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Updated: Apr 12, 2026

Adapting Human Videofluoroscopic Swallow Study Methods to Detect and Characterize Dysphagia in Murine Disease Models
Published on: March 1, 2015
Evaluation of swallowing in infants with congenital heart defect
Karine da Rosa Pereira1, Cora Firpo2, Marisa Gasparin3
1Department of Speech Pathology, Universidade Federal do Rio Grande do Sul, Porto Alegre, Rio Grande do Sul, Brazil.
Insights
Infants undergoing surgery for congenital heart defects often develop dysphagia (swallowing difficulties). This study found issues with suction and feeding readiness in these young patients, similar to preterm infants.
Area of Science:
- Pediatric Surgery
- Neonatology
- Speech-Language Pathology
Background:
- Surgical repair of congenital heart disease in early childhood can disrupt crucial functions like swallowing.
- Infants with congenital heart defects may experience feeding and swallowing challenges post-surgery.
Purpose of the Study:
- To identify and describe swallowing alterations in infants diagnosed with congenital heart defects during hospitalization.
- To investigate the relationship between surgical repair and swallowing difficulties in infants.
Main Methods:
- A prospective, cross-sectional study was conducted.
- Evaluated swallowing in 19 infants under 7 months old with congenital heart defects and suspected dysphagia.
- Data collected from patients in a specialized heart disease hospital.
Main Results:
- A significant association was observed between abnormal suction rhythm and dysphagia (p=0.036).
- Impaired oral-motor readiness for feeding was significantly linked to dysphagia (p=0.014).
- The median age of the 19 infants studied was 3.2 months.
Conclusions:
- Dysphagia is a common complication following surgical repair of congenital heart defects in infants.
- Infants with congenital heart defects exhibit oral feeding readiness patterns similar to those seen in preterm infants.
Abstract:
Introduction Surgical repair of congenital heart disease in the first years of life compromises the coordination of the suction, breathing, and swallowing functions. Objective To describe the alterations in swallowing found in infants with congenital heart defect during their hospitalization. Methods Prospective, cross-sectional study in a reference hospital for heart disease. The sample consisted of 19 postsurgical patients who underwent an evaluation of swallowing. The infants included were younger than 7 months and had a diagnosis of congenital heart defect and suspected swallowing difficulties. Results Of the 19 infants with congenital heart defect, the median age was 3.2 months. A significant association was found between suction rhythm and dysphagia (p = 0.036) and between oral-motor oral feeding readiness and dysphagia (p = 0.014). Conclusions The data suggest that dysphagia often occurs after surgery in infants with congenital heart defect. Infants with congenital heart defect had very similar behavior to preterm infants in terms of oral feeding readiness.
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