High-Resolution and Conventional Manometry in the Assessment of the Lower Esophageal Sphincter Length

Dear Editor: High-resolution manometry (HRM) is a revolutionary tool in the field of esophageal function tests. It is a valuable and incomparable instrument to assess the esophageal sphincters and segmental defects of esophageal body peristalsis due to a “panoramic” and simultaneous view from the pharynx to the stomach. Furthermore, it is quicker, more comfortable, and does not share some of the limitations of conventional manometry such as...