Per oral endoscopic myotomy (POEM) has been reported as an effective and safe salvage therapy for achalasia but there is limited composite data. We performed a systematic review and meta‐analysis of studies that reported the rates of clinical success and adverse events among patients who underwent POEM after failed conventional endoscopic or surgical therapy.

中文翻译：

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DPOEM 作为内镜或手术治疗难治性贲门失弛缓症患者的抢救疗法在技术上是可行和安全的：系统评价和荟萃分析

据报道，经口内窥镜肌切开术 (POEM) 是一种有效且安全的贲门失弛缓症补救疗法，但复合数据有限。我们对报告了常规内镜或手术治疗失败后接受 POEM 的患者的临床成功率和不良事件率的研究进行了系统回顾和荟萃分析。