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Prader-Willi Syndrome(Prader-Labhart-Willi Syndrome)
by
Cynthia M. Johnson, MA DefinitionPrader-Willi syndrome (PWS) is group of symptoms caused by a rare genetic problem. It can cause a variety of problems with growth and development. CausesPWS is caused by a random genetic defect. The defect is most often caused by a gene from the father.
Risk FactorsThere are no known risk factors. About 1% may have a family history. SymptomsSome physical features in people with PWS are:
Other symptoms of PWS can change as the child ages. Infants may have:
Toddlers may have:
Older children may have:
DiagnosisThe doctor will ask about your child's symptoms and health history. This may be enough to suspect PWS. A genetic test can help to confirm the diagnosis. This test is done with a sample of blood. TreatmentThere is no cure. Lifetime treatment will be needed to manage symptoms. Some methods are:
PreventionThere are no known guidelines to prevent PWS. RESOURCES:March of Dimes http://www.modimes.org Prader-Willi Syndrome Association http://www.pwsausa.org CANADIAN RESOURCES:About Kids Health—The Hospital for Sick Children http://www.aboutkidshealth.ca Foundation for Prader-Willi Research http://fpwr.org References:About Prader-Willi syndrome. Foundation for Prader-Willi Research website. Available at: ...(Click grey area to select URL) Accessed November 25, 2020. Driscoll DJ, Miller JL, et al. Prader-Willi Syndrome. GeneReviews 2016 Feb 4.
Prader-Willi syndrome. EBSCO DynaMed Plus website. Available at:
https://www.dynamed.com/condition/prader-willi-syndrome-27. Accessed November 25, 2020.
Last reviewed September 2020 by
EBSCO Medical Review Board
Marcin Chwistek, MD Last Updated: 4/23/2021 | |