Clinical and Laboratory Correlates of Esophagitis in Young Children

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Abstract
To develop clinical and laboratory criteria to identify young children with gastroesophageal reflux (GER) who are at particular risk for esophagitis and then to monitor their clinical course we have prospectively studied 40 subjects (ages 2-22 months, mean 8 months) with persistent symptoms of GER with 18 h intraesophageal pH monitoring, endoscopy, and grasp and suction esophageal biopsies. Esophagitis was found in 16 to 20 patients under 7 months, 12 of 14 between 7 and 12 months, and five of six between 12 and 24 months. Esophagitis was equally frequent in those patients with or without poor weight gain, wheezing, or irritability. Only 15% of patients with esophagitis had occult blood in their stool. No parameter of intraesophageal pH monitoring was both sensitive and specific in identifying patients who were ultimately found to have either mild or severe esophagitis. Follow-up data (37 patients) revealed that fundoplication was eventually required in four of eight patients with severe esophagitis, three of 22 with mild esophagitis, and none of seven without esophagitis. Currently used clinical and laboratory assessments of GER have limited value in identifying those children with either normal esophageal mucosa or at risk for varying degrees of esophagitis. Preliminary observations suggest that the presence of severe histologic esophagitis at the time of initial evaluation may have prognostic value in identifying those patients most likely to fail medical therapy and require fundoplication.