GER characteristics after fundoplication in children with aerodigestive disorders

Abstract

Abstract

Purpose

The purpose of this study was to determine GER characteristics after Nissen fundoplication in children with aerodigestive disorders using pH-impedance technology.

Methods

In this cross-sectional study, the institutional database of Cincinnati Children's Hospital Medical Center was reviewed to identify patients ages below 21 years who had a Nissen fundoplication and underwent esophageal pH-impedance (pH-MII) monitoring over a nine-year period. All reflux-related metrics were modeled as a Poisson random variable as a function of time since fundoplication.

Results

A total of 242 patients were included in the study. The range for time since surgery was 1–192 months. Median total reflux events were 8.5 episodes per 24 h, median acidic reflux events were 0, and median proximal reflux event was 2. There was no significant trend towards increasing reflux episodes over time.

Conclusions

Children had a low number of reflux events after a fundoplication, as measured by pH-impedance, and there was no statistically significant increase observed in the number of reflux events over time. Despite most patients having a functional fundoplication with minimal reflux events throughout the entire age range, up to 58% of our cohort was still on a proton pump inhibitor.

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