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[Prader-Willi syndrome: medical, emotional and cognitive facets]

V Gross-Tsur1, Y E Landau

  • 1Neuropediatric Unit, Shaare Zedek Medical Center, Jerusalem.

Harefuah
|July 7, 2000
PubMed

Insights

Prader-Willi syndrome (PWS) is a complex genetic imprinting disorder affecting multiple systems. This study details the medical, cognitive, and behavioral aspects of 34 PWS patients, highlighting common challenges like obesity and developmental delays.

Area of Science:

  • Genetics
  • Pediatrics
  • Endocrinology

Background:

  • Prader-Willi syndrome (PWS) is a rare genetic imprinting disorder originating from chromosome 15 abnormalities.
  • Characterized by hypotonia, hyperphagia, obesity, short stature, hypogonadism, and developmental delays.

Observation:

  • A multidisciplinary clinic evaluated 34 patients (20 males, ages 5 months to 40 years).
  • Key observations include early-onset excessive weight gain (age 6), delayed short stature (post-age 12), and hypogonadism in males.
  • Prevalence of orthopedic issues (scoliosis), sleep-disordered breathing, and neurocognitive deficits (borderline to mild/moderate intellectual disability) were noted.

Findings:

  • Excessive weight gain reached 170-370% of predicted values.
  • Neuropsychological assessments revealed intellectual disability in a significant portion of patients over 8 years old.
  • Behavioral issues, including ADHD (diagnosed in 10/18), are prevalent and intensify during adolescence.

Implications:

  • Highlights the critical need for multidisciplinary management of PWS.
  • Emphasizes the long-term medical and developmental challenges faced by individuals with PWS.
  • Informs clinical practice and research directions for improving outcomes in PWS patients.

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