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Gastrointestinal manifestations of primary immune deficiencies in children
1a Department of Paediatric Infectious Diseases , St. George's Hospital , London , UK.
Insights
Primary immune deficiencies (PID) in children are rare genetic immune system disorders affecting multiple body systems, including the gut. Early evaluation is crucial for children with atypical gastrointestinal issues to ensure timely treatment and prevent severe outcomes.
Area of Science:
- Pediatric Immunology
- Gastroenterology
- Genetics
Background:
- Primary immune deficiencies (PID) are rare genetic disorders impacting the immune system.
- These conditions can affect any organ system, notably the gastrointestinal (GI) tract.
- Severe PID can cause life-threatening infections in infancy, while milder forms present with subtle symptoms later.
Purpose of the Study:
- To review the gastrointestinal manifestations of primary immune deficiencies in children.
- To highlight the importance of considering PID in pediatric patients with refractory or atypical GI symptoms.
Main Methods:
- Literature review of studies on pediatric primary immune deficiencies.
- Analysis of reported gastrointestinal symptoms and outcomes in affected children.
Main Results:
- PID can present with a wide spectrum of GI symptoms, often mimicking common pediatric GI diseases.
- Failure to respond to standard therapies for GI conditions warrants investigation for underlying immune dysfunction.
- Early diagnosis and treatment of PID are critical for managing GI complications and improving patient prognosis.
Conclusions:
- Gastrointestinal symptoms are a significant, often overlooked, feature of primary immune deficiencies in children.
- Pediatricians and gastroenterologists should maintain a high index of suspicion for PID in children with unexplained or persistent GI issues.
- Prompt diagnosis and management of PID can significantly reduce morbidity and mortality associated with its gastrointestinal manifestations.
Abstract:
Primary immune deficiencies (PID) in children are a rare but serious group of genetic disorders of the immune system which apart from the host's defenses, can also affect every system of the human body, including the gastrointestinal tract. In their severe form they can lead to increased susceptibility to serious infections during infancy and even death. In the less severe form, they can present later in childhood or adolescence with subtle signs and symptoms. As PID can often mimic gastrointestinal diseases, children presenting with atypical gastrointestinal disease and/or failure to respond to conventional therapy should be evaluated for an underlying primary immune disorder and initiated appropriate treatment. The current review of the literature will summarize the gastrointestinal manifestations of primary immune deficiencies in children.
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