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KMID : 0816120030060010017
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Korean Journal of Pediatric Gastroenterolology and Nutrition
2003 Volume.6 No. 1 p.17 ~ p.23
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Clinical Significance of Dual-probe Esophageal pH Monitoring in Pathological Gastroesophageal Reflux Disease with Recurrent Respiratory Symptoms
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Choi Yun-Chang
Moon Kyung-Rye
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Abstract
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PURPOSE: The aim of this study was to determine clinical significance of dual-probe esophageal pH monitoring and to compare four pH monitoring parameters between proximal and distal esophagus in pathological gastroesophageal reflux disease with recurrent respiratory symptoms.
METHODS: Among the thirty-four patients who were performed 24 hr pH monitoring, seventeen patients with pathological distal reflux were classified into two groups: Group I (n：12) had recurrent respiratory symptoms and Group II (n：5) hadn’t recurrent respiratory symptoms. The ambulatory dual-probe esophageal pH monitoring was performed for 18~24 hr. A pathologic GER was defined when reflux index (percent of the investigation time a pH＜4) exceeded the 95th percentile of normal value.
RESULTS: Among the sixteen patients with recurrent respiratory symptoms, twelve patients (75%) have pathological distal reflux. Whereas among the eighteen patients without recurrent respiratory symptom, five patients (28%) have pathological distal reflux. In the Group I, the significant differences between proximal and distal esophageal pH recordings persisted for all parameters, but didn’t persist in group II except for longest episode. Comparing esophageal pH four parameters between group I and group II at the proximal esophageal site, all parameters didn’t show statistically significant differences.
CONCLUSION: Regardless of respiratory symptoms, patients with pathological distal reflux didn’t show statistically significant differences in the all parameters at the proximal esophageal site. Therefore we may reconsider usefulness of dual probe pH meter in patients with recurrent respiratory symptoms.
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KEYWORD
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GERD, Recurrent respiratory symptoms, Dual-probe pH monitoring
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