Related Experiment Video
Updated: Jul 2, 2026

Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models
Published on: March 1, 2015
Dysphagia in children with severe generalized cerebral palsy and intellectual disability
Elsbeth Ac Calis1, Rebekka Veugelers, Justine J Sheppard
1Intellectual Disability Medicine, Department of General Practice, Erasmus MC, Rotterdam, the Netherlands. e.calis@psyq.nl
Insights
Nearly all children with severe cerebral palsy and intellectual disability have dysphagia (swallowing difficulties). Early identification using mealtime observations is crucial, as parents often underestimate the severity.
Area of Science:
- Pediatrics
- Neurology
- Speech-Language Pathology
Background:
- Severe generalized cerebral palsy and intellectual disability significantly impact children's development.
- Dysphagia, or swallowing difficulties, is a common but often underrecognized comorbidity in this population.
Purpose of the Study:
- To assess the clinical indicators and severity of dysphagia in children with severe generalized cerebral palsy (GMFCS Level IV-V) and intellectual disability (IQ<55).
- To determine the prevalence of dysphagia and its relationship with motor impairment and weight for height.
- To evaluate the effectiveness of standardized mealtime observations for dysphagia identification.
Main Methods:
- A cross-sectional study involving 166 children (mean age 9y 4mo) with severe cerebral palsy and intellectual disability.
- Assessment included standardized mealtime observation, the Dysphagia Disorders Survey (DDS), a dysphagia severity scale, and parental reports on feeding problems.
- Data were collected from 54 daycare centers.
Main Results:
- A 99% prevalence of dysphagia was found: 1% no dysphagia, 8% mild, 76% moderate to severe, and 15% profound (nil by mouth).
- Dysphagia severity correlated positively with motor impairment severity and, unexpectedly, with higher weight for height.
- Parental reports underestimated the actual severity of dysphagia.
Conclusions:
- Dysphagia is nearly universal in children with severe generalized cerebral palsy and intellectual disability.
- Structured mealtime observations are effective for proactive dysphagia identification in this vulnerable group.
- Children exhibiting pharyngeal or esophageal phase issues on the DDS require prompt clinical swallowing evaluation.
Abstract:
This study assessed the clinical indicators and severity of dysphagia in a representative sample of children with severe generalized cerebral palsy and intellectual disability. A total of 166 children (85 males, 81 females) with Gross Motor Function Classification System Level IV or V and IQ<55 were recruited from 54 daycare centres. Mean age was 9 years 4 months (range 2 y 1 mo-19 y 1 mo). Clinically apparent presence and severity of dysphagia were assessed with a standardized mealtime observation, the Dysphagia Disorders Survey (DDS), and a dysphagia severity scale. Additional measures were parental report on feeding problems and mealtime duration. Of all 166 participating children, 1% had no dysphagia, 8% mild dysphagia, 76% moderate to severe dysphagia, and 15% profound dysphagia (receiving nil by mouth), resulting in a prevalence of dysphagia of 99%. Dysphagia was positively related to severity of motor impairment, and, surprisingly, to a higher weight for height. Low frequency of parent-reported feeding problems indicated that actual severity of dysphagia tended to be underestimated by parents. Proactive identification of dysphagia is warranted in this population, and feasible using a structured mealtime observation. Children with problems in the pharyngeal and esophageal phases, apparent on the DDS, should be referred for appropriate clinical evaluation of swallowing function.
Related Concept Videos
Esophageal Achalasia
Enteral Nutrition II: Nasointestinal and Gastrostomy Feeding
Nasointestinal Feeding
Nasointestinal feeding involves placing a tube through...
Pyloric Obstruction
Intellectual Disability
Learning Disabilities
Dyslexia
Dyslexia is a...
Enteral Nutrition I: Orogastric and Nasogastric Feeding
Orogastric (OG) and nasogastric (NG) feeding are two standard methods used for enteral nutrition. Enteral nutrition is often preferred over...