Congenital central hypoventilation syndrome with Hirschsprung’s disease, also known as Haddad syndrome, is a rare disorder with a variable phenotypic severity. The underlying cause is thought to be an abnormality of neural crest development and/or migration. Surviving neonates can have generalized autonomic nervous system dysfunction. Recent reports have identified mutations in the PHOX2B gene in a significant number of patients with this disorder. Diagnosis and management of this disorder in the setting of extreme prematurity is difficult as the manifestations of failure to maintain breathing effort and failure to establish feeds overlap with the complications of prematurity. We describe an infant who had congenital central hypoventilation syndrome with Hirschsprung’s disease and was delivered at 26 weeks’ gestational age and had total aganglionosis of the bowel, failure to wean from ventilation, and a mutation in the PHOX2B gene.
Congenital Central Hypoventilation Syndrome and Hirschsprung’s Disease in an Extremely Preterm Infant
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Ramesh Bajaj, Janine Smith, Delphine Trochet, John Pitkin, Robert Ouvrier, Nicole Graf, David Sillence, Martin Kluckow; Congenital Central Hypoventilation Syndrome and Hirschsprung’s Disease in an Extremely Preterm Infant. Pediatrics June 2005; 115 (6): e737–e738. 10.1542/peds.2004-1910
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