Abstract

The objective of this review was to map the available global evidence on strategies that nurses can use to facilitate genomics-informed health care to address health disparities to inform the development of a research and action agenda. The integration of genomics into health care is improving patient outcomes through better prevention, diagnostics, and treatment; however, scholars have noted concerns with widening health disparities. Nurses work across the health system and can address health disparities from a clinical, research, education, policy, and leadership perspective. To do this, a comprehensive understanding of existing genomics-informed strategies is required. Published (qualitative, quantitative, mixed methods studies, systematic and literature reviews and text and opinion papers) and unpublished (gray) literature that focuses on genomics-informed nursing strategies to address health disparities over the last 10 years were included. No limitations were placed on language. The review was conducted in accordance with the JBI methodology for scoping reviews. A search was undertaken on May 25, 2023, across 5 databases: MEDLINE (Ovid), Embase, Cochrane Library (Ovid), APA PsycINFO (EBSCOhost), and CINAHL (EBSCOhost). Gray literature was searched through websites, including the International Society of Nurses in Genetics and the Global Genomics Nursing Alliance. Abstracts, titles, and full texts were screened by 2 or more independent reviewers. Data were extracted using a data extraction tool. The coded data were analyzed by 2 or more independent reviewers using conventional content analysis and the summarized results are presented using descriptive statistics and evidence tables. In total, we screened 818 records and 31 were included in the review. The majority of papers were published in either 2019 (n=5, 16%), 2020 (n=5, 16%), or 2021 (n=5, 16%). Most papers came from the United States (n=25, 81%) followed by the Netherlands (n=3, 10%), United Kingdom (n=1, 3%), Tanzania (n=1, 3%) and written from a global perspective (n=1, 3%). Nearly half the papers discussed cancer-related conditions (n=14, 45%) and most of the others did not specify a disease or condition (n=12, 30%). In terms of population, nurse clinicians were mentioned the most frequently (n=16, 52%) followed by nurse researchers, scholars, or scientists (n=8, 26%). The patient population varied, with African American patients or communities (n=7, 23%) and racial or ethnic minorities (n=6, 19%) discussed most frequently. The majority of equity issues focused on inequitable access to genetic and genomics health services amongst ethnic and racial groups (n=14, 45%), individuals with lower educational attainment or health literacy (n=6, 19%), individuals with lower socioeconomic status (n=3, 10%), migrants (n=3, 10%), individuals with lack of insurance coverage (n=2, 6%), individuals living in rural or remote areas (n=1, 3%) individuals of older age (n=1, 3%). Root causes contributing to health disparity issues varied at the patient, provider, and system levels. Strategies were grouped into 2 categories: those to prepare the nursing workforce and those nurses can implement in practice. We further categorized the strategies by domains of practice, including clinical practice, education, research, policy advocacy, and leadership. Papers that mentioned strategies focused on preparing the nursing workforce were largely related to the education domain (n=16, 52%), while papers that mentioned strategies that nurses can implement were mostly related to clinical practice (n=19, 61%). Nurses in all domains of practice can draw on the identified strategies to address health disparities related to genomics in health care. We found a notable lack of intervention and evaluation studies exploring the impact on health and equity outcomes. Additional research informed by implementation science and that measures health outcomes is needed to identify best practices. A French-language version of the abstract of this review is available as Supplemental Digital Content [ http://links.lww.com/SRX/A65 ].

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