RESUMO
Gastric outlet obstruction,also known as pyloric obstruction or stenosis,refers to pyloric stenosis caused by mechanical compression or obstruction of the duodenum,distal stomach,pyloric duct,and anterior pyloric region.Patients will have the phenomenon that gastric contents cannot pass,accompanied by nausea,vomiting,abdominal pain,and loss of appetite and other related symptoms,which greatly reduces the quality of life of patients,has a wide range of individual impact,and has a high degree of harm.Scientific treatment of this disease has extremely important social significance.Based on the pathogenesis,clinical diagnosis and treatment strategies of gastric outlet obstruction,this article will make a certain summary for the diagnosis and treatment of gastric outlet obstruction for reference.