Related Experiment Video
Updated: Jun 26, 2025

In Vitro Modeling of Down Syndrome Neurogenesis Using Human-Induced Pluripotent Stem Cells
Published on: March 7, 2025
Prevalence and Outcomes of Gastrointestinal Anomalies in Down Syndrome
Marwa M Elgendy1, Josef Cortez2, Firas Saker3
1Department of Pediatrics, University of Florida, Jacksonville, Florida.
Insights
Infants with Down syndrome (DS) have a significantly higher risk of developing both small intestinal atresia and Hirschsprung
Area of Science:
- Pediatric Surgery
- Medical Genetics
- Gastroenterology
Background:
- Down syndrome (DS) is associated with an increased incidence of congenital gastrointestinal anomalies.
- Small intestinal atresia and Hirschsprung's disease (HD) are significant congenital gastrointestinal conditions.
- The co-occurrence of these anomalies in infants with DS requires further investigation.
Purpose of the Study:
- To determine the prevalence of small intestinal atresia and Hirschsprung's disease (HD) in infants with Down syndrome (DS).
- To evaluate the impact of these concomitant conditions on infant outcomes.
- To assess the mortality risk associated with these anomalies in infants with DS.
Main Methods:
- Analysis of the National Inpatient Sample (NIS) database.
- Inclusion of infants diagnosed with Down syndrome (DS), small intestinal atresia, Hirschsprung's disease (HD), or both.
- Utilized regression analysis to adjust for clinical and demographic variables.
Main Results:
- A total of 66,213,034 infants were analyzed, with 99,861 (0.15%) having DS.
- The combined occurrence of small intestinal atresia and HD was substantially higher in infants with DS (aOR: 122, 95% CI: 96-154, p < 0.001).
- Infants with DS and both conditions exhibited significantly increased mortality (aOR: 8.59, 95% CI: 1.95-37.8).
Conclusions:
- Infants with Down syndrome face an elevated risk of developing concomitant small intestinal atresia and Hirschsprung's disease.
- This combination of congenital gastrointestinal anomalies in infants with DS is linked to a higher risk of mortality.
- Early identification and management are crucial for improving outcomes in this vulnerable population.
Objectives:
Our objective was to investigate the prevalence of small intestinal atresia and Hirschsprung's disease (HD) in infants with Down syndrome (DS) and its impact on outcomes.
Study Design:
We analyzed the National Inpatient Sample dataset. We included infants with DS, small intestinal atresia, HD, and the concomitant occurrence of both conditions. Regression analysis was used to control clinical and demographic variables.
Results:
A total of 66,213,034 infants were included, of whom, 99,861 (0.15%) had DS. The concomitant occurrence of small intestinal atresia and HD was more frequent in infants with DS compared with the general population, adjusted odds ratio (aOR): 122, 95% confidence interval (CI): 96-154, (p < 0.001). Infants with DS and concomitant small intestinal atresia and HD had higher mortality compared with those without these conditions, aOR: 8.59, 95% CI: 1.95-37.8.
Conclusion:
Infants with DS are at increased risk of concomitant small intestinal atresia and HD, and this condition is associated with increased mortality.
Key Points:
· Infants with Down syndrome are at increased risk of congenital GI anomalies.. · Infants with Down syndrome are at increased risk of necrotizing enterocolitis.. · Increased mortality in Down syndrome infants with concomitant small intestinal atresia and Hirschsprung's disease..
More Related Videos
Related Concept Videos
Meiosis I
Meiosis vs. Mitosis
Before the start of mitosis and meiosis I, the cell synthesizes DNA, resulting in two homologous copies of each chromosome. DNA synthesis is...
Nondisjunction
Glucose Transporters
Facilitated diffusion-glucose transporters (GLUTs) are encoded by the solute-linked carrier (SLC) family 2, subfamily A gene family, or SLC2A. The 14 GLUT protein members are distributed into three classes:
Gastrointestinal Motility Disorders
Karyotyping

