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Updated: Aug 9, 2026
Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models
Published on: March 1, 2015
Videomanometry reveals clinically relevant parameters of swallowing in children
N Rommel1, E Dejaeger, E Bellon
1University of Leuven, Department of Neurosciences, Exp ORL, Faculty of Medicine, Herestraat 49, P.O. Box 721, 3000 Leuven, Belgium. nathalie.rommel@med.kuleuven.be
Insights
Videomanometry is a feasible and well-tolerated technique for assessing pediatric dysphagia in infants and young children. This method enables accurate evaluation of swallowing function, improving diagnosis and management of oropharyngeal swallowing difficulties.
Area of Science:
- Pediatric Gastroenterology
- Swallowing Disorders
- Diagnostic Imaging
Background:
- Dysphagia in infants and young children presents diagnostic challenges.
- Accurate assessment of swallowing mechanics is crucial for effective management.
- Existing methods may have limitations in evaluating complex pediatric swallowing patterns.
Purpose of the Study:
- To evaluate the technical and clinical feasibility of videomanometry for pediatric dysphagia assessment.
- To demonstrate the safety and tolerability of videomanometry in young children.
- To explore the utility of videomanometry in analyzing swallowing parameters.
Main Methods:
- Videomanometry combined with solid-state catheter and perfused sleeve assembly used in 8 pediatric patients (2-28 months).
- Sensors positioned at valleculae, laryngeal entrance, and upper esophageal sphincter (UES).
- Simultaneous digital recording of manometric and radiological data (manofluoromixer) during liquid bolus swallows.
Main Results:
- Catheter placement was well-tolerated with no adverse events.
- Children tolerated the procedure and swallowing of test boluses.
- Pharyngeal contractility and UES relaxation during swallowing were successfully evaluated.
Conclusions:
- Videomanometry is a feasible technique for assessing pediatric oropharyngeal dysphagia in young children.
- The procedure is associated with limited discomfort.
- Videomanometry shows promise for more accurate assessment of swallowing function in this population.
Objective:
The aim of this pilot study is to demonstrate the technical and clinical feasibility of videomanometry to assess swallowing in infants and young children presenting with dysphagia.
Methods:
We performed videomanometry using a combined solid state catheter and a perfused manometric sleeve assembly in eight patients (2-28 months) presenting at a tertiary care institution with symptoms of dysphagia. Solid state sensors were positioned at the inferior margin of the valleculae and the laryngeal entrance and the upper esophageal sphincter sleeve assembly was positioned across the upper esophageal sphincter. Manometric and radiological data were digitally recorded simultaneously using a manofluoromixer. Liquid bolus swallows were recorded in each patient and different geometric parameters of deglutition were measured.
Results:
Placement and fixation of the catheter was well tolerated and no adverse effects occurred. The children easily swallowed test boluses as selected during clinical examination. Results indicate that pharyngeal contractility can be evaluated as well as relaxation of the upper esophageal sphincter during swallowing of wet boluses.
Conclusions:
Videomanometry in young children is feasible with the limited discomfort of the placement of the catheter. It is a promising technique that will allow more accurate assessment of pediatric oropharyngeal dysphagia.
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