Table 6.

Recommended Surveillance for Individuals with Schaaf-Yang Syndrome

System/ConcernEvaluationFrequency
Growth/Feeding
  • Measurement of growth parameters
  • Eval of nutritional status & safety of oral intake
At each visit
Gastrointestinal Monitor for constipation.
Respiratory Monitor for signs & symptoms of sleep apnea, aspiration, & respiratory insufficiency.
PolysomnographyAnnually for those on long-term GH therapy 1 or per sleep specialist
Musculoskeletal
  • Monitor for scoliosis & for progression of contractures.
  • OT/PT assessment of mobility & self-help skills
At each visit
DXA scanEvery 2 yrs starting at age 5 yrs, transitioning to every 3-5 yrs in adulthood
Development Monitor developmental progress & educational needs.At each visit
Psychiatric/
Behavioral
Behavioral assessment for signs of ASD, anxiety, attention, & aggressive or self-injurious behaviorAnnually
Neurologic
  • Monitor those w/seizures as clinically indicated.
  • Assess for new manifestations incl seizures & changes in tone.
At each visit
Eyes Assessment by ophthalmologistPer ophthalmologist
Endocrine Assessment for signs & symptoms of puberty & appropriate pubertal development from ages 10-17 yrsAt each visit
Miscellaneous/
Other
Assess family need for social work support (e.g., palliative/respite care, home nursing, other local resources) & care coordination.

ASD = autism spectrum disorder; DXA = dual-energy x-ray absorptiometry; GH = growth hormone; OT = occupational therapy; PT = physical therapy

1.

From: Schaaf-Yang Syndrome

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