American Gastroenterological Association medical position statement: Guidelines on the use of esophageal pH recording
Section snippets
Guidelines for the clinical use of esophageal pH recording
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Esophageal pH recording is indicated to document abnormal esophageal acid exposure in an endoscopy-negative patient being considered for surgical antireflux repair (pH study done after withholding antisecretory drug regimen for ≥ 1 week).
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Esophageal pH recording is indicated to evaluate patients after antireflux surgery who are suspected to have ongoing abnormal reflux (pH study done after withholding antisecretory drug regimen for ≥ 1 week).
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Esophageal pH recording is indicated to evaluate
References (2)
- et al.
Clinical esophageal pH recording: a technical review for practice guideline development
Gastroenterology
(1996)
Cited by (90)
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2014, Surgery for Obesity and Related DiseasesCitation Excerpt :The sensitivity (77–100%) and specificity (85–100%) of pH monitoring is acceptable in patients with endoscopically diagnosed esophagitis. However, its sensitivity (0–71%) and specificity are lower in patients with normal endoscopies [23]. Combining pH monitoring and manometry, increases sensitivity and specificity to over 90%, and is therefore considered the best available approach for demonstrating the association between symptoms and physiologic gastroesophageal reflux [24].
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2013, Best Practice and Research: Clinical GastroenterologyCitation Excerpt :Furthermore, empiric acid suppression therapy or a ‘PPI test’ has limited utility for the identification of GERD patients [59]. The difficulties faced when attempting to identify a control population that does not have GERD are compounded by observations that endoscopic esophagitis (ERD) is asymptomatic in 6.1% to 9.5% of the general population [7] and that reflux times of 3.4% to 7.2% have been reported for esophageal pH recordings obtained in normal controls [60]. An accurate record of the location of the biopsies is crucial, both in research and in clinical practice, because the severity of reflux-related changes [61–63] and Barrett's metaplastic changes [64] varies axially and radially in the distal esophagus.
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