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  • Title: An exploration of genetic health professionals' experience with direct-to-consumer genetic testing in their clinical practice.
    Author: Brett GR, Metcalfe SA, Amor DJ, Halliday JL.
    Journal: Eur J Hum Genet; 2012 Aug; 20(8):825-30. PubMed ID: 22317975.
    Abstract:
    Direct-to-consumer genetic testing (DTC-GT) allows individuals to obtain genetic tests directly from companies without necessarily involving health professionals. This study explores genetic health professionals' opinions of health-related DTC-GT and the reported frequency of individuals presenting to clinical genetics services after undertaking testing. Genetic counsellors and clinical geneticists, members of the Human Genetics Society of Australasia, completed an online survey in mid 2011. The 130 genetic counsellors (estimated response fraction=43%) and 38 clinical geneticists (estimated response fraction=46%) had mixed opinions regarding DTC-GT, with only 7% confident in accurately interpreting and explaining DTC-GT results. Nineteen respondents (11%) reported one or more client(s) referred to them after undertaking DTC-GT. Descriptions of 25 clients were extracted from responses, and respondents reported that all clients were concerned for the health of either themselves or family members. Most clients presented to genetic clinics specifically as a result of their DTC-GT (96%) and were self or GP referred (92%). Respondents perceived that their clients typically undertook DTC-GT because they wanted to identify monogenic conditions, including carrier testing and/or know their susceptibility or predisposition for complex conditions (88%). The majority of clients needed help interpreting DTC-GT results (80%), however in general were not questioning the validity of their DTC-GT results (92%) nor seeking further genetic testing (84%). Currently, DTC-GT is not a major reason for referral to clinical genetics services in Australia and New Zealand and the majority of genetic health professionals lack confidence in being able to accurately interpret and explain DTC-GT results.
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