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CC BY-NC-ND 4.0 · Endoscopy 2022; 54(06): 580-584
DOI: 10.1055/a-1677-3954
Innovations and brief communications

Hybrid argon plasma coagulation-assisted endoscopic mucosal resection for large sessile colon polyps to reduce local recurrence: a prospective pilot study

Victoria L. Motz 
1   Department of Medicine, Penn State College of Medicine, Hershey, Pennsylvania, United States
,
Courtney Lester
2   Division of Gastroenterology and Hepatology, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States
,
Matthew T. Moyer
2   Division of Gastroenterology and Hepatology, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States
,
Jennifer L. Maranki
2   Division of Gastroenterology and Hepatology, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States
,
John M. Levenick
2   Division of Gastroenterology and Hepatology, Penn State Health Milton S. Hershey Medical Center, Hershey, Pennsylvania, United States
› InstitutsangabenTrial Registration: ClinicalTrials.gov Registration number (trial ID): NCT03567863 Type of study: Multicenter randomized crossover trial
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Abstract

Background Endoscopic mucosal resection (EMR) of large, sessile colon polyps often results in incomplete resection with subsequent recurrence. The aim of this prospective pilot study was to evaluate the efficacy and safety of a novel technique, hybrid argon plasma coagulation-assisted EMR (hAPC-EMR), to remove large, sessile polyps.

Methods 40 eligible patients underwent hAPC-EMR for the removal of one or more nonpedunculated colon polyps ≥ 20 mm. Participants were contacted 30 days post-procedure to assess for adverse events and were recommended to return for a surveillance colonoscopy at 6 months to assess for local recurrence.

Results At the time writing, 32 patients with 35 polyps (median size 27 mm; interquartile range 14.5 mm) resected by hAPC-EMR had undergone the 6-month follow-up colonoscopy. Recurrence rate was 0 % (95 % confidence interval [CI] 0–0) at follow-up. Post-polypectomy bleeding was experienced by three patients (7.5 %; 95 %CI 0.00–0.15), and no patients developed post-polypectomy syndrome.

Conclusion These preliminary results showed 0 % local recurrence rate at 6 months and demonstrated the safety profile of hAPC-EMR. A large, randomized, controlled trial is required to confirm these results.



Publikationsverlauf

Eingereicht: 23. Februar 2021

Angenommen nach Revision: 04. August 2021

Artikel online veröffentlicht:
14. Dezember 2021

© 2021. The Author(s). This is an open access article published by Thieme under the terms of the Creative Commons Attribution-NonDerivative-NonCommercial License, permitting copying and reproduction so long as the original work is given appropriate credit. Contents may not be used for commercial purposes, or adapted, remixed, transformed or built upon. (https://creativecommons.org/licenses/by-nc-nd/4.0/)

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Rüdigerstraße 14, 70469 Stuttgart, Germany

 

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