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Published on: August 20, 2019
[Down syndrome: 1. Medical aspects]
1Centre pour les troubles du développement, Universitair Ziekenhuis St-Rafaël, Leuven.
Insights
Down Syndrome (trisomy 21) affects multiple organs, with heart defects like ventricular septum defects being common. Increased life expectancy in children with Down Syndrome is linked to cardiac health and reduced infection susceptibility.
Area of Science:
- Genetics
- Pediatrics
- Internal Medicine
Context:
- Down syndrome (trisomy 21) is a genetic disorder affecting multiple organ systems.
- Infants with Down syndrome often present with specific congenital anomalies.
- Increased life expectancy in Down syndrome necessitates understanding associated health challenges.
Purpose:
- To provide a comprehensive overview of the multi-systemic pathologies associated with Down syndrome.
- To highlight the prevalence and impact of common comorbidities in Down syndrome patients.
- To inform clinical management and research directions for individuals with Down syndrome.
Summary:
- Down syndrome manifests with widespread organ pathology, evident from infancy.
- Cardiac defects, particularly ventricular septal defects, are frequent and impact life expectancy.
- Other significant issues include gastrointestinal obstructions, endocrine dysfunction (thyroid, infertility), ocular and auditory disorders, reduced cellular immunity increasing infection susceptibility, and oral health problems.
Impact:
- Improved understanding of Down syndrome pathophysiology aids early diagnosis and intervention.
- Highlights the critical role of cardiac health in prognosis for Down syndrome patients.
- Emphasizes the need for multidisciplinary care addressing diverse health concerns in Down syndrome individuals.
Abstract:
Each organ of a patient with the Down's Syndrome (trisomy 21) shows the pathology. One notices the specific features already with an infant. The life expectation of these children has increased considerably and it depends upon the appearance or not of a heart defect. The ventricular septum defect is most frequent but a small number of these patients show a complex cardiopathy. The incidence of pulmonary hypertension is also high. The obstruction of gastroenteric tract can cause problems from the prenatal phase onwards. The main endocrinological difficulties are dysfunction of the thyroid gland and also infertility. Ocular disorders like refraction disorders occur frequently. Due to decreased conduction, there is a hearing loss. The cellular immunity is clearly reduced, hence, the susceptibility to infections like hepatitis B, increases. The major oral problems are apparently oversized tongue and a high sensitivity to gingivitis.
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