Congenital central hypoventilation syndrome (CCHS): management

Evidence-based neurology checklist on congenital central hypoventilation syndrome (cchs): management: Genetics This is caused by mutations in the PHOX2b gene on chromosome 4p This is usually a polyalanine repeat expansion mutation Non polyalanine repeat mutations (NPARM) have a worse phenotype The…

Genetics

  • This is caused by mutations in the PHOX2b gene on chromosome 4p
  • This is usually a polyalanine repeat expansion mutation
  • Non polyalanine repeat mutations (NPARM) have a worse phenotype
  • The transmission is autosomal dominant

Pathology

Polysomnography: features

Treatment

References

  1. Sandoval RL, Zaconeta CM, Margotto PR, et al. Congenital central hypoventilation syndrome associated with Hirschsprung's Disease: case report and literature review. Rev Paul Pediatr 2016; 34:374-378. 
  2. Schirwani S, Pysden K, Chetcuti P, Blyth M. Carbamazepine improves apneic episodes in congenital central hypoventilation syndrome (CCHS) with a novel PHOX2B exon 1 missense mutation. J Clin Sleep Med 2017; 13:1359-1362. 
  3. Kasi AS, Jurgensen TJ, Yen S, Kun SS, Keens TG, Perez IA. Three-generation family with congenital central hypoventilation syndrome and novel PHOX2BGene non-polyalanine repeat mutation. J Clin Sleep Med 2017; 13:925-927.
  4. Maloney MA, Kun SS, Keens TG, Perez IA. Congenital central hypoventilation syndrome: diagnosis and management. Expert Rev Respir Med 2018; 12:283-292. 
  5. Magalhães J, Madureira N, Medeiros R, et al. Late-onset congenital central hypoventilation syndrome and a rare PHOX2B gene mutation. Sleep Breath 2015; 19:55-60.

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