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Erschienen in: Surgical Endoscopy 3/2018

10.08.2017

Per-oral endoscopic myotomy (POEM): mid-term efficacy and safety

verfasst von: Jan Martinek, Hana Svecova, Zuzana Vackova, Radek Dolezel, Ondrej Ngo, Jana Krajciova, Eva Kieslichova, Radim Janousek, Alexander Pazdro, Tomas Harustiak, Lucie Zdrhova, Pavla Loudova, Petr Stirand, Julius Spicak

Erschienen in: Surgical Endoscopy | Ausgabe 3/2018

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Abstract

Background and aims

Per-oral endoscopic myotomy (POEM) is becoming a standard treatment for achalasia. Long-term efficacy and the rate of post-POEM reflux should be further investigated. The main aim of this study was to analyze safety and mid-term (12 and 24 months) clinical outcomes of POEM.

Methods

Data on single tertiary center procedures were collected prospectively. The primary outcome was treatment success defined as an Eckardt score < 3 at 12 and 24 months. A total of 155 consecutive patients with achalasia underwent POEM; 133 patients were included into the analysis (22 patients will be analyzed separately as part of a multicenter randomized clinical trial).

Results

POEM was successfully completed in 132 (99.2%) patients, and the mean length of the procedure was 69.8 min (range 31–136). One patient underwent a drainage for pleural effusion; no other serious adverse events occurred. Treatment success at 3, 12, and 24 months was observed in 95.5% (CI 89.6–98.1), 93.4% (86.5–96.8), and 84.0% (71.4–91.4) of patients, respectively. A total of 11 patients (8.3%) reported initial treatment failure (n = 5) or later recurrence (n = 6). The majority of relapses occurred in patients with achalasia type I (16.7 vs. 1.1% achalasia type II vs. 0% achalasia type III; p<0.05). At 12 months, post-POEM reflux symptoms were present in 29.7% of patients. At 3 months, mild reflux esophagitis was diagnosed in 37.6% of patients, and pathological gastroesophageal reflux was detected in 41.5% of patients. A total of 37.8% of patients had been treated with a proton pump inhibitor.

Conclusion

POEM resulted in greater than 90% treatment success at 12 months which tends to decrease to 84% after 2 years. More than one-third of the patients had mild reflux symptoms and/or mild esophagitis.

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Metadaten
Titel
Per-oral endoscopic myotomy (POEM): mid-term efficacy and safety
verfasst von
Jan Martinek
Hana Svecova
Zuzana Vackova
Radek Dolezel
Ondrej Ngo
Jana Krajciova
Eva Kieslichova
Radim Janousek
Alexander Pazdro
Tomas Harustiak
Lucie Zdrhova
Pavla Loudova
Petr Stirand
Julius Spicak
Publikationsdatum
10.08.2017
Verlag
Springer US
Erschienen in
Surgical Endoscopy / Ausgabe 3/2018
Print ISSN: 0930-2794
Elektronische ISSN: 1432-2218
DOI
https://doi.org/10.1007/s00464-017-5807-3

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