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Underwater endoscopic mucosal resection of adenomas and colorectal serrated lesions: a prospective clinical study

Το τεκμήριο παρέχεται από τον φορέα :
Ελληνική Γαστροεντερολογική Εταιρία   

Αποθετήριο :
Annals of Gastroenterology   

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Underwater endoscopic mucosal resection of adenomas and colorectal serrated lesions: a prospective clinical study (EN)
Nogueira, Pedro Bothrel
Nascimento, Ricardo Castejon
Rocha, Renata Figueiredo
Albuquerque, Walton
Marianelli, Bruna Santos
Arantes, Vitor Nunes
Carreiro, Rodrigo Albuquerque
Pereira, Roberto Motta
Campos, Frederico Fonseca
info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion
2021-07-16
Background Underwater endoscopic mucosal resection (UEMR) without submucosal injection has been described as an alternative technique to the endoscopic resection of adenomas and colorectal serrated lesions. We aimed to assess the feasibility, safety, and efficacy of UEMR in a Brazilian setting. Methods This was a prospective observational study of consecutive patients who underwent UEMR between January and July 2019, in a single tertiary care center. Inclusion criteria were lesions without endoscopic stigmata of deep submucosal invasion in patients referred for endoscopic resection of colorectal adenomas, and serrated lesions detected in a previous colonoscopy. The following features were assessed: complete resection rate, en bloc resection rate, resection time, adverse events, and resection infeasibility. Results A total of 36 patients underwent UEMR for 51 colorectal lesions. The mean/median lesion size was 16.24/13 mm and the mean/median resection time was 16.97/9.19 min. Histopathology revealed the following: tubular adenoma (43.1%), tubulovillous adenoma (13.7%), serrated lesions (41.2%), and intramucosal adenocarcinoma (2%). Complete resection was achieved in 86.3% of cases; 52.9% of the lesions were removed en bloc, while 47.1% were resected in a piecemeal fashion. UEMR was feasible in 96.1% of cases and failed on 2 occasions, requiring conversion to standard endoscopic mucosal resection. Minor intraoperative bleedingoccurred in 5 patients (9.8%) and only 1 presented with delayed bleeding (2%), all controlled endoscopically. Conclusion UEMR for removal of adenomas and colorectal serrated lesions was demonstrated to be feasible, safe and effective. Keywords Underwater endoscopic mucosal resection, colorectal adenomas, colorectal serrated lesions, colonoscopy Ann Gastroenterol 2021; 34 (4): 552-558 (EN)
Αγγλική γλώσσα
Hellenic Society of Gastroenterology (EN)
1792-7463
1108-7471
Annals of Gastroenterology; Volume 34, No 4 (2021); 552 (EN)
Copyright (c) 2021 Annals of Gastroenterology (EN)
Ελληνική Γαστροεντερολογική Εταιρία
Annals of Gastroenterology
Original Articles



*Η εύρυθμη και αδιάλειπτη λειτουργία των διαδικτυακών διευθύνσεων των συλλογών (ψηφιακό αρχείο, καρτέλα τεκμηρίου στο αποθετήριο) είναι αποκλειστική ευθύνη των αντίστοιχων Φορέων περιεχομένου.