This preliminary study showed for the first time that training for POEM can be performed in a step-by-step fashion, learning mucosal incision, submucosal dissection, myotomy, and mucosal incision closure from an expert interventional endoscopist without increasing adverse events. The checklist for each step could be used as an important guide in training POEM. The outcomes of POEM in this study were similar to those reported by others without trainees. Further multiple center studies are needed to verify this training process and to establish a formal training protocol.
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