Abstract
The purpose of this study was to investigate the role of 24-h pH monitoring for the diagnosis of otolaryngologic including rhinologic manifestations of GER in children and if possible to correlate the results with the efficacy of medical treatment.This is a retrospective study of 72 children from January 1997 to December 1999. The children were separated into three groups according to the main symptoms (although association of symptoms was frequent): rhinologic (n=28), laryngotracheal (n=28) and pharyngeal-otologic (n=16).With the classical gastroenterologic criterion (≥4.2% of total time at pH<4), the pH monitoring was positive in 56% of the patients. However, this criterion does not seem to be sensitive for otolaryngologic GERD because multiple daytime short reflux episodes are often involved. Indeed, the pH monitoring was positive in 75% of the patients (82% in the rhinologic group) when a number of 40 episodes/24 h was also taken into account. The success rate of medical treatment was about 80% in case of positive pH recording. This study underlines that GER is an important factor in pediatric otolaryngologic diseases.
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