Prospective Evaluation of PH-impedance Tracings According to the Wingate Consensus, and Influence on GERD Classification According to the Lyon Consensus

This research is looking at how we understand and use a special test called pH-MII. This test helps doctors check for acid reflux, which is when stomach acid or other stomach contents flow back up into your food pipe (gullet). It's a common problem that can cause heartburn, indigestion, and other uncomfortable symptoms. The pH-MII test involves wearing a small device for about a day that measures reflux episodes.

When you have a pH-MII test, a computer normally does the first analysis of the results. However, doctors and trained specialists also carefully review these results by hand. This study wants to understand why, sometimes, the manual review changes what the computer initially found. For example, the manual review might decide that some episodes the computer identified as reflux aren't actually reflux. We'll also look at how these changes affect whether someone is diagnosed with reflux disease (GERD) and how severe it's considered.

The main goal is to make sure the pH-MII test is as accurate and helpful as possible. We’ll also consider things like why someone needed the test in the first place, how bad their symptoms are, and if they were taking certain medications (like PPIs, which reduce stomach acid) during the test. This will help us understand if these factors influence how the test results are interpreted and ultimately improve how doctors diagnose and manage GERD for patients like you.