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Peroral endoscopic myotomy: a two-center retrospective study of practice and adverse events

Journal Volume 87 - 2024
Issue Fasc.1 - Original articles
Author(s) C. Van Severen 1, S. Koch 2, J. Faure 2, M. Poncin 1, J-P. Loly 1
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PAGES 7-13
(1) Centre Hospitalier universitaire de Liège, Gastroenterology and Hepatology, Liège, Belgium
(2) Centre Hospitalier régional universitaire de Besançon, Gastroenterology, Besançon, France

Background and study aims: Peroral endoscopic myotomy (POEM) is the preferred technique for the treatment of esophageal motility disorders and is less invasive than surgery. This study was performed to compare two university centers in the practice of POEM, in terms of efficacy and adverse events, for the treatment of esophageal motility disorder.

Patients and methods: Retrospective comparative study of patients undergoing a POEM between September 2020 and December 2022 from the University Hospital of Liège (Belgium) and Besançon (France). The clinical success was defined by an Eckardt score ≤ 3 after the procedure.

Results: Fifty-five patients were included. In both centers, 87,3% of the patients had achalasia (mostly type II), and 12,7% had another esophageal motility disorder. The use of antibiotic prophylaxis was systematic in Liège center but not in Besançon center (100% and 9.1% respectively). The mean value of the post-operative Eckardt score was 1.55± 2.48 in both center with 93.2% of patients with a score ≤ 3 (92% in Besançon and 94.74% in Liège). The rate of adverse event was generally low. There were two minor adverse events more frequent in Liège, clinical capnomediastinum and pain at day one, but they were managed with conservative treatment. Only 7.3% of the total patients had an infectious phenomenon that did not correlate with the use of antibiotic prophylaxis.

Conclusion: The post-operative Eckardt score and the adverse event rate were comparable between the university centers. This study confirmed that POEM is a safe and effective technique. It also showed that using an antibiotic prophylaxis does not influence the development of infectious adverse events.

Keywords: peroral endoscopic myotomy, adverse events, antibiotic prophylaxis.

The authors declare that they have no conflict of interest.
© Acta Gastro-Enterologica Belgica.
PMID 38431785