Since its first report in 2010, peroral endoscopic myotomy (POEM) has become the first-line treatment for achalasia of cardia with satisfactory results. The operative procedure of POEM is relatively complex, after more than 10 years of clinical improvement, the difficulty of operation is reduced, the incidence of complications is reduced, and the curative effect is improved. Herein, we review the current status of operative procedure of POEM.
图1 文献检索流程图Fig.1 Flow chart of study screening and selection