2010年12月2日星期四

Roux-en-Y Gastric Bypass (RnY)

Weight Loss Surgery
Roux-en-Y Gastric Bypass (RnY) is a more complex operation, to provide more consistent and successful weight loss.

Weight Loss Surgery
The small upper pouch is completely separated from the distal stomach which is left in place. A “Y” shaped segment

Weight Loss Surgery
of small bowel is attached to the pouch with a narrow opening. This bypasses the mixing of food and digestive juices

Weight Loss Surgery
From the distal stomach resulting in poorer absorption of calories and nutrients. This both restricts food intake and interferes with absorption resulting in more consistent weight loss, but has a higher risk of complications or side effects. It does not interfere with taking liquids. 80% of patients lose at least half their excess weight with the RnY procedure. This operation can be done open or laparoscopic.

Weight Loss Surgery
The laparoscopic RnY averages a 2-3 day hospitalization with a return to full activity in 2-3 weeks. A liquid and soft diet high in protein is suggested for 6 weeks after surgery, and then the patient is placed on a solid diet.

Weight Loss Surgery
The open RnY averages a 3-4 day hospitalization with a return to full activity in 3-4 weeks. The open version is safer than the laparoscopic version and the success rate and diet are the same.

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