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Congenital Central Hypoventilation Syndrome: A Comprehensive Review and Future Challenges

Congenital central hypoventilation syndrome is a disorder predisposed by a paired-like homebox PHOX2B gene. A mutation in the PHOX2B gene is a requisite when diagnosing congenital central hypoventilation syndrome. This mutation is identified in 93–100% of diagnosed patients. The mutation regarding t...

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Bibliographic Details
Published in:Journal of Respiratory Medicine 2014-02, Vol.2014, p.1-8
Main Authors: Ljubič, Karin, Fister, Iztok
Format: Article
Language:English
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Summary:Congenital central hypoventilation syndrome is a disorder predisposed by a paired-like homebox PHOX2B gene. A mutation in the PHOX2B gene is a requisite when diagnosing congenital central hypoventilation syndrome. This mutation is identified in 93–100% of diagnosed patients. The mutation regarding this disorder affects the sensors, the central controller, and the integration of the signals within the central nervous system. This, inter alia, leads to insufficient ventilation and a decrease in PaO2, as well as an increase in PaCO2. Affected children are at risk during and after the neonatal period. They suffer from hypoventilation periods which may be present whilst sleeping only or in more severe cases when both asleep and awake. It is important for clinicians to perform an early diagnosis of congenital central hypoventilation in order to prevent the deleterious effects of hypoxaemia, hypercapnia, and acidosis on the neurocognitive and cardiovascular functions. Patients need long-term management and appropriate ventilatory support for improving the qualities of their lives. This paper provides a detailed review of congenital central hypoventilation syndrome, a congenital disorder that is genetic in origin. We describe the genetic basis, the wider clinical picture, and those challenges during the diagnosis and management of patients with this condition.
ISSN:2356-7619
2314-6958
DOI:10.1155/2014/856149