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Immune deficiencies in children: an overview
S Jyothi1, S Lissauer, S Welch
1Department of Emergency Medicine, Birmingham Childrens Hospital NHS Foundation Trust, Birmingham, UK. jyothiee@hotmail.com
Insights
Primary immune deficiencies (PIDs) increase susceptibility to infections, autoimmunity, and malignancy. Prompt diagnosis in children is crucial, and this guide offers a framework for investigation.
Area of Science:
- Immunology
- Pediatrics
- Clinical Medicine
Background:
- Primary immune deficiencies (PIDs) are a group of genetic disorders affecting the human immune system.
- PIDs lead to increased susceptibility to infections, autoimmunity, and malignancy.
- Diagnosing PIDs in children presents challenges due to diverse presentations from birth to adolescence.
Observation:
- Pediatricians face difficulties in identifying children who require investigation for PIDs.
- Timely diagnosis, particularly for severe PID forms, is essential to prevent severe morbidity and mortality.
- Recognizing specific signs and symptoms in children is key to suspecting PID.
Findings:
- This work provides a foundational understanding of the human immune system relevant to PIDs.
- It outlines clinical presentations that should prompt pediatricians to consider PID.
- A structured, stepwise framework for investigating PIDs in children is proposed.
Implications:
- Improved diagnostic strategies for PIDs can lead to earlier intervention.
- Implementing the proposed framework may reduce diagnostic delays and improve patient outcomes.
- Enhanced understanding and investigation protocols can mitigate the severe consequences of undiagnosed PIDs.
Abstract:
Primary immune deficiencies (PIDs) are disorders of the immune system that result in increased susceptibility to infectious disease, autoimmunity and malignancy. They are challenging to paediatricians as they can present anytime from birth to adolescence with a wide variety of signs and symptoms. It is important to diagnose PIDs promptly, especially more severe forms to prevent significant morbidity and mortality. However, significant challenges exist in deciding which children to investigate and when. We aim to give a basic understanding of the human immune system, the different presentations in a child that should alert a paediatrician about the possibility of PID and the possible underlying diagnosis. Additionally, we have developed a framework for a stepwise approach to investigating these children.
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