Management of obstructions after gastric operation       BI Jian-wei, NIE Ming-ming. Department of Gastrointestinal Surgery, Changhai Hospital, Second Military Medical University，Shanghai 200433，China
Corresponding author: BI Jian-wei, E-mail：Bijianwei@medmail.com.cn
Abstract    The issues is on diagnosis and treatment for obstruction which are specially associated whit gastric operation. These complications include obstructions of afferent loop obstructions and efferent loop obstruction, and internal hernias, gastroparesis. Operation is always needed in afferent loop obstructions, and as soon as possible in complete obstruction or strangulated obstruction. The management of efferent loop obstruction is not imperative as that of afferent loop obstructions. If there are no presentation of peritonitis or upper gastrointestinal hemorrhage, the principle of treatment of efferent loop obstruction identify with that of ileus. Operative intervention is necessary without improvement during conservative treatment. Internal hernia is a special type of obstruction after gastric operation, and is always needed operative intervention. Gastroparesis is a functional gastric outlet obstruction with no mechanical causes. After the diagnosis of gastroparesis confirmed, it must treated conservatively.