existing roux-en-y bile diversion procedures for duodenogastric reflux coupled with distal gastric resection or antrectomy and vagotomy have varied success due to interruption of the physiologic relationships between stomach and duodenum , the reduction of the gastric reservoir , the side effects of vagotomy , and the effect of the roux limb on gastric emptying .
C0192440
distal gastric resection
C0013303
duodenum