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Software improvement for evaluation of laryngopharyngeal pH testing(Restech)——a comparison between Data View 3 and 4

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World Journal of Gastrointestinal Surgery 2020年第5期12卷 236-246页

作者： Dolores Thea Müller Elena Schulte Benjamin Babic Laura Knepper Claudia Fuchs Wolfgang Schroder Christiane J Bruns Jessica M Leers Hans Friedrich Fuchs Department of General VisceralCancer and Transplant SurgeryUniversity of CologneKoln 50937Germany

BACKGROUND When gastroesophageal reflux contents reach above the upper esophageal sphincter,patients may,in addition to typical reflux symptoms,present with atypical,extraesophageal symptoms related to laryngopharyngeal reflux(LPR).Surgical treatment of LPR has shown to lead to 70%symptom improvement,however no gold standard for the diagnosis of LPR *** 2007,the Restech Dx-pH was released as a valid method to measure acid exposure above the upper esophageal ***,a new software update was introduced for analysis of measured pH data and calculation of composite *** effect of the changes applied to the new software version have not yet been *** To compare results generated by Data View 3 to the most recently released Data View *** All patients with gastroesophageal reflux disease symptoms were seen in a specialized surgical outpatient clinic for gastrointestinal function *** chart review was performed of all patients presenting with suspected gastroesophageal reflux disease and extraesophageal reflux symptoms,who underwent laryngopharyngeal pH monitoring using the Restech Dx-pH system(Respiratory Technology Corp.,Houston,TX,United States)and simultaneous esophageal pH *** View 3 and Data View 4 were used to evaluate Restech studies *** entries such as mealtimes,supine and upright periods,and symptoms were entered manually to ensure accuracy and precise conversion of data between both software *** t test was performed for statistical analysis of *** A total of 174 patients(63.8%female)met inclusion criteria,all suffering from extraesophageal reflux symptoms as well as typical gastroesophageal reflux disease *** RYAN score upright was 48.77 in Data View 3 compared to 22.17 in Data View 4,showing a significant difference(~aP=0.0001).Similar results were shown for supine period(mean RYAN score Data View 35.29 vs 1.42 in Data View 4,~cP=0.0001).For upright pe

关键词： Gastroesophageal reflux disease Laryngopharyngeal reflux disease Esophageal pH testing Oropharyngeal pH testing Restech Dx pH demeester score RYAN score

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