" /> Central hypoventilation syndrome, congenital, 1 - CISMeF





Preferred Label : Central hypoventilation syndrome, congenital, 1;

Symbol : CCHS1;

CISMeF acronym : CCHS; OHD;

Type : Phenotype, molecular basis known;

Alternative titles and symbols : Autonomic control, congenital failure of; Ondine curse, congenital; CCHS;

Included titles and symbols : Ondine-hirschsprung disease; Cchs with hirschsprung disease; Haddad syndrome; OHD;

Description : Idiopathic congenital central hypoventilation syndrome, also known as 'Ondine's curse' (Deonna et al., 1974), is a rare disorder characterized by abnormal control of respiration in the absence of neuromuscular, lung or cardiac disease, or an identifiable brainstem lesion. Patients breathe normally while awake, but hypoventilate with normal respiratory rates and shallow breathing during sleep; more severely affected patients hypoventilate both awake and asleep. These patients typically present in the first hours of life with cyanosis and increased carbon dioxide during sleep. A deficiency in autonomic control of respiration results in inadequate or negligible ventilatory and arousal responses to hypercapnia and hypoxemia (reviewed by Weese-Mayer et al., 1999). Congenital central hypoventilation syndrome has been associated with several disorders classified as neurocristopathies, that is, aberrant phenotypes arising from a defect of migration or differentiation of neural crest cells. These include neuroblastoma (Haddad et al., 1978), ganglioneuroma (Swaminathan et al., 1989), and most frequently Hirschsprung disease (HSCR) which appears in 16% of CCHS patients. The association of CCHS and HSCR is referred to as Haddad syndrome. Congenital central hypoventilation can be a feature of other developmental disorders, such as those caused by mutation in the MECP2 gene (300005).;

Inheritance : Autosomal dominant;

Molecular basis : Caused by mutation in the paired-like homeobox 2B gene (PHOX2B, 603851.0001); Caused by mutation in the Achaete-scute family bHLH transcription factor 1 gene (ASCL1, 100790.0001); Caused by mutation in the RET protooncogene (RET, 164761.0045); Caused by mutation in the glial cell line-derived neurotrophic factor gene (GDNF, 600837.0001); Caused by mutation in the brain-derived neurotrophic factor gene (BDNF, 113505.0001); Caused by mutation in the endothelin 3 (EDN3, 131242.0003);

Neoplasia : Tumors of the sympathetic nervous system (5 to 10%); Neuroblastoma; Ganglioneuroma; Ganglioneuroblastoma;

Laboratory abnormalities : Chronic hypoxemia; Chronic hypercapnia;

Prefixed ID : #209880;

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19/05/2024


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