Measurement of mucosal conductivity by MII is a potential marker of mucosal integrity restored in infants on acid-suppression therapy

Clara M Loots, Michiel P Van Wijk, Marije J Smits, Tobias G Wenzl, Marc A Benninga, Taher I Omari

Research output: Contribution to journalArticleAcademicpeer-review

Abstract

Esophageal multichannel intraluminal impedance (MII) allows measurement of the conductivity of adjacent contents. During esophageal rest, raw impedance levels may represent mucosal integrity. We assessed the influence of proton pump inhibitors (PPIs) on presumed mucosal integrity by reanalyzing raw MII levels of 21 pH-MII tracings from infants with gastroesophageal reflux (GER) disease before and after esomeprazole treatment. Median (interquartile range) esophageal MII increased during treatment, 938 (652-1304) versus 1885 (1360-2183) Ohm, P < 0.0001. Patients with lower MII levels demonstrated a larger increase on therapy: Spearman r2 = 0.28, P = 0.014. No correlation with standard GER parameters was observed. In conclusion, PPI therapy increases MII levels in infants with symptomatic GER disease.

Original languageEnglish
Pages (from-to)120-3
Number of pages4
JournalJournal of Pediatric Gastroenterology and Nutrition
Volume53
Issue number1
DOIs
Publication statusPublished - Jul 2011

Cite this