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Current Insights Into Adrenal Insufficiency in the Newborn and Young Infant
Federica Buonocore1, Sinead M McGlacken-Byrne1, Ignacio Del Valle1
1Genetics & Genomic Medicine Research and Teaching Department, UCL Great Ormond Street Institute of Child Health, London, United Kingdom.
Insights
Adrenal insufficiency (AI) in children is a serious condition that requires early diagnosis. This overview focuses on genetic causes presenting in early infancy, crucial for management and family counseling.
Area of Science:
- Pediatric Endocrinology
- Genetics
- Metabolic Disorders
Background:
- Adrenal insufficiency (AI) is a critical, often underdiagnosed, pediatric condition.
- Early signs include glucocorticoid, mineralocorticoid, or adrenal androgen deficiencies.
- Associated features may indicate specific underlying genetic causes.
Purpose of the Study:
- To provide an overview of childhood AI causes.
- To emphasize genetic conditions presenting in early infancy.
- To highlight the importance of diagnosis for management and genetic counseling.
Main Methods:
- Literature review of childhood adrenal insufficiency.
- Focus on genetic etiologies presenting within the first few months of life.
- Synthesis of clinical presentations and diagnostic implications.
Main Results:
- AI presents with diverse symptoms like hyperpigmentation, hypoglycemia, hypotension, and atypical genitalia.
- Genetic conditions are a significant cause of AI in early infancy.
- Timely diagnosis is essential for appropriate patient management.
Conclusions:
- Accurate diagnosis of childhood AI, particularly genetic forms, is vital.
- Diagnosis impacts lifelong management strategies for affected children.
- Genetic counseling is crucial for families regarding inheritance and recurrence risks.
Abstract:
Adrenal insufficiency (AI) is a potentially life-threatening condition that can be difficult to diagnose, especially if it is not considered as a potential cause of a child's clinical presentation or unexpected deterioration. Children who present with AI in early life can have signs of glucocorticoid deficiency (hyperpigmentation, hypoglycemia, prolonged jaundice, poor weight gain), mineralocorticoid deficiency (hypotension, salt loss, collapse), adrenal androgen excess (atypical genitalia), or associated features linked to a specific underlying condition. Here, we provide an overview of causes of childhood AI, with a focus on genetic conditions that present in the first few months of life. Reaching a specific diagnosis can have lifelong implications for focusing management in an individual, and for counseling the family about inheritance and the risk of recurrence.
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