4.7 Article

Family Communication about Diagnostic Genetic Testing for Younger-Onset Dementia

期刊

JOURNAL OF PERSONALIZED MEDICINE
卷 13, 期 4, 页码 -

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MDPI
DOI: 10.3390/jpm13040621

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dementia; younger onset; communication; genetic counselling; lived experience; genetic testing

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Younger-onset dementia (YOD) refers to the onset of dementia before the age of 65 and may have genetic causes. This study aimed to investigate how individuals experience family communication about potential genetic risk and testing for YOD. The findings highlight the importance of addressing pre-existing family dynamics, individual coping mechanisms, and promoting autonomy in risk communication for YOD.
Younger-onset dementia (YOD) refers to onset before 65 years of age and may be associated with a genetic cause. Family communication surrounding any genetic risk is complex, and this process may be further complicated in a YOD context due to its effects on cognition, behaviour, and associated psychosocial consequences. This study aimed to investigate how individuals experience family communication about potential genetic risk and testing for YOD. Thematic analysis was performed on verbatim transcripts of nine semi-structured interviews undertaken with family members who attended a neurogenetics clinic due to a relative diagnosed with YOD. The interviews explored the participants' experiences of learning that YOD might be inherited and the ensuing family communication about genetic testing. Four key themes emerged: (1) a clinical diagnostic odyssey was common and could be a motivator for genomic testing, (2) pre-existing family tension and/or disconnection was a common barrier, (3) family members' autonomy was considered, and (4) avoidant coping strategies influenced communication. Communication regarding potential YOD genetic risk is a complicated process and may be influenced by pre-existing family dynamics, individual coping mechanisms, and a desire to promote autonomy in relatives. To promote effective risk communication, genetic counsellors should pre-emptively address family tensions that may be exacerbated in the context of genetic testing for YOD, with awareness that family strain during a preceding period of diagnostic odyssey is common. Genetic counsellors can offer psychosocial support to facilitate coping with this tension in an adaptive way. The findings also indicated the importance of extending genetic counselling support to relatives.

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