Wakefield Claire E, Ratnayake Paboda, Meiser Bettina, Suthers Graeme, Price Melanie A, Duffy Jessica, Tucker Kathy
School of Women's and Children's Health, University of New South Wales, Sydney, Australia.
Genet Test Mol Biomarkers. 2011 Jun;15(6):379-85. doi: 10.1089/gtmb.2010.0158. Epub 2011 Jan 23.
Despite proven benefits, the uptake of genetic counseling and testing by at-risk family members of BRCA1 and BRCA2 mutation carriers remains low.
This study aimed to examine at-risk individuals' reported reasons for and against familial cancer clinic (FCC) attendance and genetic testing.
Thirty-nine telephone interviews were conducted with relatives of high-risk mutation carriers, 23% (n = 9) of whom had not previously attended an FCC. Interview responses were analyzed using the frameworks of Miles and Huberman.
The reasons most commonly reported for FCC attendance were for clarification of risk status and to gain access to testing. While disinterest in testing was one reason for FCC nonattendance, several individuals were unaware of their risk (n = 3) or their eligibility to attend an FCC (n = 2), despite being notified of their risk status through their participation in a large-scale research project. Individuals' reasons for undergoing testing were in line with that reported elsewhere; however, concerns about discrimination and insurance were not reported in nontestees.
Current guidelines regarding notifying individuals discovered to be at increased risk in a research, rather than clinical setting, take a largely nondirective approach. However, this study demonstrates that individuals who receive a single letter notifying them of their risk may not understand/value the information they receive.
尽管已证实有诸多益处,但携带BRCA1和BRCA2基因突变者的高危家庭成员接受遗传咨询和检测的比例仍然很低。
本研究旨在调查高危个体报告的支持和反对前往家族癌症诊所(FCC)就诊及进行基因检测的原因。
对高危突变携带者的亲属进行了39次电话访谈,其中23%(n = 9)的人此前未去过FCC。使用迈尔斯和休伯曼的框架对访谈回复进行了分析。
报告的前往FCC就诊的最常见原因是为了明确风险状况并获得检测机会。虽然对检测不感兴趣是未前往FCC的一个原因,但有几个人尽管通过参与一个大型研究项目得知了自己的风险状况,却仍不知道自己的风险(n = 3)或无资格前往FCC(n = 2)。接受检测者进行检测的原因与其他地方报告的一致;然而,未接受检测者未报告对歧视和保险的担忧。
目前关于在研究而非临床环境中通知被发现风险增加的个体的指南,在很大程度上采取了非指导性方法。然而,本研究表明,收到一封告知其风险的信件的个体可能并不理解/重视他们收到的信息。