Digital Health Interventions for Hypertension Management in US Populations Experiencing Health Disparities

Author:

Katz Miriam E.1,Mszar Reed2,Grimshaw Alyssa A.3,Gunderson Craig G.45,Onuma Oyere K.6,Lu Yuan78,Spatz Erica S.478

Affiliation:

1. New York Medical College School of Medicine, Valhalla

2. Department of Chronic Disease Epidemiology, Yale School of Public Health, New Haven, Connecticut

3. Harvey Cushing/John Hay Whitney Medical Library, Yale University, New Haven, Connecticut

4. Department of Medicine, Yale School of Medicine, New Haven, Connecticut

5. VA Connecticut Healthcare System, West Haven

6. Division of Cardiology, Massachusetts General Hospital, Boston

7. Section of Cardiovascular Medicine, Yale School of Medicine, New Haven, Connecticut

8. Yale Center for Outcomes Research and Evaluation, Yale New Haven Health, New Haven, Connecticut

Abstract

ImportanceHypertension remains a leading factor associated with cardiovascular disease, and demographic and socioeconomic disparities in blood pressure (BP) control persist. While advances in digital health technologies have increased individuals’ access to care for hypertension, few studies have analyzed the use of digital health interventions in vulnerable populations.ObjectiveTo assess the association between digital health interventions and changes in BP and to characterize tailored strategies for populations experiencing health disparities.Data SourcesIn this systematic review and meta-analysis, a systematic search identified studies evaluating digital health interventions for BP management in the Cochrane Library, Ovid Embase, Google Scholar, Ovid MEDLINE, PubMed, Scopus, and Web of Science databases from inception until October 30, 2023.Study SelectionIncluded studies were randomized clinical trials or cohort studies that investigated digital health interventions for managing hypertension in adults; presented change in systolic BP (SBP) or baseline and follow-up SBP levels; and emphasized social determinants of health and/or health disparities, including a focus on marginalized populations that have historically been underserved or digital health interventions that were culturally or linguistically tailored to a population with health disparities. The study followed the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guideline.Data Extraction and SynthesisTwo reviewers extracted and verified data. Mean differences in BP between treatment and control groups were analyzed using a random-effects model.Main Outcomes and MeasuresPrimary outcomes included mean differences (95% CIs) in SBP and diastolic BP (DBP) from baseline to 6 and 12 months of follow-up between digital health intervention and control groups. Shorter- and longer-term follow-up durations were also assessed, and sensitivity analyses accounted for baseline BP levels.ResultsA total of 28 studies (representing 8257 participants) were included (overall mean participant age, 57.4 years [range, 46-71 years]; 4962 [60.1%], female). Most studies examined multicomponent digital health interventions incorporating remote BP monitoring (18 [64.3%]), community health workers or skilled nurses (13 [46.4%]), and/or cultural tailoring (21 [75.0%]). Sociodemographic characteristics were similar between intervention and control groups. Between the intervention and control groups, there were statistically significant mean differences in SBP at 6 months (−4.24 mm Hg; 95% CI, −7.33 to −1.14 mm Hg; P = .01) and SBP changes at 12 months (−4.30 mm Hg; 95% CI, −8.38 to −0.23 mm Hg; P = .04). Few studies (4 [14.3%]) reported BP changes and hypertension control beyond 1 year.Conclusions and RelevanceIn this systematic review and meta-analysis of digital health interventions for hypertension management in populations experiencing health disparities, BP reductions were greater in the intervention groups compared with the standard care groups. The findings suggest that tailored initiatives that leverage digital health may have the potential to advance equity in hypertension outcomes.

Publisher

American Medical Association (AMA)

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