Efficacy of anterior versus posterior per-oral endoscopic myotomy for treating achalasia: a randomized, prospective study

Per-oral endoscopic myotomy (POEM) has been demonstrated to be safe and effective for treating achalasia. Two approaches―anterior myotomy and posterior myotomy―are used during POEM. However, little is known about the comparison between the two different approaches. The objective of the study is to compare the safety and short-term efficacy of the 2 approaches for treating achalasia.

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