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Erschienen in:
25.08.2017 | 2017 SSAT Plenary Presentation
Is pH Testing Necessary Before Antireflux Surgery in Patients with Endoscopic Erosive Esophagitis?
Erschienen in: Journal of Gastrointestinal Surgery | Ausgabe 1/2018
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Introduction
The relationship between the Los Angeles (LA) grade of esophagitis and acid exposure by pH monitoring is unclear. The aim of this study was to correlate the results of pH testing in patients with esophagitis to determine at what LA grade of esophagitis a pH test is not necessary.
Methods
A retrospective review was performed of the records of all patients who underwent upper endoscopy and were found to have esophagitis graded using the LA system and who had pH monitoring from 2014 to 2016. An abnormal pH test was determined based on the DeMeester score.
Results
There were 56 patients with a median age of 57 years. Esophagitis was LA grade A in 19, B in 20, C in 15 and D in 2 patients. An abnormal pH score was present in 47 patients (84%). All patients with C or D esophagitis had an abnormal pH score compared to 79% and 75% of patients with A and B esophagitis, respectively.
Conclusions
The presence of LA C or D esophagitis was always associated with increased esophageal acid exposure on pH testing and is proof of reflux disease. However, pH testing is recommended prior to antireflux surgery in patients with LA A or B esophagitis.