He was the first to describe that the deglutitive upper esophageal sphincter opening can be increased by strengthening exercises of the suprahyoid muscles. This led to development of ...

GERD affects the lower sphincter (muscular ring) in the esophagus, and LPR affects the upper esophageal sphincter. LPR is ...

a time period during which drugs that relax the lower esophageal sphincter (LES) had gained widespread use. Lagergren and colleagues studied the association of upper gastrointestinal tract cancers and ...

Common surgeries, according to Northwestern Medicine, include Nissen fundoplication — in which the upper part of the stomach is wrapped around the lower esophageal sphincter in order to fix a ...

Dodds, Walter J. Hogan and then Reza Shaker where he began his investigations of the neural mechanisms of swallowing, esophagus, and the upper esophageal sphincter. Ivan obtained his DVM degree ...