874 Comparative Evaluation of PerOral Endoscopic Myotomy (POEM) for the Treatment of Achalasia in Patients With Failed Heller Myotomy vs Patients Without a History of Surgical Myotomy: A Multicenter Retrospective Cohort Study

GASTROINTESTINAL ENDOSCOPY(2016)

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摘要
In patients with persistent symptoms after Heller myotomy (HM), treatment options include repeat HM, pneumatic dilation (PD) or peroral endoscopic myotomy (POEM). The data on efficacy and safety of POEM for patients who failed prior HM are limited to small series.
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关键词
peroral endoscopic myotomy,heller myotomy,surgical myotomy,achalasia
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