Narcolepsy, Precocious Puberty and Obesity in the Pediatric Population: a Literature Review
Ana Clara Maia Palhano1, Lenise Jihe Kim2, Gustavo A Moreira2
1Faculdade de Medicina de Marília, Marília, São Paulo, Brazil.
Insights
Narcolepsy in children is linked to endocrine issues like obesity and precocious puberty. Further research is needed to understand these complex associations and improve diagnosis.
Area of Science:
- Pediatric Endocrinology
- Sleep Medicine
- Neurology
Background:
- Narcolepsy is a sleep disorder with childhood onset.
- Associations between narcolepsy and endocrine diseases (obesity, precocious puberty) are noted in children.
- High incidence of overweight/obesity (25-74%) and precocious puberty (17%) in pediatric narcolepsy cases.
Purpose of the Study:
- To review narcolepsy in pediatric populations.
- To highlight diagnostic challenges in pediatric narcolepsy.
- To explore mechanisms linking narcolepsy with precocious puberty and obesity.
Main Methods:
- Literature review of studies on narcolepsy in children.
- Analysis of reported associations with endocrine disorders.
- Discussion of potential pathomechanisms.
Main Results:
- Narcolepsy frequently co-occurs with obesity and precocious puberty in children.
- Mechanisms underlying these associations remain unclear.
- Diagnostic difficulties in pediatric narcolepsy are significant.
Conclusions:
- Endocrine evaluation is crucial for children diagnosed with narcolepsy.
- Understanding the link between narcolepsy and endocrine diseases is vital for comprehensive care.
- Further research is required to elucidate the complex relationship.
Abstract:
Narcolepsy is a sleep disorder characterized by excessive daytime sleepiness, cataplexy, sleep paralysis and hypnagogic and hypnopompic hallucinations. The onset of the symptoms usually occurs in childhood, and previous studies have reported an association between narcolepsy and other endocrine diseases in the pediatric population, such as obesity and precocious puberty. The incidence of overweight or obesity ranges from 25% to 74% in patients with narcolepsy type I, while precocious puberty is present in 17% of children with narcolepsy with cataplexy. However, the mechanisms involved in the association of narcolepsy with obesity and precocious puberty have not been fully elucidated yet. In this review, we aimed to discuss narcolepsy in pediatric populations, highlighting the diagnostic difficulties and the complexity of the possible mechanisms that can relate narcolepsy to precocious puberty and obesity. We also emphasized the fact that endocrine diseases must be taken into consideration in children diagnosed with narcolepsy.
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