Related Experiment Video
Updated: May 14, 2026

Simultaneous Laryngopharyngeal and Conventional Esophageal pH Monitoring
Published on: December 14, 2020
How to perform and interpret upper esophageal sphincter manometry.
1Department of Gastroenterology, Seth G S Medical College and K E M Hospital, Mumbai, India.
Upper esophageal sphincter (UES) manometry offers insights into swallowing but presents technical challenges. High-resolution manometry is crucial for accurately assessing pharyngeal function and UES relaxation in patients with oropharyngeal dysphagia.
Area of Science:
- Gastroenterology
- Swallowing Physiology
Background:
- Pharyngeal manometry and upper esophageal sphincter (UES) manometry provide critical data on the swallowing mechanism.
- UES manometry is technically demanding due to sphincter asymmetry and movement during swallowing.
Purpose of the Study:
- To highlight the importance and challenges of UES manometry.
- To emphasize its utility in diagnosing oropharyngeal dysphagia.
Main Methods:
- High-frequency recording using solid-state transducers is necessary to capture rapid pressure changes.
- High-resolution manometry is recommended for accurate UES pressure measurements.
Main Results:
- UES manometry is not routinely indicated during standard esophageal manometry.
- It is particularly valuable for evaluating patients experiencing oropharyngeal dysphagia.
Conclusions:
- UES manometry, despite technical difficulties, is essential for detailed swallowing mechanism assessment.
- Its primary clinical application lies in the diagnosis of oropharyngeal dysphagia.
Related Concept Videos
Upper GI Series: Barium Swallow
Purpose and Procedure
Patients undergoing this procedure ingest a liquid containing barium sulfate with a chalky...
Endoscopic Procedures I: Esophagogastroduodenoscopy
During an EGD, the endoscope can be used to:
Gastroesophageal Reflux Disease II: Clinical Features and Management
Clinical Manifestations
GERD presents itself in a multitude of ways, with symptoms varying from person to person. The hallmark symptoms are...
Esophageal Strictures-II: Clinical Features and Management
Healthcare providers should gather a comprehensive medical history and conduct a physical examination for diagnosis. If esophageal stricture is...
Esophagus
The movement of edibles from the pharynx into the esophagus is facilitated by the upper esophageal sphincter, which is formed primarily by the...
Gastroesophageal Reflux Disease

