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Xiong Ying, Chen Qianqian, LI Huikai, HU Haiqing, Linghu Enqiang, Zhang Xiaobin
At present, peroral endoscopic myotomy (POEM) is regarded as the best treatment for achalasia cardia (AC). So more and more patients with AC undergo this operation and obtain good curative effect. With the rising of number of operations, we found it also had some complications. Hemorrhage during operation is the most common one.