| Summary: | Endoscopic submucosal dissection (ESD) is recognized as an effective treatment for superficial gastric neoplasm without metastasis because results of ESD show the high en bloc resection rate and low local recurrence rate. Recently, the indications for ESD have been broadened in the field of therapeutic endoscopy with regard to its safety and efficacy. However, complications can be happened after procedure and post-ESD bleeding is one of the major adverse events which may lead to serious clinical situation of patient. The mechanism of post-ESD ulcer which is made by iatrogenic procedure is different from peptic ulcer which is created under low pH, therefore, the risk factors and treatment methods of post-ESD bleeding is somewhat different from peptic ulcer bleeding. With these reasons, endoscopist should know about the definitions and influencing factors of post-ESD bleeding before and after procedure, and should manage using proper hemostatic methods when post-ESD bleeding is happened. In this review, I try to overview about the post-ESD bleeding and to know the methods of treatment and prevention of bleeding.
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