Abstract:Background: The data pertaining to esophageal acid exposure during multichannel intraluminal impedance-pH testing (MII-pH) may be analyzed by using all pH drops (simulating traditional pH-monitoring) or analyzing only pH drops associated with impedance changes. It is unknown whether the acid exposure measurements would differ between these methods in a group of symptomatic patients. Methods: We retrospectively evaluated MII-pH studies of patients from 2008 to 2013. Studies were re-analyzed so that acid measure… Show more
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