Phrenic Ampulla Emptying Dysfunction in Patients with Esophageal Symptoms.
Sujin KimWalter Marquez-LavenantRavinder K MittalPublished in: Journal of neurogastroenterology and motility (2024)
We propose that a strong after-contraction of the lower esophageal sphincter plays an important role in the normal phrenic ampullary emptying. A defective lower esophageal after-contraction, along with high crural diaphragm pressure are responsible for the phrenic ampulla emptying dysfunction.