Protocol for project IMPACT (improving millions hearts for provider and community transformation): a quasi-experimental evaluation of an integrated electronic health record and community health worker intervention study to improve hypertension management among South Asian patients

Priscilla M Lopez, Jennifer Zanowiak, Keith Goldfeld, Katarzyna Wyka, Ahmad Masoud, Susan Beane, Rashi Kumar, Phoebe Laughlin, Chau Trinh-Shevrin, Lorna Thorpe, Nadia Islam, Priscilla M Lopez, Jennifer Zanowiak, Keith Goldfeld, Katarzyna Wyka, Ahmad Masoud, Susan Beane, Rashi Kumar, Phoebe Laughlin, Chau Trinh-Shevrin, Lorna Thorpe, Nadia Islam

Abstract

Background: The Million Hearts® initiative aims to prevent heart disease and stroke in the United States by mobilizing public and private sectors around a core set of objectives, with particular attention on improving blood pressure control. South Asians in particular have disproportionately high rates of hypertension and face numerous cultural, linguistic, and social barriers to accessing healthcare. Interventions utilizing Health information technology (HIT) and community health worker (CHW)-led patient coaching have each been demonstrated to be effective at advancing Million Hearts® goals, yet few studies have investigated the potential impact of integrating these strategies into a clinical-community linkage initiative. Building upon this initiative, we present the protocol and preliminary results of a research study, Project IMPACT, designed to fill this gap in knowledge.

Methods: Project IMPACT is a stepped wedge quasi-experimental study designed to test the feasibility, adoption, and impact of integrating CHW-led health coaching with electronic health record (EHR)-based interventions to improve hypertension control among South Asian patients in New York City primary care practices. EHR intervention components include the training and implementation of hypertension-specific registry reports, alerts, and order sets. Fidelity to the EHR intervention is assessed by collecting the type, frequency, and utilization of intervention components for each practice. CHW intervention components consist of health coaching sessions on hypertension and related risk factors for uncontrolled hypertensive patients. The outcome, hypertension control (<140 mmHg systolic blood pressure (BP) and <90 mmHg diastolic BP), is collected at the aggregate- and individual-level for all 16 clinical practices enrolled.

Discussion: Project IMPACT builds upon the evidence base of the effectiveness of CHW and Million Hearts® initiatives and proposes a unique integration of provider-based EHR and community-based CHW interventions. The project informs the effectiveness of these interventions in team-based care approaches, thereby, helping to develop relevant sustainability strategies for improving hypertension control among targeted racial/ethnic minority populations at small primary care practices.

Trial registration: This study protocol has been approved and is made available on Clinicaltrials.gov by NCT03159533 as of May 17, 2017.

Keywords: Community health workers (CHWs); Community-clinical linkages; Electronic health record (EHR); Health information technology (HIT); Hypertension; Immigrant health; Million hearts® initiative; South Asians.

Conflict of interest statement

Ethics approval and consent to participate

Both the EHR and CHW components of this project were submitted to the Institutional Review Boards (IRBs) of the NYU School of Medicine and CUNY Graduate School of Public Health and Health Policy. NYU’s IRB deemed both components of the project as non-human subjects research, and waived the need for IRB approval. CUNY’s IRB approved both components of the project.

Consent for publication

Not applicable.

Competing interests

The authors declare that they have no competing interests.

Publisher’s Note

Springer Nature remains neutral with regard to jurisdictional claims in published maps and institutional affiliations.

Figures

Fig. 1
Fig. 1
Modified Stepped Wedge Design for Project IMPACT. Key: = Baseline Period (6-month intervals), = Adoption of EHR Intervention, = Adoption of CHW Intervention, = Follow-up Data (6-month intervals)

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