Management of the patient with esophagogastric junction outflow obstruction

Esophagogastric junction outflow obstruction (EGJOO), defined as elevated integrated residual pressure (IRP) with preservation of esophageal peristalsis, is a common finding on high-resolution esophageal manometry.The recent Chicago classification version 4.0 proposes changes to the criteria for diagnosing EGJOO, making this diagnosis more restrictive to now include elevated IRP in both supine and upright positions (with preservation of...