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COMPUTER AUTOMATED ANALYSIS OF ESOPHAGEAL 24-HOUR IMPEDANCE PH STUDIES
*Dr. Uzma Khan and Dr. Arindam Ghosh
Aim: was to evaluate the reliability of two different types of 24 hour MII-pH analysis softwares compared to the interpretation provided by an expert was assessed. Material and method: The present study was conducted in the department of physiology at BJS Dental College, Ludhiana with the help of gastro surgery department of SPS hospital, Ludhiana. A retrospective review of 100 consecutive MII-Ph studies was done on adult patients with typical or atypical reflux symptoms referred to laboratory for MII-pH monitoring. The studies were split into two groups of 50 patients each: One group had testing performed using MMS equipment, and the other group using Sandhill scientific equipment. The symptoms associated are calculated using three different indices: symptom sensitivity index (SSI), symptom index (SI), and symptom association probability (SAP). Data were tabulated and examined using the Statistical Package for Social Sciences Version 20.0 (IBM SPSS Statistics for Mac, Armonk, NY: IBM Corp, USA). Results: The results showed a very strong correlation between the expert’s analysis and both automatic softwares as shown for the upright position, supine position, Demeester score, acid and non-acid reflux episodes as well as symptoms index. Conclusion: The current study indicates strong correlations between the interpretations provided by the automatic software analysis and an expert analysis for 24 hour MII-pH monitoring, and are significantly less time consuming.[Full Text Article]