Psychosocial Impact of a Positive Gene Result for Asymptomatic Relatives at Risk of Hypertrophic Cardiomyopathy

This study explored experiences of HCM genetic testing to identify potential benefits and harms. Thirty-two individuals previously offered genetic testing for HCM were recruited. Semi-structured int erviews were conducted face-to-face or by phone, and transcribed audio-recordings were coded using framework analysis. Key themes were as follows: (1) helping the next generation, (2) misunderstanding risk, (3) discrepancy between actual/perceived impact. Participants described multiple psychologica l (shock, worry, uncertainty) and behavioural (career, sport, insurance, family planning) consequences, depending on perceived risk. Most considered only the benefits of genetic testing for children or grandchildren, but there were some cases of significant adverse impact. The interpretation of the HCM genetic test result is variable for silent gene carriers and can lead to psychological and behavioural changes. The impact of a positive gene result may be mitigated by increased clarity of the clinical consequences and efforts to ensure informed decision-making, highlighting even further the im portant role of cardiac genetic counselling.
Source: Journal of Genetic Counseling - Category: Genetics & Stem Cells Source Type: research