Barriers and Facilitators to Genetic Testing for Familial Hypercholesterolemia in the United States: A Review

Familial Hypercholesterolemia (FH) is an underdiagnosed condition in the United States (US) and globally, affecting an estimated 1/250 individuals. It is a genetic risk factor for premature cardiovascular disease and is responsible for an estimated 600,000 to 1.2 million preventable vascular events....

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Main Authors: Rachele M. Hendricks-Sturrup, Kathleen M. Mazor, Amy C. Sturm, Christine Y. Lu
Format: Article
Language:English
Published: MDPI AG 2019-07-01
Series:Journal of Personalized Medicine
Subjects:
Online Access:https://www.mdpi.com/2075-4426/9/3/32
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author Rachele M. Hendricks-Sturrup
Kathleen M. Mazor
Amy C. Sturm
Christine Y. Lu
author_facet Rachele M. Hendricks-Sturrup
Kathleen M. Mazor
Amy C. Sturm
Christine Y. Lu
author_sort Rachele M. Hendricks-Sturrup
collection DOAJ
description Familial Hypercholesterolemia (FH) is an underdiagnosed condition in the United States (US) and globally, affecting an estimated 1/250 individuals. It is a genetic risk factor for premature cardiovascular disease and is responsible for an estimated 600,000 to 1.2 million preventable vascular events. Studies show that FH genetic testing can identify a causal gene variant in 60 to 80% of clinically suspected FH cases. However, FH genetic testing is currently underutilized in clinical settings in the US despite clinical recommendations and evidence supporting its use. Reasons for underutilization are not well understood. We conducted a literature review in the PubMed/MEDLINE database and eight peer-reviewed journals. After filtering for and reviewing 2340 articles against our inclusion criteria, we included nine commentaries or expert opinions and eight empirical studies reported between January 2014 and March 2019 in our review. After applying the Consolidated Framework for Implementation Research (CFIR), we identified a total of 26 potential barriers and 15 potential facilitators (estimated barrier to facilitator ratio of 1.73). We further estimated ratios of potential barriers to facilitators for each CFIR domain (Characteristics of Intervention, Outer Setting, Inner Setting, Characteristics of Individuals, and Process). Findings derived from our systematic approach to the literature and calculations of estimated baseline ratios of barriers and facilitators can guide future research to understand FH genetic testing implementation in diverse clinical settings. Our systematic approach to the CFIR could also be used as a model to understand or compare barriers and facilitators to other evidence-based genetic testing processes in health care settings in the US and abroad.
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spelling doaj.art-188768f7b0ce4d02af15c7bf156ee99d2023-02-02T10:44:08ZengMDPI AGJournal of Personalized Medicine2075-44262019-07-01933210.3390/jpm9030032jpm9030032Barriers and Facilitators to Genetic Testing for Familial Hypercholesterolemia in the United States: A ReviewRachele M. Hendricks-Sturrup0Kathleen M. Mazor1Amy C. Sturm2Christine Y. Lu3Department of Population Medicine, Harvard Pilgrim Health Care Institute and Harvard Medical School, Boston, MA 02215 USAMeyers Primary Care Institute, Worcester, MA 01605, USAGenomic Medicine Institute, Geisinger, Danville, PA 17822, USADepartment of Population Medicine, Harvard Pilgrim Health Care Institute and Harvard Medical School, Boston, MA 02215 USAFamilial Hypercholesterolemia (FH) is an underdiagnosed condition in the United States (US) and globally, affecting an estimated 1/250 individuals. It is a genetic risk factor for premature cardiovascular disease and is responsible for an estimated 600,000 to 1.2 million preventable vascular events. Studies show that FH genetic testing can identify a causal gene variant in 60 to 80% of clinically suspected FH cases. However, FH genetic testing is currently underutilized in clinical settings in the US despite clinical recommendations and evidence supporting its use. Reasons for underutilization are not well understood. We conducted a literature review in the PubMed/MEDLINE database and eight peer-reviewed journals. After filtering for and reviewing 2340 articles against our inclusion criteria, we included nine commentaries or expert opinions and eight empirical studies reported between January 2014 and March 2019 in our review. After applying the Consolidated Framework for Implementation Research (CFIR), we identified a total of 26 potential barriers and 15 potential facilitators (estimated barrier to facilitator ratio of 1.73). We further estimated ratios of potential barriers to facilitators for each CFIR domain (Characteristics of Intervention, Outer Setting, Inner Setting, Characteristics of Individuals, and Process). Findings derived from our systematic approach to the literature and calculations of estimated baseline ratios of barriers and facilitators can guide future research to understand FH genetic testing implementation in diverse clinical settings. Our systematic approach to the CFIR could also be used as a model to understand or compare barriers and facilitators to other evidence-based genetic testing processes in health care settings in the US and abroad.https://www.mdpi.com/2075-4426/9/3/32familial hypercholesterolemiagenetic testingimplementation frameworkbarriers and facilitatorsgenomic medicine
spellingShingle Rachele M. Hendricks-Sturrup
Kathleen M. Mazor
Amy C. Sturm
Christine Y. Lu
Barriers and Facilitators to Genetic Testing for Familial Hypercholesterolemia in the United States: A Review
Journal of Personalized Medicine
familial hypercholesterolemia
genetic testing
implementation framework
barriers and facilitators
genomic medicine
title Barriers and Facilitators to Genetic Testing for Familial Hypercholesterolemia in the United States: A Review
title_full Barriers and Facilitators to Genetic Testing for Familial Hypercholesterolemia in the United States: A Review
title_fullStr Barriers and Facilitators to Genetic Testing for Familial Hypercholesterolemia in the United States: A Review
title_full_unstemmed Barriers and Facilitators to Genetic Testing for Familial Hypercholesterolemia in the United States: A Review
title_short Barriers and Facilitators to Genetic Testing for Familial Hypercholesterolemia in the United States: A Review
title_sort barriers and facilitators to genetic testing for familial hypercholesterolemia in the united states a review
topic familial hypercholesterolemia
genetic testing
implementation framework
barriers and facilitators
genomic medicine
url https://www.mdpi.com/2075-4426/9/3/32
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