The water immersion technique is easy to learn for routine use during EGD for duodenal villous evaluation: A single-center 2-year experience

Giovanni Cammarota*, Paola Cesaro, Alessia Cazzato, Rossella Cianci, Paolo Fedeli, Veronica Ojetti, Maria Certo, Lucia Sparano, Silvia Giovannini, Luigi Maria Larocca, Fabio Maria Vecchio, Giovanni Battista Gasbarrini

*Autore corrispondente per questo lavoro

Risultato della ricerca: Contributo in rivistaArticolo in rivista

Abstract

GOALS: We investigated the learning parameters of the immersion technique for the assessment of marked villous atrophy (MVA), during routine esophagogastroduodenoscopy (EGD). BACKGROUND: The immersion technique offers a proven possibility of enhancing the sensitivity of endoscopy in detecting duodenal villous atrophy patterns. STUDY: Nine endoscopists with at least 2 years of experience, who had previously been trained to perform the immersion technique, searched for duodenal villi during routine EGD. In a 2-year study, duodenal villi were evaluated underwater duodenoscopy in 432 patients from whom duodenal biopsies had been, for various reasons, obtained. The endoscopic findings were compared with the histology. The learning parameters of the water immersion technique and the accuracy in detecting subjects with MVA were observed. RESULTS: A total of 28 (6.5%) patients with MVA were identified during endoscopy by the trained endoscopists. All these patients were diagnosed as being celiac patients. The sensitivity, specificity, and accuracy (positive and negative predictive values) of the immersion technique in detecting MVA patterns, irrespective of the endoscopist who performed the examination, were always 100%. CONCLUSIONS: The underwater evaluation of the duodenum can be efficiently and regularly performed during routine EGD by endoscopists with 2 years of experience, after a specific, brief training period. This procedure is simple, feasible, and can accurately detect MVA patterns. © 2009 Lippincott Williams & Wilkins, Inc.
Lingua originaleEnglish
pagine (da-a)244-248
Numero di pagine5
RivistaJournal of Clinical Gastroenterology
Volume43
DOI
Stato di pubblicazionePubblicato - 2009

Keywords

  • Celiac disease
  • Diagnosis
  • Immersion technique
  • Endoscopy
  • Endoscopic markers

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