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A utility of peroral endoscopic myotomy (POEM) across the spectrum of esophageal motility disorders

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Peroral endoscopic myotomy (POEM) has been performed as a novel endoscopic procedure to treat achalasia with favorable outcome. The objective of this study was to assess the outcome of POEM in our initial series and to assess the safety and efficacy of POEM in a variety of esophageal motility-related clinical problems.


This is a retrospective cross-sectional study involving all patients with esophageal motility disorders defined by the Chicago classification, who had undergone consideration for POEM at our institution. Validated questionnaires such as gastroesophageal reflux disease health-related quality of life (GERD-HRQL), reflux symptom index (RSI) and achalasia disease-specific health-related quality of life were obtained pre- and postoperatively.


From January 2013 to October 2014, a total of 35 POEMs (achalasia n = 25, non-achalasia n = 10) were performed on 33 patients (female n = 20, male n = 13, mean age 56.9 years). There was no mortality. The rate of inadvertent mucosotomy was 17.1 %. The rate of complications requiring interventions was 5.7 %. During a mean follow-up period of 7 months (range 0.5–17), 92 % of patients with achalasia and 75 % of those with non-achalasia motility disorders had a symptomatic improvement in dysphagia. Chest pain was completely resolved in all patients with achalasia (8/8) and 80 % of patients with non-achalasia (4/5). The GERD-HRQL, RSI and dysphagia scores significantly improved after POEM in patients with achalasia. There was a significant improvement in GERD-HRQL and RSI scores, and a trend toward lower dysphagia score in patients with non-achalasia.


The outcome of POEM to treat achalasia and non-achalasia motility disorders is consistent with previous studies. Potential benefit of POEM includes not only its flexibility to adjust the length and location of myotomy but also the ability to extend myotomy proximally without thoracoscopy or thoracotomy. POEM can be combined with laparoscopic procedures and used as “salvage” for localized esophageal dysmotility.

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Toshitaka Hoppo, Shyam J. Thakkar, Lana Y. Schumacher, Yoshihiro Komatsu, Steve Choe, Amit Shetty, Sara Bloomer, Emily J. Lloyd, Ali H. Zaidi, Mathew A. VanDeusen, Rodney J. Landreneau, Abhijit Kulkarni and Blair A. Jobe have no conflicts of interest or financial ties to disclose.

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Hoppo, T., Thakkar, S.J., Schumacher, L.Y. et al. A utility of peroral endoscopic myotomy (POEM) across the spectrum of esophageal motility disorders. Surg Endosc 30, 233–244 (2016).

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