Figure 2: Roux-en-Y Gastric Bypass 19 In the Roux-en-Y gastric bypass a 30 ml stomach pouch is separated from the remainder. This pouch is connected to the small bowel, transsected at 50-150 cm after Treitz’ ligament. A second anastomosis connects the hereby created biliopancreatic limb (BPL) to the alimentary limb (AL) and remaining common channel (CC) of the small bowel. The large intestine is left unaltered. Figure 3: Sleeve Gastrectomy 19 The sleeve gastrectomy creates a 75-150 ml tube-shaped stomach, after transacting the stomach in a longitudinal fashion. The remaining 80% of the stomach is removed after dissecting this from the greater omentum. The small bowel and large intestine are not altered in this procedure. 1 11 General introduction and outline of this thesis
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