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Traumatic brain injury induced hypothalamic-pituitary dysfunction: a paediatric perspective
Carlo L Acerini1, Robert C Tasker
1Department of Paediatrics, University of Cambridge, Addenbrooke's Hospital, Level 8/Box 116, Cambridge CB2 2QQ, UK. cla22@cam.ac.uk
Insights
Traumatic brain injury (TBI) can cause long-term pituitary hormone problems in children. Early detection and multidisciplinary care are crucial for managing these endocrine complications and supporting development.
Area of Science:
- Pediatric Endocrinology
- Neuroendocrinology
- Traumatic Brain Injury Research
Background:
- Anterior pituitary hormone dysfunction is a significant cause of long-term morbidity in traumatic brain injury (TBI) survivors.
- While recognized in adults, pituitary dysfunction post-TBI in children and adolescents is less understood.
- Hypothalamic-pituitary structures are vulnerable to head injury, potentially leading to delayed endocrine complications.
Purpose of the Study:
- To review existing pediatric data on hypopituitarism following TBI.
- To highlight the common endocrine abnormalities and potential complications in pediatric TBI survivors.
- To emphasize the need for prospective studies on the incidence, natural history, and treatment of pediatric hypopituitarism post-TBI.
Main Methods:
- Review of published pediatric literature on endocrine outcomes after TBI.
- Analysis of reported cases of pituitary dysfunction in children and adolescents following mild to severe TBI.
- Identification of common hormone deficiencies and pubertal disturbances.
Main Results:
- Hypopituitarism is a recognized complication of TBI in children, occurring after both mild and severe injuries.
- Growth hormone deficiency and gonadotropin deficiency are the most frequent abnormalities.
- Central precocious puberty has also been observed in pediatric TBI survivors.
Conclusions:
- Early detection of pituitary hormone abnormalities is vital due to the critical role of these hormones in childhood development.
- Prospective studies are needed to establish the incidence, prevalence, and natural history of hypopituitarism in pediatric TBI survivors.
- A multidisciplinary approach involving endocrine assessment is recommended for the long-term management and rehabilitation of children and adolescents with moderate to severe TBI.
Abstract:
In survivors of traumatic brain injury (TBI), impairment in anterior pituitary hormone function may be an important cause of long-term morbidity. Histopathological evidence from post-mortem studies suggests that the hypothalamic-pituitary structures are vulnerable to damage following head injury. Pituitary dysfunction, present months or years after injury, is now well recognised in adults, however, little evidence is known about this potential complication in children and adolescents. This article reviews the available paediatric data, which shows that hypopituitarism may occur after both mild and severe TBI, with growth hormone and gonadotrophin deficiencies appearing to be most common abnormalities. Central precocious puberty has also been documented. There are, however, few published data within a population of children with TBI on the incidence or prevalence of hypopituitarism, nor on its natural history or response to hormone replacement, and prospective studies are needed. Given the critical role of anterior pituitary hormones in the regulation of growth, pubertal and neurocognitive development in childhood, early detection of hormone abnormalities following TBI is important. We propose that a multidisciplinary approach to follow-up and endocrine assessment is required for the long-term management and rehabilitation of children and adolescents who survive moderate to severe head injury.
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