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Clinical Trial
. 2018 Jul 12;13(7):e0200559.
doi: 10.1371/journal.pone.0200559. eCollection 2018.

Improving comprehension of genetic counseling for hereditary breast and ovarian cancer clients with a visual tool

Muy-Kheng M Tea  1 , Yen Y Tan  1 , Christine Staudigl  1   2 , Birgit Eibl  1 , Romana Renz  1 , Ella Asseryanis  1 , Andreas Berger  1 , Georg Pfeiler  1 , Christian F Singer  1
Affiliations
Clinical Trial

Improving comprehension of genetic counseling for hereditary breast and ovarian cancer clients with a visual tool

Muy-Kheng M Tea et al. PLoS One. .

Abstract

Objective: Genetic counseling and testing can be offered to individuals who are at high risk of carrying a breast cancer (BRCA) gene mutation. However, the content of genetic counseling could be difficult to understand due to complex medical information. The aim of this study was to investigate if comprehension can be improved with a new genetic counseling tool (NGCT hereafter; a tool that combines complex medical information with pictures, diagrams and tables) as compared to conventional oral-only genetic counseling (CGC).

Methods: 207 clients attended genetic counseling for hereditary breast and ovarian cancer at the Medical University of Vienna between February 2015 and February 2016. Seventy clients participated in this study and were allocated into two groups: the first 36 participants received conventional (oral only) genetic counseling (CGC) and the following 34 participants received genetic counseling using a new genetic counseling tool (NGCT), which combines complex information with pictures, diagrams and tables. After genetic counseling, all consenting participants were invited to complete a questionnaire with seven questions evaluating their comprehension of the medical information provided.

Results: Socio-demographic backgrounds were comparable in both groups. Correct responses were significantly higher in the NGCT group compared to the CGC group (p = 0.012). NGCT also statistically improves correct response of Q1 (p = 0.03) and Q7 (p = 0.004).

Conclusion: The NGCT leads to an overall better understanding of the content of a genetic counseling session than CGC alone.

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Conflict of interest statement

The authors have declared that no competing interests exist.

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