Esophageal and upper esophageal sphincter motor function in babies

Area of Science:

• Pediatric Gastroenterology
• Neonatology
• Developmental Physiology

Background:

• High incidence of feeding and airway disorders in premature infants and those with congenital anomalies.
• Commonly attributed to foregut dysfunction with empiric diagnostic and management approaches.
• Limited understanding of the functional development of deglutitive and airway-protective mechanisms in neonates.

Purpose of the Study:

• To review existing literature on esophageal and upper esophageal sphincter (UES) motor function in human infants.
• To elucidate the maturation process of pharyngeal-UES and esophageal motor functions.
• To correlate this maturation with airway-protective responses in neonates.

Main Methods:

• Literature review of studies on infant esophageal and UES motor function.
• Analysis of data on the development of swallowing and airway protection.
• Synthesis of information on the pathophysiology of feeding-related airway disorders.

Main Results:

• Information on the functional development of deglutitive and airway-protective mechanisms in neonates is scarce.
• Maturation of pharyngeal-UES and esophageal motor functions is crucial for understanding these disorders.
• Understanding these developmental aspects is key to identifying pathophysiologic bases.

Conclusions:

• Understanding the maturation of infant esophageal and upper esophageal sphincter motor function is essential.
• This knowledge is critical for diagnosing and managing feeding and airway disorders in vulnerable infant populations.
• Further research into neonatal motor function development is warranted.