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The duodenal switch (DS) procedure, also known as a gastric reduction duodenal switch (GRDS), is a weight loss surgery procedure that is composed of a restrictive and a malabsorptive aspect. The restrictive portion of the surgery involves removing approximately 70% of the stomach (along the greater curvature) and most of the duodenum .
Most patients do remain obese (BMI 25-35) following surgery despite significant weight loss, and patients with BMI over 40 tended to lose more weight than those with BMI under 40. [29] [30] Concerning metabolic syndrome, bariatric surgery patients were able to achieve remission 2.4 times as often as those who underwent nonsurgical treatment.
For severe duodenal ulcers, it may be necessary to remove the lower portion of the stomach and the upper portion of the small intestine. If there is a sufficient portion of the upper duodenum remaining, a Billroth I procedure is performed, where the remaining portion of the stomach is reattached to the duodenum before the common bile duct.
The shared blood supply of the pancreas, duodenum and common bile duct necessitates en bloc resection of these multiple structures. Other indications for pancreaticoduodenectomy include chronic pancreatitis , benign tumors of the pancreas , cancer metastatic to the pancreas, multiple endocrine neoplasia type 1 [ 5 ] and gastrointestinal stromal ...
The SADI-S is a single anastomosis bariatric surgery. It is different from the classic duodenal switch, the gastric bypass (RNY) or sleeve gastrectomy.It is a type of bariatric surgery carried out to lose weight and to mitigate various metabolic issues including type 2 diabetes, dislipidemia, metabolic syndrome, and polycystic ovary syndrome.
The gastric bypass reduces the size of the stomach by well over 90%. [4] A normal stomach can stretch, sometimes to over 1000 mL, while the pouch of the gastric bypass may be 15 mL in size. The gastric bypass pouch is usually formed from the part of the stomach that is least susceptible to stretching.
Resection is sometimes a part of a treatment plan, [2] but duodenal cancer is difficult to remove surgically because of the area that it resides in—there are many blood vessels supplying the lower body. Chemotherapy is sometimes used to try to shrink the cancerous mass. Other times intestinal bypass surgery is tried to reroute the stomach to ...
The actual resection starts with the cutting of the duodenum between holding or guy sutures. [9] The duodenum is temporarily closed with a sponge; the resection borders of the stomach are then determined. [9] A sewing instrument facilitates the final step of stomach removal. [9] The incision follows at an angle of 45 degrees to the lesser ...