In patients with a partial gastric outflow obstruction, metoclo-pramide and cisapride may increase gastric contractions and emptying. But when medical management fails, surgically increasing the diameter of the pyloric lumen is indicated. The surgical options for treating gastric outflow obstruction include Fredet-Ramstedt, pyloromyotomy, Heineke-Mikulicz pyloroplasty and the preferred Y-U pyloroplasty.
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