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Attitudes regarding predictive testing for retinitis pigmentosa.

Eedy Mezer1, Riyana Babul-Hirji, Richard Wise

  • 1Department of Ophthalmology and Vision Sciences, The Hospital for Sick Children, Toronto, Ontario, Canada.

Ophthalmic Genetics
|April 25, 2007
PubMed
Summary

Autosomal dominant retinitis pigmentosa (ADRP) families show positive attitudes towards predictive genetic testing for children. Counseling is recommended to mitigate the psychological and social effects of test results.

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Area of Science:

  • Ophthalmology
  • Genetics
  • Medical Psychology

Background:

  • Autosomal dominant retinitis pigmentosa (ADRP) is an inherited retinal disorder.
  • Predictive genetic testing offers insights into disease risk for family members.

Purpose of the Study:

  • To evaluate the perspectives of individuals affected by ADRP and their families regarding predictive genetic testing.
  • To understand attitudes towards testing presymptomatic children.

Main Methods:

  • A prospective questionnaire-based study was conducted.
  • Participants included 46 adults with ADRP and their family members from confirmed pedigrees.

Main Results:

  • A majority of unaffected siblings (73%) and patients (67%) expressed willingness for prenatal testing.

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  • Patients were more inclined than unaffected siblings to support the availability of treatment before predictive testing.
  • Over half (57%) of participants reported psychoemotional distress recalling their childhood predictive testing experiences.

    • Conclusions:

    • ADRP families generally support predictive genetic testing for presymptomatic children.
    • Counseling is crucial to address the psychological and social impact of test outcomes.