully with your doctor. © 2003-2017 Bariatric-Surgery.Info - Terms - Contact - Information - Resources