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How do index patients participating in genetic screening programmes for familial hypercholesterolemia (FH) interpret their DNA results? A UK-based qualitative interview study

Lookup NU author(s): Dr Nina Hallowell

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Abstract

Objective: To explore patients' interpretations of their DNA results for familial hypercholesterolemia (FH). Methods: In-depth interviews were conducted with patients from two lipid clinics in Scotland, who were offered genetic testing as part of a nationwide cascade screening service. Results: Patients were receptive to taking part in genetic screening and most expected a positive result. Receiving a molecular diagnosis of FH could provide reassurance to patients that diet and lifestyle factors were not the primary causes of their condition. Patients who received inconclusive results tended to interpret this as meaning that their high cholesterol was not genetic, which could induce feelings of uncertainty and self-blame. With the exception of newly diagnosed patients, for whom a positive result could provide a useful rationale for initiating statins, most perceived DNA screening to be of little relevance to their own medication use or their own approaches to lifestyle management. Conclusions: Index patients are likely to view DNA screening for FH as non-threatening. Receiving a positive DNA result can be reassuring for patients. Patients may not, however, interpret inconclusive DNA results correctly. Practice implications: Health professionals need to ensure FH index patients are prepared to receive, and fully understand, inconclusive DNA results. (C) 2011 Elsevier Ireland Ltd. All rights reserved.

Publication metadata

Author(s): Jenkins N, Lawton J, Douglas M, Walker S, Finnie R, Porteous M, Hallowell N

Publication type: Article

Publication status: Published

Journal: Patient Education and Counseling

Year: 2013

Volume: 90

Issue: 3

Pages: 372-377

Print publication date: 01/03/2013

ISSN (print): 0738-3991

ISSN (electronic):

Publisher: Elsevier Ireland Ltd

URL: http://dx.doi.org/10.1016/j.pec.2011.09.002

DOI: 10.1016/j.pec.2011.09.002

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