Probe confocal laser endomicroscopy in the therapeutic endoscopic management of Barrett's dysplasia

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Annals of Gastroenterology
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Σημασιολογικός εμπλουτισμός/ομογενοποίηση από το EKT

2017 (EL)
Probe confocal laser endomicroscopy in the therapeutic endoscopic management of Barrett's dysplasia (EN)

Pesenti, Christian
Giovannini, Marc
Caillol, Fabrice
Poizat, Flora
Ratone, Jean Phillippe
Godat, Sebastien
Auttret, Aurélie
Bories, Erwan

Background Endoscopic management of Barrett's esophagus (BE) depends on the histological stage of BE and includes the following: follow up, endotherapy with thermal ablation, and piecemeal or monobloc endoscopic resection (ER). We know that biopsies are unreliable in 20-75% of cases. The aim of our study was to evaluate the efficiency of probe confocal laser endomicroscopy (pCLE) in the diagnosis of the histological stage of BE, compared with the final histological results after ER.Methods This retrospective study was based on a prospective registry of patients referred for management of BE-associated dysplasia. The inclusion criteria were dysplasia associated with BE on pre-resection biopsy and endoscopic resection of the examined areas. CLE examinations (pCLEs) were performed using the Gastroflex probe (Maunakea company). ER was sufficient to ensure that the target area was resected. The following four potential diagnoses were considered: normal or inflammatory mucosa, metaplasia (BE), low-grade dysplasia (LGD), and high-grade dysplasia/esophageal adenocarcinoma (HGD/EAC).Results The sensitivity, specificity, and accuracy in the detection of HGD/EAC were 92.9%, 71.4% and 80% for pCLE, and 78.6%, 61.9%, and 68.6% for histological biopsy, respectively. The differences in favor of pCLE were not statistically significant (P=0.2); however, in 13 patients with irregularities of the mucosa without elevated or depressed lesions (2 HGD/EAC and 11 non-HGD/EAC), pCLE led to positive redirection of therapy in 70% (9/13) of cases.Conclusion In the absence of visible lesions, pCLE appears to lead to correct diagnoses and to aid real-time decisions regarding therapeutic management.Keywords Probe confocal laser endomicroscopy, Barrett's esophagus, endoscopic resectionAnn Gastroenterol 2017; 30 (3): 295-301 (EN)

info:eu-repo/semantics/article
info:eu-repo/semantics/publishedVersion

Ελληνική Γαστροεντερολογική Εταιρία (EL)
Hellenic Gastroenterologiki Company (EN)

2017-04-26


Hellenic Society of Gastroenterology (EN)

1792-7463
1108-7471
Annals of Gastroenterology; Volume 30, No 3 (2017); 295 (EN)



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