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Deepa Y, Dharmasamvardhini S, Rosy Ayda Y and Manavalan N
Gastric outlet obstruction (GOO) represents a clinical and pathophysiological consequence of any diseases process that creates mechanical impediments for gastric emptying.
The usual pathophysiology of GOO is intrinsic or extrinsic obstruction of the pyloric channel or duodenum and the ob struction mechanism depends on the underlying etiology. GOO was regarded synonymous with chronic peptic ulcer disease as a disease mechanism.